Journal articles: 'Dammery'

1

Bachman, Gary, Chris Wilson, and Ted Whitwell. "Tolerance of Containerized Landscape Plants to the Postemergence Herbicides Stinger, Manage and Basagran." Journal of Environmental Horticulture 13, no. 3 (September 1, 1995): 129–32. http://dx.doi.org/10.24266/0738-2898-13.3.129.

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Abstract Stinger (clopyralid), Manage (MON 12051) and Basagran (bentazon) postemergence applications were evaluated for phytotoxicity on five species of landscape plants grown in containers. Stinger (clopyralid) was less injurious than Manage (MON 12051). Crape Myrtle (Lagerstroemia indica L. ‘Carolina Beauty’) was injured from Stinger (clopyralid) application 3 and 6 weeks after treatment (WAT). Manage (MON 12051) caused foliar damage to Crape Myrtle (Lagerstroemia indica L. ‘Carolina Beauty’) (1992), Cotoneaster (Cotoneaster dammeri C.K. Schneid. ‘Coral Beauty’) (1992 and 1993), and Dwarf Japanese Juniper (Juniperus chinensis procumbens Endl. ‘Nana’) (1993) at 3 and 6 WAT. Foliar applications of Basagran (bentazon) injured Crape Myrtle (Lagerstroemia indica L. ‘Carolina Beauty’) in 1992 and Cotoneaster (Cotoneaster dammeri C.K. Schneid. ‘Coral Beauty’) in both years. Manage (MON 12051) reduced the growth of Cotoneaster (Cotoneaster dammeri C.K. Schneid. ‘Coral Beauty’) in both years. Hetzi Blue (Juniperus chinensis L. ‘Hetzi Glauca’) growth index was reduced by Manage (MON 12051) in 1992. Stinger (clopyralid) reduced the growth of Dwarf Japanese Juniper (Juniperus chinensis procumbens Endl. ‘Nana’) at the highest rate in 1992. Parsons (Juniperus chinensis L. ‘Parsoni’) and Blue Pacific (Juniperus conferta Parl. ‘Blue Pacific’) junipers were not affected by these herbicides in this study.

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2

Bosshard, Peter, Jim MacNeill, Bruce Rich, and Sebastian Mallaby. "Dammed Project." Foreign Policy, no. 145 (November 2004): 4. http://dx.doi.org/10.2307/4152930.

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Križanac, I., A. Vukadin, E. Ðermić, and B. Cvjetković. "First Report of Fire Blight Caused by Erwinia amylovora on Cotoneaster dammeri cv. Skogholm in Croatia." Plant Disease 92, no. 10 (October 2008): 1468. http://dx.doi.org/10.1094/pdis-92-10-1468a.

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In July of 2007, fire blight symptoms were observed on Cotoneaster dammeri cv. Skogholm in a nursery near Županja, Vukovarsko-Srijemska County, in eastern Croatia. In this region, the first outbreak of fire blight was noted on apple in 1995 (2). Symptoms on cotoneaster were necrotic shoots and petioles. Immunofluorescence assay (IFA) with polyclonal antibodies (Loewe Biochemica GmbH, Sauerlach, Germany) was performed on extracts from blighted C. dammeri cv. Skogholm shoots and were found to be positive for Erwinia amylovora. Round, mucoid, whitish colonies were isolated from extracts of plant tissues with symptoms of fire blight spread on King's medium B and incubated for 2 days at 28°C. Bacterial ooze and necrosis of the inoculation site were observed on immature pear fruits inoculated with a 106 CFU/ml suspension of the isolate. Bacteria were reisolated and the species identity was confirmed by PCR and primers targeting pEA29 DNA (1). E. amylovora was previously reported only on native Cotoneaster spp. (3). To our knowledge, this is the first report of fire blight on C. dammeri cv. Skogholm from a commercial ornamental nursery in Croatia. References: (1) S. Bereswill et al. Appl. Environ. Microbiol. 58:3522, 1992. (2) B. Cvjetković et al. Glas. zaštite bilja 1:13, 1996. (3) E. Halupecki et al. Eur. J. Plant Pathol. 114:435, 2006.

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Spaggiari, Chiara, Laura Righetti, Costanza Spadini, Giannamaria Annunziato, Aimable Nsanzurwimo, Clotilde Silvia Cabassi, Renato Bruni, and Gabriele Costantino. "Metabolite Profiling and Bioactivities of Leaves, Stems, and Flowers of Rumex usambarensis (Dammer) Dammer, a Traditional African Medicinal Plant." Plants 12, no. 3 (January 20, 2023): 482. http://dx.doi.org/10.3390/plants12030482.

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The comprehensive identification of secondary metabolites represents a fundamental step for the assessment of bioactivities and pharmacological properties of traditional herbal drugs. Rumex usambarensis (Dammer) Dammer has been described as a multipurpose remedy in different African traditional pharmacopoeias, but its phytochemical profile has not been properly investigated. Herein we report a high throughput metabolomic screening, based on ultra-high performance liquid chromatography-travelling wave ion mobility spectrometry quadrupole time-of-flight (UHPLC-TWINS-QTOF), which was performed for the first time on different R. usambarensis plant parts. By applying high-resolution mass spectrometry-based metabolomics and chemometric analysis, a complete discrimination of different aerial parts was obtained, with the annotation of 153 significant metabolites in leaves, stems, and flowers, suggesting an easy authentication and discrimination route. Phytochemical data were correlated to antimicrobial and antioxidant properties. Flavonoids, benzopyranes, chromones, and xanthones derivatives, along with a richer phytocomplex, might be responsible for the stronger bioactivities obtained from flowers.

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Mulyono, Noryawati, and Asaf Kleopas Sugih. "ACTIVE BIOPACKAGING FROM DAMMAR FOR COMMINUTED MEAT PRESERVATION." Jurnal Teknologi dan Industri Pangan 26, no. 1 (June 2015): 26–33. http://dx.doi.org/10.6066/jtip.2015.26.1.26.

