Zeitschriftenartikel: „Sample transfer system“

1

Chen, Qibiao, P. Chevako und M. Onellion. „Inexpensive, flexible sample transfer system“. Review of Scientific Instruments 62, Nr. 1 (Januar 1991): 244–45. http://dx.doi.org/10.1063/1.1142323.

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2

Lifshitz, Mark S., und Robert P. De Cresce. „The MICROLAB AT Sample Transfer System“. Laboratory Medicine 19, Nr. 3 (01.03.1988): 182–83. http://dx.doi.org/10.1093/labmed/19.3.182.

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3

Liu, Kan, Nan-Gang Zhang, Sheng-Xiang Wang und Yuliang Deng. „An automatic microfluidic sample transfer and introduction system“. Microfluidics and Nanofluidics 16, Nr. 1-2 (09.07.2013): 101–8. http://dx.doi.org/10.1007/s10404-013-1227-4.

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4

Thevuthasan, S. „Development of a multitask and multiinstrument sample transfer system“. Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 13, Nr. 4 (Juli 1995): 1900. http://dx.doi.org/10.1116/1.587832.

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5

Cario, Clinton L., und John S. Witte. „Samasy: an automated system for sample selection and robotic transfer“. BioTechniques 65, Nr. 6 (Dezember 2018): 357–60. http://dx.doi.org/10.2144/btn-2018-0090.

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6

Hoshikawa, Akinori, Toru Ishigaki und Masao Yonemura. „Development of Automatic Sample Exchange and Transfer System in iMATERIA“. hamon 23, Nr. 3 (2013): 204–9. http://dx.doi.org/10.5611/hamon.23.3_204.

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7

Columbus, R. L., und H. J. Palmer. „The integrated blood-collection system as a vehicle into complete clinical laboratory automation“. Clinical Chemistry 37, Nr. 9 (01.09.1991): 1548–56. http://dx.doi.org/10.1093/clinchem/37.9.1548.

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Abstract A rationale is offered and methodology illustrated for integrating the fundamental steps involved in the collection and processing of blood for laboratory evaluation. The approach taken in the development of these concepts and components greatly extends the possibilities of laboratory systems integration without upsetting established modalities. A prototype design of the integrated blood-collection system integrates blood collection, cellular separations, sample transfer to stable storage without chemical mediators, and sample presentation for chemical analysis (e.g., precision metering) while preserving patient identification. A sophisticated, multi-chambered blood-collection container is the site of all blood sample processing and transfer steps. This device is supported by a compact, robotic centrifuge of unique design and a transfer mechanism to facilitate sample delivery for analysis within a diagnostic instrument. The confluence of these individual components into a single integrated system provides the means to completely automate the processing of blood samples, after sample collection, eliminating all manual transfer steps and any external exposure of blood interfaces outside the diagnostic instrument. Configurational derivatives of the Integrated Blood-Collection System offer choice of skin or venipuncture procedure, rapid plasma extraction for micro- or macro-collected volumes, and sample delivery by either aspiration or direct metering of discrete 10-microL samples from the collection container. The skin-puncture configuration provides the opportunity within a single device to collect and process up to 500 microL of sample by capillarity from a skin prick.

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Morriss, Frank. „Interhospital Transfers of Maternal Patients: Cohort Analysis of Nationwide Inpatient Sample, 2011“. American Journal of Perinatology 35, Nr. 01 (14.08.2017): 065–77. http://dx.doi.org/10.1055/s-0037-1606099.