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6

Barnett, Anna. "Dammed sea rise." Nature Climate Change 1, no. 804 (March 27, 2008): 39. http://dx.doi.org/10.1038/climate.2008.27.

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7

Baker, Monya. "Development: Dammed dreams." Nature 509, no. 7500 (May 2014): 287. http://dx.doi.org/10.1038/509287a.

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8

Diamond, J. "ECOLOGY: Dammed Experiments!" Science 294, no. 5548 (November 30, 2001): 1847–48. http://dx.doi.org/10.1126/science.1067012.

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9

Bach, Steffen. "Fleisch, Obst und Gemüse aus den Dammer Bergen." agrarzeitung 76, no. 30 (2021): 11. http://dx.doi.org/10.51202/1869-9707-2021-30-011.

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In 25 Jahren ist das Oldenburger Münsterland noch immer eine Hochburg der Schweinehaltung. Die Ställe haben sich genauso stark verändert wie der Kontakt zum Konsumenten und die Strategien zur Vermarktung der Tiere.

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Bhat, K. "Oxygonum sinuatum (Hochst. & Steud. Ex A. Rich.) Dammer (Polygonaceae) – A new record for Karnataka." Indian Journal of Forestry 31, no. 3 (September 1, 2008): 455. http://dx.doi.org/10.54207/bsmps1000-2008-pjw85j.

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Richer-Leclerc, C., J. Côté, J. A. Rioux, and R. Drapeau. "Caractérisation du potentiel de rusticité de sept arbustes ornementaux en fonction de l'intensité des dommages hivernaux." Canadian Journal of Plant Science 76, no. 3 (July 1, 1996): 499–506. http://dx.doi.org/10.4141/cjps96-092.

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The winter-hardiness of seven ornamental shrub species was characterized based on their ability to regenerate and to maintain their ornamental characteristics following winter damage. Lonicera involucrata and Weigela hybrida 'Brystol Ruby' reached full ornamental expression in zone 5b of the Canadian Climatic Classification System, while Cotoneaster dammeri 'Skogholm', Hydrangea arborescens 'Annabelle, Kerria japonica, Rosa multiflora and Weigela florida 'Variegata' required warmer conditions. Rosa multiflora and Lonicera involucrata survived in zone 2a, Weigela hybrida 'Brystol Ruby' in zone 2b and the other species m zones 3 or 4. The partial expression of ornamental characteristics restricted the utilization of Lonicera involucrata to zone 2a, of Hydrangea arborescens 'Annabelle' to zone 2b and of Cotoneaster dammeri 'Skogholm' and Weigela hybrida 'Brystol Ruby' to zone 4. Rosa multiflora Weigela florida 'Variegata' and Kerria japonica both received two classifications based on the expression of different ornamental characteristics. Key words: Winter damage, survival, ornamental shrubs, growth

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12

Focás, Brenda. "Miedo al crimen, prevención del delito y narcotráfico: desafíos para las políticas públicas de seguridad ciudadana en América Latina. Entrevista a Lucía Dammert." URVIO - Revista Latinoamericana de Estudios de Seguridad, no. 22 (May 16, 2018): 102–8. http://dx.doi.org/10.17141/urvio.22.2018.3183.

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En el marco de las I Jornadas Latinoamericanas sobre Criminología y Seguridad Ciudadana, organizadas en Buenos Aires por la Universidad Tres de Febrero, conversamos con la doctora Lucía Dammert, experta en temas de seguridad ciudadana. En la entrevista, la socióloga chilena analiza con agudeza el panorama de América Latina en materia de seguridad, las políticas públicas que se implementaron en los últimos años y las que son urgentes y necesarias para cambiar el actual paradigma de seguridad. Dammert da cuenta de su expertise no solo como académica sino también a partir de su experiencia en la gestión estatal. Su conocimiento evidencia que en materia de seguridad aún queda mucho por hacer en los países de la región, y que los distintos gobiernos no han sabido dar una respuesta coherente frente a un tema que constituye el problema más importante para los ciudadanos latinoamericanos: la inseguridad.

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13

Jamal, Jamal, and B. Siti Aisyah. "Analysis of Physical and Chemical Properties of Dammar Resin as an Alternative Fuel." Journal of Hunan University Natural Sciences 49, no. 4 (April 30, 2022): 50–58. http://dx.doi.org/10.55463/issn.1674-2974.49.4.6.

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Efforts to obtain alternative and renewable energy continue to be carried out sustainably. Various natural materials continue to be studied for their feasibility in using alternative and renewable fuels. One of the natural materials that have the potential as a source of renewable energy is dammar resin (Shorea Javanica k. et v.). Therefore, it is necessary to analyze dammar resin's physical and chemical properties to determine its potential as an alternative fuel. This study evaluates dammar resin's physical and chemical properties as a renewable energy source. In this research, the physical and chemical properties of dammar resin were investigated related to its function as an alternative fuel compared to other alternative fuels. This study also aims to determine the advantages and disadvantages of dammar resin's physical and chemical properties as an alternative fuel. The American Society for Testing and Materials standard (ASTM), International Organization for Standardization (ISO), and the American Oil Chemists Society standard (AOCS) methods have been adopted to analyze the physical and chemical properties of dammar resins. This study's physical and chemical properties were cloud point, pour point, flash point, density, energy content, ash content, sulfur content, iodine value, saponification value, and cetane number. The result indicates that based on the physical and chemical property analysis, dammar resin has potency as a renewable energy source and can be developed as an alternative fuel. Dammar resin has a low flash point, sulfur content, and iodine value but a high saponification value and cetane number; these values have met European requirements. Moreover, the energy content of dammar resin is lower, and the ash content is higher than other biodiesel materials. However, dammar resin still requires advanced processes to be converted as alternative energy because it still has a high density, cloud, and pour point.

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14

Dong, Guanghui, Fanyu Zhang, Minmin Ma, Yuxin Fan, Jiawu Zhang, Zongli Wang, and Fahu Chen. "Ancient landslide-dam events in the Jishi Gorge, upper Yellow River valley, China." Quaternary Research 81, no. 3 (May 2014): 445–51. http://dx.doi.org/10.1016/j.yqres.2013.09.003.

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AbstractSome scholars have argued that the formation and outburst of an ancient dammed lake in the Jishi Gorge at ca. 3700 cal yr BP resulted in the destruction of Lajia, the site of a famous prehistoric disaster in the Guanting Basin, upper Yellow River valley, China. However, the cause of the dammed lake and the exact age of the dam breaching are still debated. We investigated ancient landslides and evidence for the dammed lake in the Jishi Gorge, including dating of soil from the shear zone of an ancient landslide, sediments of the ancient dammed lake, and loess above lacustrine sediments using radiocarbon and optically stimulated luminescence (OSL) dating methods. Six radiocarbon dates and two OSL dates suggested that the ancient landslides and dammed lake events in the Jishi Gorge probably occurred around 8100 cal yr BP, and the ancient dammed lake was breached between 6780 cal yr BP and 5750 cal yr BP. Hence, the outburst of the ancient dammed lake in the Jishi Gorge was unrelated to the ruin of the Lajia site, but likely resulted in flood disasters in the Guanting Basin around 6500 cal yr BP.

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Nur'aini, H. "Conservation of Damar Mata Kucing (Shorea javanica): A Review on the Aspect of Trade System." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 26, no. 3 (December 12, 2020): 316–24. http://dx.doi.org/10.7226/jtfm.26.3.316.

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Damar mata kucing (Shorea javanica) is one of the non-timber forest products (NTFP)s that has been widely managed and utilized by local people around the Pesisir Barat Lampung Province. The majority of repong damar has been cut down, especially during the last 15 years. One of the reasons for decreasing community interest in managing repong dammar is the decreasing of dammar gum prices. This research aimed to analyze the market system of dammar cultivation in Pesisir Barat, Lampung Province. Descriptive analysis was used to determine the local community's knowledge, skill, and opinion in the trading channel. For further analysis, marketing margin and farmers' share were also used to analyze the price differentiation from the producer's level to the consumer's level. Based on the study results, there are three channels of the dammar gum market in Pesisir Barat Lampung. Most of the farmers (up to 85.71% of total) in Pekon Pahmungan use trading channels 1 and 2 to sell their harvested dammar. Meanwhile, based on the analysis of profit margin, it appears that farmers in channels 1 and 2 are trading actors that receive the lowest profit margin (IDR7,100 kg-1 and IDR8,100 kg-1) compared to trading channel 3 (IDR14,000 kg-1). Farmer's share obtained by dammar farmers in this study was 55.30% on channel 1, 52.20% on channel 2, and 76.80% on channel 3. Livelihood, limitation on capital, lack of information and networking, knowledge and abilities to tree management and harvested dammar, knowledge of another use of dammar gum, and the ability to use technology directly affecting farmers' position in the dammar gum trading system.

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Jamal, I. N. G. Wardana, Nurkholis Hamidi, and Denny Widyanuriawan. "Thermal Analysis of Dammar Resin with Differential Scanning Calorimetry Method." Applied Mechanics and Materials 818 (January 2016): 228–30. http://dx.doi.org/10.4028/www.scientific.net/amm.818.228.

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The benefit of dammar resin as an alternative renewable energy sources can be optimized by knowing the thermal characteristics. The purpose of this study is to perform thermal analysis of dammar resin. The differential scanning calorimetry (DSC) methods have been used to do this analysis. The results obtained indicate that the dammar resin has a melting temperature of 70.88 °C and 303.02 °C evaporation temperature, dammar resin also has a melting enthalpy of 7.6041 J/g and the enthalpy of vaporization 55.0395 J/g.

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Yongjian, Ding, and Liu Jingshi. "Glacier lake outburst flood disasters in China." Annals of Glaciology 16 (1992): 180–84. http://dx.doi.org/10.3189/1992aog16-1-180-184.

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Floods caused by outbursts from lakes dammed either by end moraines or by glaciers are the most important disasters related to glaciers in China. The former occur mainly in Tibet, and the latter in Xinjiang Province. Exceptionally large outbursts from lakes dammed by end moraines have been reported 19 times since 1935 amd 30 outbursts from glacier-dammed lakes have been recorded since 1956. Outbursts from lakes dammed by end moraines are closely associated with ice avalanches, and 79% of all dam failures occur during July to August when ice avalanches are frequent. Outbursts from glacier-dammed lakes often occur in years of very high air temperature, and 63.3% of all failures are between August and September when the storage capacities of glacier lakes reach their limit. Whether or not the end moraine-dammed lakes are of potential danger depends on the flow of the glacier that feeds the lake and the vertical distance between the terminus of the glacier and the level of the lake. The frequency of periods of outbursts from glacier-dammed lakes corresponds to the periods of glacier advance. During the last 160 years, three periods of frequent outbursts from glacier-dammed lakes have occurred. Their duration has been 20 to 30 years and the interval between them about 40 years. The frequency of glacier lake outbursts could increase early in the next century if glaciers advance and dam up new marginal lakes in response to a cold period since 1940.

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Yongjian, Ding, and Liu Jingshi. "Glacier lake outburst flood disasters in China." Annals of Glaciology 16 (1992): 180–84. http://dx.doi.org/10.1017/s0260305500005036.