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Objective The objective of this study was to estimate the annual rate of interhospital transfers of pregnant and postpartum women in the United States and analyze associated patient and health system characteristics as measures of regionalized perinatal care performance. Methods Separate weighted univariate analyses of the 2011 Nationwide Inpatient Sample (NIS) were performed for all maternal discharges, in-hospital deaths, and transfers. Multivariable logistic regression analyses for transfer dispositions adjusted for health system characteristics, maternal demographics, and diagnoses were performed. Additional perinatal service characteristics were analyzed using NIS merged with the 2011 American Hospital Association Annual Survey database. Results An estimated 18,082 patients, 0.43% of maternal hospitalizations, were transferred to an acute care hospital; 81% occurred without childbirth delivery before transfer. Transfers were toward larger, urban teaching hospitals and hospitals with higher levels of obstetrical and neonatal care and were more likely in states with ≥4.0 maternal–fetal medicine specialists/10,000 live births. Blacks and Native Americans were more likely and Hispanics and Asians were less likely than white patients to be transferred. Privately insured women were less likely to be transferred than were others. Transfers were associated with life-threatening maternal diagnoses and fetal indications. Conclusion Transfers reflected a risk-based regionalized system of perinatal care, with racial and payer differences.

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Chottiner, G. S., W. D. Jennings und K. I. Pandya. „A flexible sample transfer/insertion system for ultrahigh vacuum surface studies“. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 5, Nr. 5 (September 1987): 2970–72. http://dx.doi.org/10.1116/1.574234.

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Moshfegh, A. Z., und A. Ignatiev. „Combined high‐pressure photocatalytic reactor–UHV system and sample transfer device“. Review of Scientific Instruments 59, Nr. 10 (Oktober 1988): 2202–5. http://dx.doi.org/10.1063/1.1139987.

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11

Ismail, S. S. „A New Automated Sample Transfer System for Instrumental Neutron Activation Analysis“. Journal of Automated Methods and Management in Chemistry 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/389374.

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A fully automated and fast pneumatic transport system for short-time activation analysis was recently developed. It is suitable for small nuclear research reactors or laboratories that are using neutron generators and other neutron sources. It is equipped with a programmable logic controller, software package, and 12 devices to facilitate optimal analytical procedures. 550 ms were only necessary to transfer the irradiated capsule (diameter: 15 mm, length: 50 mm, weight: 4 gram) to the counting chamber at a distance of 20 meters using pressurized air (4 bars) as a transport gas.

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Jumril Yunas, Muzalifah Mohd Said, Roer Eka Pawinanto, Badariah Bais, Budi Mulyanti, Ida Hamidah, Asep Bayu Dani Nandiyanto und Burhanuddin Yeop Majlis. „Magnetic Polymer Based Micropumps for Microfluidic Sample Delivery System“. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 85, Nr. 1 (29.07.2021): 12–21. http://dx.doi.org/10.37934/arfmts.85.1.1221.

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In this paper we present the development of electromagnetic (EM) microfluidic pumps incorporating the magnetic polymer composite for the transport of microfluidic bio-sample. The pump system includes the electromagnetic field generator, a flexible actuator membrane made of polymer material with embedded magnetic particles and valve-less microfluidic channel and chamber. The micropump is fabricated using a MEMS process with additional bonding process. Various types of the magnetic membrane as well as electromagnetic coils were fabricated and characterized to find optimum pump performance. As the results, it is found that the fabricated pump systems were able to deliver fluidic sample within a large flow-rate range from 6 ml/min down to several nl/min which can be adjusted by setting the input electrical current parameters, such as intensity, frequency and type of the current signal.

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Shirokov, I. B., I. V. Serdyuk, A. A. Azarov und E. I. Shirokova. „System for wireless power transfer“. Ural Radio Engineering Journal 5, Nr. 1 (2021): 7–20. http://dx.doi.org/10.15826/urej.2021.5.1.001.

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The issues of wireless power transfer over short distances are considered. The approach may be used for wireless charging of batteries in unmanned vehicles. It is proposed to use the technique of microstrip structures for power transfer. The microstrip structures form a directional coupler on symmetrical strip lines when approaching by front parts. The length of the interaction lines is chosen several times longer than a quarter of the wavelength. Ballast resistors are excluded from the circuit. This approach leads to small losses of power transfer when the distance between microstrip structures changes over a wide range. Modeling of the operation of the power transfer system has been carried out, an experimental sample has been made and experimental studies have been carried out. The simulation and experiment are well accorded.

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Ohana, J., L. Jacquamet, J. Joly, A. Bertoni, P. Taunier, L. Michel, P. Charrault et al. „CATS: a Cryogenic Automated Transfer System installed on the beamline FIP at ESRF“. Journal of Applied Crystallography 37, Nr. 1 (17.01.2004): 72–77. http://dx.doi.org/10.1107/s0021889803025482.

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CATS allows users to mount and dismount their crystal samples remotely on the diffractometer, without entering the experimental hutch. CATS has been integrated into the automated control of FIP, allowing users to choose the wavelengths, optimize the beam intensity, mount and screen their crystal sample automatically and finally record diffraction data on the best sample(s).

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Kress, Thomas, Kateryna Che, Ludovica M. Epasto, Fanny Kozak, Mattia Negroni, Gregory L. Olsen, Albina Selimovic und Dennis Kurzbach. „A novel sample handling system for dissolution dynamic nuclear polarization experiments“. Magnetic Resonance 2, Nr. 1 (04.06.2021): 387–94. http://dx.doi.org/10.5194/mr-2-387-2021.

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Abstract. We present a system for facilitated sample vitrification, melting, and transfer in dissolution dynamic nuclear polarization (DDNP) experiments. In DDNP, a sample is typically hyperpolarized at cryogenic temperatures before dissolution with hot solvent and transfer to a nuclear magnetic resonance (NMR) spectrometer for detection in the liquid state. The resulting signal enhancements can exceed 4 orders of magnitude. However, the sudden temperature jump from cryogenic temperatures close to 1 K to ambient conditions imposes a particular challenge. It is necessary to rapidly melt the sample to avoid a prohibitively fast decay of hyperpolarization. Here, we demonstrate a sample dissolution method that facilitates the temperature jump by eliminating the need to open the cryostat used to cool the sample. This is achieved by inserting the sample through an airlock in combination with a dedicated dissolution system that is inserted through the same airlock shortly before the melting event. The advantages are threefold: (1) the cryostat can be operated continuously at low temperatures. (2) The melting process is rapid as no pressurization steps of the cryostat are required. (3) Blockages of the dissolution system due to freezing of solvents during melting and transfer are minimized.

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Macauley, Chandra, Martina Heller, Alexander Rausch, Frank Kümmel und Peter Felfer. „A versatile cryo-transfer system, connecting cryogenic focused ion beam sample preparation to atom probe microscopy“. PLOS ONE 16, Nr. 1 (19.01.2021): e0245555. http://dx.doi.org/10.1371/journal.pone.0245555.

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Atom probe tomography (APT) is a powerful technique to obtain 3D chemical and structural information, however the ‘standard’ atom probe experimental workflow involves transfer of specimens at ambient conditions. The ability to transfer air- or thermally-sensitive samples between instruments while maintaining environmental control is critical to prevent chemical or morphological changes prior to analysis for a variety of interesting sample materials. In this article, we describe a versatile transfer system that enables cryogenic- or room-temperature transfer of specimens in vacuum or atmospheric conditions between sample preparation stations, a focused ion beam system (Zeiss Crossbeam 540) and a widely used commercial atom probe system (CAMECA LEAP 4000X HR). As an example for the use of this transfer system, we present atom probe data of gallium- (Ga)-free grain boundaries in an aluminum (Al) alloy specimen prepared with a Ga-based FIB.

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Maniraj, M., und S. Mousavion. „Design and construction of a linear motion drive and sample transfer system“. Vacuum 167 (September 2019): 195–98. http://dx.doi.org/10.1016/j.vacuum.2019.06.009.

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Morrison, Robert D. „A CLOSED SYSTEM SAMPLE TRANSFER DEVICE FOR VOLATILE ORGANIC COMPOUNI)S 1“. JAWRA Journal of the American Water Resources Association 25, Nr. 3 (Juni 1989): 637–40. http://dx.doi.org/10.1111/j.1752-1688.1989.tb03101.x.

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Addison, R. F., und P. F. Brodie. „Transfer of Organochlorine Residues from Blubber through the Circulatory System to Milk in the Lactating Grey Seal Halichoerus grypus“. Canadian Journal of Fisheries and Aquatic Sciences 44, Nr. 4 (01.04.1987): 782–86. http://dx.doi.org/10.1139/f87-095.