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Floods caused by outbursts from lakes dammed either by end moraines or by glaciers are the most important disasters related to glaciers in China. The former occur mainly in Tibet, and the latter in Xinjiang Province. Exceptionally large outbursts from lakes dammed by end moraines have been reported 19 times since 1935 amd 30 outbursts from glacier-dammed lakes have been recorded since 1956. Outbursts from lakes dammed by end moraines are closely associated with ice avalanches, and 79% of all dam failures occur during July to August when ice avalanches are frequent. Outbursts from glacier-dammed lakes often occur in years of very high air temperature, and 63.3% of all failures are between August and September when the storage capacities of glacier lakes reach their limit. Whether or not the end moraine-dammed lakes are of potential danger depends on the flow of the glacier that feeds the lake and the vertical distance between the terminus of the glacier and the level of the lake. The frequency of periods of outbursts from glacier-dammed lakes corresponds to the periods of glacier advance. During the last 160 years, three periods of frequent outbursts from glacier-dammed lakes have occurred. Their duration has been 20 to 30 years and the interval between them about 40 years. The frequency of glacier lake outbursts could increase early in the next century if glaciers advance and dam up new marginal lakes in response to a cold period since 1940.

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Jo, Sang Yoon, Jung Hae Park, and Soo Chul Kim. "Experimental Study for Consolidating Materials for Conservation Treatment of Woodblock." Journal of Conservation Science 38, no. 2 (April 30, 2022): 166–79. http://dx.doi.org/10.12654/jcs.2022.38.2.10.

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test piece was produced using deteriorated pine tree for the conservation treatment of woodblocks cultural heritage, and weight change, color change and penetration diffusion characteristics of the test piece according to the application of Dammar, Wax, Paraloid B-72, Animal glue and H.P.C treatment agent. As a result, it was confirmed that Dammar is the most suitable treatment agent for the strengthening of the material while maintaining the original color of the wood. A test piece was produced using deteriorated porous natural wood, which the damage condition is similar to that of woodblocks cultural heritage and the main tree of woodblocks cultural heritage based on above result, and the application of each Dammar concentration (2%, 5%) and wetting of each Dammar concentration (10%, 15%) were conducted in order to find out the application concentration and treatment method of Dammar, and weight change, penetration diffusion characteristics, etc. were observed. As a result, it was found that the Dammar 2% application was the best as an effective method for the strengthening of the material while maintaining the original color of the wood. Therefore, it is judged that Dammar 2% application is most suitable for the strengthening treatment of woodblocks cultural heritage with severe insect damage and degradation.

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Marszelewski, Włodzimierz, and Marika Kornaś. "Dammed lakes – Present state of knowledge and research requirements." Limnological Review 12, no. 4 (March 1, 2012): 198–205. http://dx.doi.org/10.2478/v10194-012-0060-6.

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AbstractThe paper presents the current state of knowledge on dammed lakes in Poland and identifies the crucial research necessities in this area. The analysis of documents concerning dammed lakes and information obtained from institutions responsible for water management in Poland were the basis for a preliminary qualitative and quantitative assessment of dammed lakes located in north-west Poland. This allowed the identification of the necessary directions to be taken in the study of dammed lakes. In many cases, the indicated directions are innovative and have high potential for application.

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Elbermawi, Ahmed, Ahmed R. Ali, Yhiya Amen, Ahmed Ashour, Kadria F. Ahmad, El-Sayed S. Mansour, and Ahmed F. Halim. "Anti-diabetic activities of phenolic compounds of Alternaria sp., an endophyte isolated from the leaves of desert plants growing in Egypt." RSC Advances 12, no. 38 (2022): 24935–45. http://dx.doi.org/10.1039/d2ra02532a.

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Six phenolic compounds were isolated from the solid rice culture media of Alternaria sp., an endophyte isolated from the leaves of three desert plants, Lycium schweinfurthii Dammer (Solanaceae), Pancratium maritimum L. (Amaryllidaceae) and Cynanchum acutum L. (Apocynaceae).

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Elida Purba, Chairul Umam, Azhar,. "Rheological Characteristics of Dammar Mata Kuching." Journal of Engineering and Scientific Research 2, no. 2 (December 28, 2020): 97–101. http://dx.doi.org/10.23960/jesr.v2i2.50.

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Rheology is already defined as the science of flow and deformation of matter. The purpose of rheology is to look at the relationships between stress and deformation of the material-marterial (non-Newtonian) in order to explain its mechanical properties. One of the ingredients that is often used as a basic material for making products is dammar. Dammar is a general term used to name a material in the form of natural resin which is the result of exudation of trees from the Dipterocarpaceae and Burseraccae families. This research uses raw materials dammar and toluene which are used to make a solution of dammar with the proportion of dammar: toluene, namely 50: 50, 40: 60, 35: 65, and 30: 70. Then the rheological analysis is analyzed by measuring the viscosity value, the shear rate. , and also its shear stress. The viscosity value increases with the greater the shear rate and the value of n (Flow Behavior index) is> 1, indicating that a solution of resin is a fluid with a type of dilatan fluid. Keywords: dammar, deformation, rheology, shear rate, shear stress.

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Ngii, E., L. One, N. Nasrul, and M. I. Udo. "Effects of Dammar as the partial substitution of bitumen in HMA AC-WC containing Buton Asphalt." IOP Conference Series: Earth and Environmental Science 1065, no. 1 (July 1, 2022): 012019. http://dx.doi.org/10.1088/1755-1315/1065/1/012019.

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Abstract Petroleum asphalt is the residue of fossil fuel distillation. The flexible pavement material generally uses petroleum asphalt. The world’s need for bitumen increases from year to year to pavement materials. Meanwhile, the availability of bitumen as a non-renewable resource is limited. To meet the world’s need for bitumen in the future, the utilization of natural polymers, such as a dammar, can be the best solution. This study aims to analyze the influence of dammar on the Marshall stability of HMA AC-WC containing Buton Granular Asphalt (BGA). This study was carried by using Marshall testing on the Asphalt Concrete Wearing Courses (AC-WC) containing Buton asphalt of 10%. Bitumen content is in all specimens amount 6,3%, bitumen content of BGA 50/30 is 22,48%, and the variation of dammar content is as the substitution of bitumen of 2.5-10%. Before mixing all material, it was first conducted the mixing of dammar and penetration at the temperature of 90°C to get a modified asphalt. The use of 10% dammar in asphalt mixtures meets the requirements of Bina Marga specifications. Utilization of Dammar content of 10% with BGA content of 10% can substitute petroleum asphalt by 45.68%.

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Tweed, Fiona S., and Andrew J. Russell. "Controls on the formation and sudden drainage of glacier-impounded lakes: implications for jökulhlaup characteristics." Progress in Physical Geography: Earth and Environment 23, no. 1 (March 1999): 79–110. http://dx.doi.org/10.1177/030913339902300104.

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Over the past few years there has been an increase in understanding of glacier-impounded or ‘ice-dammed’ lake behaviour. The spectacular jökulhlaup (catastrophic flood) from Grímsvötn, Iceland in November 1996 has both raised the profile of such events and emphasized the need for awareness of the processes involved. This review summarizes the extent of current knowledge of ice-dammed lakes, highlighting key developments and outlining areas of study still subject to difficulties. Controls on ice-dammed lake formation and persistence are identified, and cycles of jökulhlaup activity are related to glacier fluctuations. Ice-dammed lake drainage trigger mechanisms are reviewed and recent progress in the understanding of such mechanisms is emphasized. Controls on jökulhlaup routing and the development and character of jökulhlaup conduits are discussed and recent advances in jökulhlaup prediction, hydrograph modelling and peak discharge estimation are assessed. A process-based schematic model, drawing on published research, links ice-dammed lake occurrence and drainage to jökulhlaup characteristics. It is demonstrated that ice-dammed lake and ice-dam characteristics ultimately control seven key jökulhlaup attributes which determine the potential impact of jökulhlaups on both landscape and human activity in glaciated regions.

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Xiangsong, Zhang. "Investigation of glacier bursts of the Yarkant River in Xinjiang, China." Annals of Glaciology 16 (1992): 135–39. http://dx.doi.org/10.3189/1992aog16-1-135-139.

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The jökulhlaups in the Yarkant (Yarkand) River are usually caused by the sudden drainage of glacier-dammed lakes through rapidly expanding subglacial channels. The lakes are dammed by Keyajir (Kyagar) Glacier and Telamukanli (Singye) Glacier which are situated in the upper reaches of the Keleqin (Shaksgam) River. In recent years the glaciers have become thinner, and the glacier-dammed lakes and their outbursts have become smaller.

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Xiangsong, Zhang. "Investigation of glacier bursts of the Yarkant River in Xinjiang, China." Annals of Glaciology 16 (1992): 135–39. http://dx.doi.org/10.1017/s0260305500004948.

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The jökulhlaups in the Yarkant (Yarkand) River are usually caused by the sudden drainage of glacier-dammed lakes through rapidly expanding subglacial channels. The lakes are dammed by Keyajir (Kyagar) Glacier and Telamukanli (Singye) Glacier which are situated in the upper reaches of the Keleqin (Shaksgam) River. In recent years the glaciers have become thinner, and the glacier-dammed lakes and their outbursts have become smaller.

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Buder, Andreas. "Dammar Resin Degradation Revisited." CHIMIA International Journal for Chemistry 62, no. 11 (November 26, 2008): 913–17. http://dx.doi.org/10.2533/chimia.2008.913.

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de la Rie, E. René, Christopher W. McGlinchey, and E. Rene de la Rie. "Stabilized Dammar Picture Varnish." Studies in Conservation 34, no. 3 (August 1989): 137. http://dx.doi.org/10.2307/1506229.

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Hadfield, Peter. "River of the dammed." New Scientist 224, no. 2996 (November 2014): 46–49. http://dx.doi.org/10.1016/s0262-4079(14)62248-x.

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Gregory, P. F. "Dammed if you don't." British Dental Journal 205, no. 12 (December 2008): 637–38. http://dx.doi.org/10.1038/sj.bdj.2008.1083.

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Hicklenton, Peter R., and Kenneth G. Cairns. "Calcium and Magnesium Nutrition of Containerized Cotoneaster dammeri ‘Coral Beauty’." Journal of Environmental Horticulture 10, no. 2 (June 1, 1992): 104–7. http://dx.doi.org/10.24266/0738-2898-10.2.104.

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Abstract Cotoneaster dammeri ‘Coral Beauty’ C.K. Schneid. were grown in a peat:perlite:sand container medium amended with either 4.8 kg/m3 (8 lb/yd3) dolomite, or combinations of CaSO4 and MgCO3 providing medium concentrations of 0.l, 0.5, 0.9, l.4 or 1. 8 kg/m3 (0.2, 0.9, 1.5, 2.4, 3.0 lb/yd3) Ca or Mg. Plant growth was greatest in plants grown with dolomite at the end of 4 months. At low [0.1 or 0.5 kg/m3 (0.2 or 0.9 lb/yd3)] Ca medium concentrations, growth was reduced as Mg medium concentration increased above 0.5 kg/m3 (0.9 lb/yd3). There were smaller adverse effects on dry weight as Ca medium concentration increased above 0.9 kg/m3 (1.5 lb/yd3) at low [0.1 or 0.5 kg/m3 (0.2 or 0.9 lb/yd3)] Mg. The smallest plants were associated with foliar Ca:Mg ratios less than 1 and, to a lesser extent, greater than 5.

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Hasnan, Aisyah Nor, Azizah Hanom Ahmad, and Mazatulikhma Mat Zain. "Characteristics of Dammar Based Paint System with the Addition of Silver Nanoclay." Advanced Materials Research 701 (May 2013): 192–96. http://dx.doi.org/10.4028/www.scientific.net/amr.701.192.

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Five different paint systems are formulated using mixture of dammar, silver and nanoclay in various compositions. The paint mixture is spin coated onto Aluminium Q-panel (substrate) and then is left to dry at room temperature. This paper describes the characteristics of the dammar based paint system. Adhesion property is evaluated by using the crosshatch method based on ASTM D3359 standards. The wettability property of coating is characterized by using contact angle measurement. The resistances of paint systems are also described against microbial activity by using disc diffusion and agar well diffusion. The result of crosshatch test shows that the coating system containing 50 wt. % of dammar (PD) exhibits an excellent adhesion property. The addition of dammar to polyol helps to increase the contact angle measurement up to 45.8 degree. The largest inhibition diameter zone against E. coli and S. aureus is obtained for the silver nanoclay polyol dammar, PDS3 paints system.