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Residues of the DDT group of insecticides and the polychlorinated biphenyls (PCBs) were measured in maternal blubber, milk, and blood or serum and in pup blubber and blood or serum of grey seals (Halichoerus grypus) from Sable Island, N.S. sampled in 1984 and 1985. DDT-group and PCB concentrations in blubber samples were lower in 1984 than in a sample of this population taken in the mid-1970's, but not lower than those in a sample taken in 1982. Concentrations in 1985 samples were slightly higher than those in the 1984 samples, for unknown reasons. On a lipid weight basis, residue concentrations in blood or serum were consistently about 50% of those in blubber lipid. The more highly chlorinated and therefore more lipid-soluble PCB components were transferred less efficiently from blubber to the circulatory system. Net transfer of residues from maternal blubber to maternal milk was about 70% efficient; this implies considerable degradation of circulatory lipid and resynthesis, probably to milk carbohydrates and other compounds. There was some selection against movement of especially the lower chlorinated PCB congeners from circulatory lipids into milk lipids, compared with transfer of the DDT group. Thus, a nonselective barrier exists to quantitative transfer of residues from blubber lipid to circulatory lipid, and a partially selective barrier exists against PCBs in the transfer of residues from circulatory to milk lipids; at least the latter barrier seems to involve lipid solubility.

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Murray, Kermit K., Suman Ghorai und Chinthaka A. Seneviratne. „Tip Enhanced Laser Ablation Sample Transfer for Mass Spectrometry“. MRS Proceedings 1754 (2015): 87–95. http://dx.doi.org/10.1557/opl.2015.286.

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ABSTRACTMass spectrometry is one of the primary analysis techniques for biological analysis but there are technological barriers in sampling scale that must be overcome for it to be used to its full potential on the size scale of single cells. Current mass spectrometry imaging methods are limited in spatial resolution when analyzing large biomolecules. The goal of this project is to use atomic force microscope (AFM) tip enhanced laser ablation to remove material from cells and tissue and capture it for subsequent mass spectrometry analysis. The laser ablation sample transfer system uses an AFM stage to hold the metal-coated tip at a distance of approximately 10 nm from a sample surface. The metal tip acts as an antenna for the electromagnetic radiation and enables the ablation of the sample with a spot size much smaller than a laser focused with a conventional lens system. A pulsed nanosecond UV or visible wavelength laser is focused onto the gold-coated silicon tip at an angle nearly parallel with the surface, which results in the removal of material from a spot between 500 nm and 1 µm in diameter and 200 and 500 nm deep. This corresponds to a few picograms of ablated material, which can be captured on a metal surface for MALDI analysis. We have used this approach to transfer small peptides and proteins from a thin film for analysis by mass spectrometry as a first step toward high spatial resolution imaging.

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Yan, Hong Wei, Yang Wang, Hui Shan Lu und Qiang Gao. „Research on PLC Based Pulverized Coal Sample Preparation Transfer Mechanize“. Advanced Materials Research 634-638 (Januar 2013): 1622–25. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.1622.

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In view of China’s current coal crushing equipment size is too large, this paper aim to design a small coal sample preparation system. This system utilizes the principle of the cone crusher for coarse crushing, and after the pulverized coal is dried in drying apparatus, it will let the pulverized coal enters into the fine grinding device from fixed screening device. The pulverized coal pulverized by fine grinding apparatus, classification by the classification device, and enters into the infrared light detecting device from transmission apparatus to detect its composition. This device’s transmission is based on control of PLC to achieve. At first, this paper describe the operating principle of PLC, then select the hardware and software components of transfer part, and simulate the control part at last.

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Amponsah-Abu, E. O., B. J. B. Nyarko und R. Edziah. „Design and Construction of Pneumatic Transfer System Controller Unit for Ghana MNSR“. Journal of Control Science and Engineering 2019 (01.08.2019): 1–15. http://dx.doi.org/10.1155/2019/6450987.

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Pneumatic Transfer System (PTS) is an auxiliary system of Ghana Research Reactor-1 (GHARR-1) used to transfer sample capsule in and out of the reactor irradiation sites. The PTS’ controller unit design and construction were carried out because the original transfer system was not designed to operate in cyclic NAA. To address these situations, a Programmable Logic Controller (PLC) has been used to design and construct a control unit to facilitate a cyclic neutron activation analysis (CNAA) application for GHARR-1. The design has been simulated successfully using a LOGO Soft Comfort software, version 8. The constructed control unit has been tested experimentally using 220 AC volts electric bulbs to represent solenoid valves. The results show that the sample-IN and sample-OUT bulbs come ON and go OFF to represent the solenoid valves opening and closing for sample transfer. The study has shown that the computer based PLC controller unit for PTS is capable of facilitating both cyclic and conventional NAA application for the GHARR-1.

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Jachimowski, T. A., und J. Lauterbach. „A combined high-pressure reaction cell-ultrahigh vacuum chamber with sample transfer system“. Review of Scientific Instruments 69, Nr. 7 (Juli 1998): 2757–61. http://dx.doi.org/10.1063/1.1149011.

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Krastev, E. T., und R. G. Tobin. „Ultrahigh vacuum sample transfer system with multiple electrical connections and grazing optical access“. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 16, Nr. 2 (März 1998): 743–45. http://dx.doi.org/10.1116/1.581054.

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Cho, S. H., M. H. Chun, Y. C. Zhu, J. Zhang, J. K. Lee und J. M. Seo. „Sample transfer system with longer displacement than the maximum stroke of the manipulator“. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 20, Nr. 1 (Januar 2002): 291–93. http://dx.doi.org/10.1116/1.1419082.

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Watt, Randall R., und Larry T. Cupitt. „Sample Accountability Quality Assurance for the "Integrated Air Cancer Project" Research Program of the U.S. Environmental Protection Agency“. Journal of AOAC INTERNATIONAL 70, Nr. 6 (01.11.1987): 1069–72. http://dx.doi.org/10.1093/jaoac/70.6.1069.

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Abstract A sample accountability quality assurance (QA) program is described for a field and laboratory research effort which resulted in collection of approximately 2000 samples for analysis by several EPA and contractor laboratories. A QA program was specifically developed for this research program to include sample transfer from collection site to storage maintenance, record development, transfer to researchers, and sample tracking at all stages. A sample identification system and sample custody records are described for field and laboratory application. The functions of a sample coordinator are also described as relating to sample custody, coordination of sample analysis with researchers, and development of computer record files to facilitate research and sample tracking.

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Obeidat, Ahmad Mohammad, Zaid Mohammad Obeidat und Mohammad Ibrahim Obeidat. „The Value System of Youths in Jordan: Implications for Human Resource & Marketing Managers“. International Journal of Business and Management 11, Nr. 10 (18.09.2016): 162. http://dx.doi.org/10.5539/ijbm.v11n10p162.

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Based on a sample of 263 Jordanians, this study aimed to identify the value system of the Jordanian youths and compare it to that of their seniors. Using Rokeach value system survey and a snowball sampling technique data was collected from two samples: students in a major university in Jordan and their parents. Although, significant differences were found for a number of values between the students and their parents, the findings of this study identified similar value systems structures for both samples. This study contributes to the existing literature by exploring the value system of youths in Jordan and suggests a number of recommendations for HR and Marketing Managers. Transformational leadership does not significantly affect technology transfer effectiveness. tor in Egypt. rsonal authority of the leader; On technology transfer effectiveness.

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Deri, Alper, und Aylin Kalpakci. „Efficient Usage of Transfer based System in Intracity Bus Transit Operation: Sample of Izmir“. Procedia - Social and Behavioral Sciences 111 (Februar 2014): 311–19. http://dx.doi.org/10.1016/j.sbspro.2014.01.064.

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Ichikawa, Shinichi, und Mahlon S. Wilson. „Sample transfer system for surface studies in wide pressure range (10−7–106 Pa)“. Review of Scientific Instruments 58, Nr. 2 (Februar 1987): 317–19. http://dx.doi.org/10.1063/1.1139282.