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Jamal, I. N. G. Wardana, Nurkholis Hamidi, and Denny Widyanuriawan. "Identification of Chemical Compound of Dammar Resin Using Various Solvents with Gas Chromatographic–Mass Spectrometric Method." Applied Mechanics and Materials 695 (November 2014): 211–15. http://dx.doi.org/10.4028/www.scientific.net/amm.695.211.

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This research is aimed to indentify the chemical compounds in Dammar resin. By identifying the chemical compounds in Dammar resin, it can be utilized optimally and the possibility of using it as alternative fuel can be recognized. This research will be carried out using analysis method of Gas Chromatographic-Mass Spectrometric. In the first experiment, Dammar resin is dissolved in CHCl3, C6H14, CH3COOH and CH3OH. From the experiment, it was detected about 32 and 25 chemical compounds when using CHCl3 and C6H14 respectively. Meanwhile, there were 17 and 15 chemical compounds detected when using CH3COOH and CH3OH respectively. Applying these various solvents giving different results but fit out each others. In conclusion, Dammar resin has a promising potency to be developed as alternative renewable fuel energy.

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Kusumastuti, Dewi Ekasari, and Imam Yuwono. "Persepsi Mahasiswa Berkebutuhan Khusus Terhadap Implementasi Model Dammri." Jurnal ORTOPEDAGOGIA 6, no. 1 (July 7, 2020): 35. http://dx.doi.org/10.17977/um031v6i12020p35-38.

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Penelitian ini bertujuan untuk memperoleh gambaran persepsi mahasiswa berkebutuhan khusus terhadap implementasi model DAMMRI. Metode penelitian yang digunakan adalah metode deskriptif dengan pendekatan kualiatif. Subjek pada penelitian ini adalah 1 orang mahasiswa tunadaksa dan 1 orang mahasiswa tunagrahita ringan semester V, penelitian di lakukan di program studi pendidikan khusus FKIP ULM Banjarmasin, pengumpulan data dilakukan dengan metode observasi, wawancara, dan dokumentasi. Hasil penelitian menunjukkan bahwa persepsi kedua subjek terhadap implementasi model DAMMRI sudah baik dan mereka cukup antusias dengan adanya model ini. Namun apabila dibandingkan persepsi antara keduanya diketahui bahwa persepsi DRA terhadap implementasi model DAMMRI lebih baik dibandingkan IH. Temuan yang diperoleh sekaligus juga sebagai masukan adalah IH masih belum memahami peran juru ketik pada saat implementasi model DAMMRI sehingga ke depannya perlu dilakukan sosialisasi terhadap keberadaan juru ketik di dalam kelas.

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Puhvel, Jaan. "Hittite Dammeli-: Jurare in Verba Magistri?" Journal of Cuneiform Studies 64, no. 1 (January 2012): 83–86. http://dx.doi.org/10.5615/jcunestud.64.0083.

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Naeve-Steinweg, Elisabeth. "A note on van Damme's mechanism." Review of Economic Design 4, no. 2 (June 1, 1999): 179–87. http://dx.doi.org/10.1007/s100580050032.

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37

Cook, S. J., and D. J. Quincey. "Estimating the volume of Alpine glacial lakes." Earth Surface Dynamics 3, no. 4 (December 14, 2015): 559–75. http://dx.doi.org/10.5194/esurf-3-559-2015.

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Abstract. Supraglacial, moraine-dammed and ice-dammed lakes represent a potential glacial lake outburst flood (GLOF) threat to downstream communities in many mountain regions. This has motivated the development of empirical relationships to predict lake volume given a measurement of lake surface area obtained from satellite imagery. Such relationships are based on the notion that lake depth, area and volume scale predictably. We critically evaluate the performance of these existing empirical relationships by examining a global database of glacial lake depths, areas and volumes. Results show that lake area and depth are not always well correlated (r2 = 0.38) and that although lake volume and area are well correlated (r2 = 0.91), and indeed are auto-correlated, there are distinct outliers in the data set. These outliers represent situations where it may not be appropriate to apply existing empirical relationships to predict lake volume and include growing supraglacial lakes, glaciers that recede into basins with complex overdeepened morphologies or that have been deepened by intense erosion and lakes formed where glaciers advance across and block a main trunk valley. We use the compiled data set to develop a conceptual model of how the volumes of supraglacial ponds and lakes, moraine-dammed lakes and ice-dammed lakes should be expected to evolve with increasing area. Although a large amount of bathymetric data exist for moraine-dammed and ice-dammed lakes, we suggest that further measurements of growing supraglacial ponds and lakes are needed to better understand their development.

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Cook, S. J., and D. J. Quincey. "Estimating the volume of Alpine glacial lakes." Earth Surface Dynamics Discussions 3, no. 3 (September 11, 2015): 909–40. http://dx.doi.org/10.5194/esurfd-3-909-2015.

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Abstract. Supraglacial, moraine-dammed and ice-dammed lakes represent a potential glacial lake outburst flood (GLOF) threat to downstream communities in many mountain regions. This has motivated the development of empirical relationships to predict lake volume given a measurement of lake surface area obtained from satellite imagery. Such relationships are based on the notion that lake depth, area and volume scale predictably. We critically evaluate the performance of these existing empirical relationships by examining a global database of measured glacial lake depths, areas and volumes. Results show that lake area and depth are not always well correlated (r2 = 0.38), and that although lake volume and area are well correlated (r2 = 0.91), there are distinct outliers in the dataset. These outliers represent situations where it may not be appropriate to apply existing empirical relationships to predict lake volume, and include growing supraglacial lakes, glaciers that recede into basins with complex overdeepened morphologies or that have been deepened by intense erosion, and lakes formed where glaciers advance across and block a main trunk valley. We use the compiled dataset to develop a conceptual model of how the volumes of supraglacial ponds and lakes, moraine-dammed lakes and ice-dammed lakes should be expected to evolve with increasing area. Although a large amount of bathymetric data exist for moraine-dammed and ice-dammed lakes, we suggest that further measurements of growing supraglacial ponds and lakes are needed to better understand their development.

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Harneti, Desi, Asep Supriadin, Rani Maharani, Nurlelasari Nurlelasari, Tri Mayanti, Ace Tatang Hidayat, Risyandi Anwar, Unang Supratman, Khalijah Awang, and Yoshihito Shiono. "Triterpenoids from the Bark of Aglaia glabrata and their In vitro Effects on P-388 Murine Leukemia Cells." Oriental Journal of Chemistry 35, no. 1 (January 31, 2019): 134–39. http://dx.doi.org/10.13005/ojc/350114.

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Four dammarane-type triterpenoids, dammardienon (1), aglaiabbreviatin E (2), dammar-20,25-dien-3b,24-diol (3) and dammar-24-en-3b,20-diol (4) were isolated from methanolic extract of the bark of Aglaia glabrata. The structures of all triterpenoids were elucidated by 1D-, 2D-NMR, and comparison with previously reported data. All triterpenoids were applied into in vitro bioassay against P-388 murine leukemia cell. Dammar-24-en-3b,20-diol (4) has cytotoxic activity with IC50 value of 9.45 mM towards P-388 murine leukemia cell lines.

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Dabiri, Z., D. Hölbling, L. Abad, G. Prasicek, A. L. Argentin, and T. T. Tsai. "AN OBJECT-BASED APPROACH FOR MONITORING THE EVOLUTION OF LANDSLIDE-DAMMED LAKES AND DETECTING TRIGGERING LANDSLIDES IN TAIWAN." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W8 (August 20, 2019): 103–8. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w8-103-2019.

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Abstract. In August 2009, Typhoon Morakot caused a record-breaking rainfall in Taiwan. The heavy rainfall triggered thousands of landslides, in particular in the central-southern part of the island. Large landslides can block rivers and can lead to the formation of landslide-dammed lakes. Cascading hazards like floods and debris flows after landslide dam breaches pose a high risk for people and infrastructure downstream. Thus, better knowledge about landslides that significantly impact the channel system and about the resulting landslide-dammed lakes are key elements for assessing the direct and indirect hazards caused by the moving mass. The main objectives of this study are 1) to develop an object-based image analysis (OBIA) approach for semi-automated detection of landslides that caused the formation of landslide-dammed lakes and 2) to monitor the evolution of landslide-dammed lakes based on Landsat imagery. For landslide and lake mapping, primarily spectral indices and contextual information were used. By integrating morphological and hydrological parameters derived from a digital elevation model (DEM) into the OBIA framework, we automatically identified landslide-dammed lakes, and the landslides that likely caused the formation of those lakes, due to the input of large amounts of debris into the channel system. The proposed approach can be adapted to other remote sensing platforms and can be used to monitor the evolution of landslide-dammed lakes and triggering landslides at regional scale after typhoon and heavy rainstorm events within an efficient time range after suitable remote sensing data has been provided.

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Sugden, Andrew M. "Optimizing flow in dammed rivers." Science 358, no. 6368 (December 7, 2017): 1266.11–1268. http://dx.doi.org/10.1126/science.358.6368.1266-k.

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Bonaduce, Ilaria, Francesca Di Girolamo, Iacopo Corsi, Ilaria Degano, Maria Rosaria Tinè, and Maria Perla Colombini. "Terpenoid Oligomers of Dammar Resin." Journal of Natural Products 79, no. 4 (March 16, 2016): 845–56. http://dx.doi.org/10.1021/acs.jnatprod.5b00916.

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43

KOSHLAND, D. E. "The Land of the Dammed." Science 254, no. 5034 (November 15, 1991): 917. http://dx.doi.org/10.1126/science.254.5034.917.

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Dhómhnaill, NualaNí. "We are dammed, my sisters." Women's Studies International Forum 11, no. 4 (January 1988): 395. http://dx.doi.org/10.1016/0277-5395(88)90090-8.

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Mulyono, Noryawati, Christofora Hanny Wijaya, Dedi Fardiaz, and Wuryaningsih Sri Rahayu. "Identifikasi Komponen Kimia Damar Mata Kucing (Shorea Javanica) dengan Metode Pirolisis-GC/MS." Jurnal Natur Indonesia 14, no. 1 (November 21, 2012): 155. http://dx.doi.org/10.31258/jnat.14.1.155-159.

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The aim of this research was to identify chemical compounds in cat eye dammar. The method included functional groups characterizationby infrared spectrophotometer and identification using Pyrolisis-GC/MS. Infrared spectra of crude sample showed that there were somefunctional groups such as alkyl, carbonyl, vinyl, and hydroxyl. Identification by Pyrolisis-GC/MS showed that dammar consisted of at least67 compounds. This natural gum components could be categorized into 4 groups, i.e. tetra cyclic hydrocarbon (30 compounds, 49.57%),penta cyclic (3 compounds, 2.56%), C 15 compounds (11 compounds, 17.09%), and other group (23 compounds, 18.26%). According to thePy-GC/MS data, brassicasterol is the highest relative concentration in dammar, i.e. 20%.

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Giusti, M., G. Delitala, G. Marini, B. Uggias, P. Sessarego, GM Besser, A. Grossman, and G. Giordano. "The effect of a met-enkephalin analogue on growth hormone, prolactin, gonadotropins, cortisol and thyroid stimulating hormone in healthy elderly men." Acta Endocrinologica 127, no. 3 (September 1992): 205–9. http://dx.doi.org/10.1530/acta.0.1270205.

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The aim of the study was to evaluate the effect of the guanyl derivative of the opioid analogue D-ala2,MePhe4-Met-enkephalin-(o)-ol (G-DAMME) on pituitary secretion in healthy elderly men. Nine healthy elderly men (65–88 years) and 10 young adults (20–30 years) were studied. GH, PRL, gonadotropins, cortisol (to evaluate the effect on ACTH) and TSH were measured after G-DAMME (0.25 mg iv) or placebo administration. In elderly men, the GH response to G-DAMME was reduced or absent, while prompt GH release was found in all young men. G-DAMME lowered LH levels in young men but not in elderly men. No significant variations in FSH levels after G-DAMME and placebo were noted in either group of subjects. A similar and significant rise in PRL and TSH, and a fall in cortisol, after G-DAMME was observed in both elderly and young adults. We have demonstrated that the sensitivity to opioid modulation by G-DAMME on PRL, TSH and cortisol secretion is unchanged with aging. On the other hand, the data indicate that LH and GH responsiveness to G-DAMME change with age.

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Radoi, Alexandru Ioan, Ion Ciuca, Marius Marinel Stanescu, Dumitru Bolcu, Claudiu Nicolicescu, Cosmin Mihai Miritoiu, and Mihaela Bogdan. "Studies Regarding Some Mechanical Properties for a Hybrid Resin Used to Build Composites Reinforced with Corn Cob Powder." Materiale Plastice 59, no. 2 (July 1, 2022): 24–31. http://dx.doi.org/10.37358/mp.22.2.5581.

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In this paper some mechanical characteristics of a composite made from a hybrid resin and reinforced with corn cob powder are presented. The hybrid resin was made with a combination between the natural dammar resin combined with a small percentage of acrylic one. The synthetic resin was inserted in order to increase the polymerization process which was produced in about 24 h. In the fist part of the investigation, from the compression test, some mechanical characteristics are determined, such as: breaking strength or maximum force obtained at breaking. Then, by using the SEM analysis and EDS spectrometry, some samples with 50% dammar and 60% dammar were investigated. The last hybrid resin test was Shore D hardness and it was found out that the hardness decreases with the increase of dammar percentage. In the last part of the study, some composites by using the poposed hybrid resin reinforced with corn cob powder were manufactured. It has been found out that the proposed composite reinforced with corn cob powder has increased compression mechanical properties compared other composites that have the same reinforcement.

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Setyawan, Ary, M. Fachri, and A. Sumarsono. "ASSESSING THE CHEMICAL PROPERTIES OF DAMMAR ASPHALT USING FOURIER TRANSFORM INFRARED SPECTROSCOPY." ALCHEMY Jurnal Penelitian Kimia 12, no. 1 (August 17, 2016): 95. http://dx.doi.org/10.20961/alchemy.12.1.950.95-102.

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Dammar Asphalt (Daspal) is expected to be used as a bio-asphalt renewable binder for road construction. It is made with a modification of the "Jabung", which is the dammar gum based material mixed with grounded red brick debris and low quality cooking oil at a certain ratio. Dammar gum is obtained from the Dipterocarpaceae family of trees in India and East Asia, most are produced by tapping trees. The gum varies in color from clear to pale yellow. Dammar gum is a triterpenoid resin, containing a large number of triterpenes and their oxidation products. Many of them are low molecular weight compounds. The objective of this research is to analyze the chemical properties of Daspal uses a Resonance Fourier Transform Infrared Spectroscopy (FTIR) method to compare with conventional asphalt. The investigation using spectral data showed that all types of Daspal have similar functional groups of Saturate, Aromatic, Resins, and Asphalten as the 60/70 penetration conventional bitumen, so that based on its chemical properties Daspal can be considered as bioaspal.

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Setyawan, Ary, M. Fachri, and A. Sumarsono. "ASSESSING THE CHEMICAL PROPERTIES OF DAMMAR ASPHALT USING FOURIER TRANSFORM INFRARED SPECTROSCOPY." ALCHEMY Jurnal Penelitian Kimia 12, no. 1 (August 17, 2016): 95. http://dx.doi.org/10.20961/alchemy.v12i1.950.

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Dammar Asphalt (Daspal) is expected to be used as a bio-asphalt renewable binder for road construction. It is made with a modification of the "Jabung", which is the dammar gum based material mixed with grounded red brick debris and low quality cooking oil at a certain ratio. Dammar gum is obtained from the Dipterocarpaceae family of trees in India and East Asia, most are produced by tapping trees. The gum varies in color from clear to pale yellow. Dammar gum is a triterpenoid resin, containing a large number of triterpenes and their oxidation products. Many of them are low molecular weight compounds. The objective of this research is to analyze the chemical properties of Daspal uses a Resonance Fourier Transform Infrared Spectroscopy (FTIR) method to compare with conventional asphalt. The investigation using spectral data showed that all types of Daspal have similar functional groups of Saturate, Aromatic, Resins, and Asphalten as the 60/70 penetration conventional bitumen, so that based on its chemical properties Daspal can be considered as bioaspal.

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Chai, Fu Xin, Tao Sun, Xiao Tao Li, and Shi Feng Huang. "Development and Application of Spatial Analysis and Management System of Dammed Lake Based on 3D GIS." Applied Mechanics and Materials 204-208 (October 2012): 2932–36. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.2932.

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Using Skyline and GIS technology, true three-dimensional scene of the Wenchuan earthquake is built in the area affected by the "5.12" earthquake in Sichuan is. And then the system development and model structures are done by the application development software of Visual Studio 2005. The decision analysis platform is built including the functions of the dynamic monitoring based on remote sensing for dammed lake, the lake recognition and feature extraction for dammed lake (rapid identification, the calculation of barrier dam, storage capacity calculation), submergence analysis (upstream submerged analysis, downstream image evaluation), and the function of disaster assessment and risk assessment. It can provide support for the Monitoring, and Early-Warning and aid decision-making for dammed lake.

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Journal articles on the topic 'Dammery'

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