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Golubeva, Yelena G., Roberta M. Smith und Lawrence R. Sternberg. „Optimizing Frozen Sample Preparation for Laser Microdissection: Assessment of CryoJane Tape-Transfer System®“. PLoS ONE 8, Nr. 6 (21.06.2013): e66854. http://dx.doi.org/10.1371/journal.pone.0066854.

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Chen, Danmin, Shuai Yang und Funa Zhou. „Transfer Learning Based Fault Diagnosis with Missing Data Due to Multi-Rate Sampling“. Sensors 19, Nr. 8 (17.04.2019): 1826. http://dx.doi.org/10.3390/s19081826.

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Deep learning is an effective feature extraction method widely applied in fault diagnosis fields since it can extract fault features potentially involved in multi-sensor data. But different sensors equipped in the system may sample data at different sampling rates, which will inevitably result in a problem that a very small number of samples with a complete structure can be used for deep learning since the input of a deep neural network (DNN) is required to be a structurally complete sample. On the other hand, a large number of samples are required to ensure the efficiency of deep learning based fault diagnosis methods. To solve the problem that a structurally complete sample size is too small, this paper proposes a fault diagnosis framework of missing data based on transfer learning which makes full use of a large number of structurally incomplete samples. By designing suitable transfer learning mechanisms, extra useful fault features can be extracted to improve the accuracy of fault diagnosis based simply on structural complete samples. Thus, online fault diagnosis, as well as an offline learning scheme based on deep learning of multi-rate sampling data, can be developed. The efficiency of the proposed method is demonstrated by utilizing data collected from the QPZZ- II rotating machinery vibration experimental platform system.

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BAILEY, J. S., und D. E. COSBY. „Detection of Salmonella from Chicken Rinses and Chicken Hot Dogs with the Automated BAX PCR System“. Journal of Food Protection 66, Nr. 11 (01.11.2003): 2138–40. http://dx.doi.org/10.4315/0362-028x-66.11.2138.

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The BAX system with automated PCR detection was compared with standard cultural procedures for the detection of naturally occurring and spiked Salmonella in 183 chicken carcass rinses and 90 chicken hot dogs. The automated assay procedure consists of overnight growth (16 to 18 h) of the sample in buffered peptone broth at 35°C, transfer of the sample to lysis tubes, incubation and lysis of the cells, transfer of the sample to PCR tubes, and placement of tubes into the cycler-detector, which runs automatically. The automated PCR detection assay takes about 4 h after 16 to 24 h of overnight preenrichment. The culture procedure consists of preerichment, enrichment, plating, and serological confirmation and takes about 72 h. Three trials involving 10 to 31 samples were carried out for each product. Some samples were spiked with Salmonella Typhimurium, Salmonella Heidelberg, Salmonella Montevideo, and Salmonella Enteritidis at 1 to 250 cells per ml of rinse or 1 to 250 cells per g of meat. For unspiked chicken rinses, Salmonella was detected in 2 of 61 samples with the automated system and in 1 of 61 samples with the culture method. Salmonella was recovered from 111 of 122 spiked samples with the automated PCR system and from 113 of 122 spiked samples with the culture method. For chicken hot dogs, Salmonella was detected in all 60 of the spiked samples with both the automated PCR and the culture procedures. For the 30 unspiked samples, Salmonella was recovered from 19 samples with the automated PCR system and from 10 samples with the culture method. The automated PCR system provided reliable Salmonella screening of chicken product samples within 24 h.

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Васютин, М. А., Н. Д. Кузьмичев und Д. А. Шилкин. „Моделирование процесса теплоотдачи сверхпроводящих пленок в резистивном состоянии“. Журнал технической физики 91, Nr. 3 (2021): 538. http://dx.doi.org/10.21883/jtf.2021.03.50534.183-20.

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The analysis of heat transfer in the contact-film-substrate system under conditions when the heat removal from the sample to the substrate is insufficient to ensure that the sample is not overheated. For low temperatures, a method is proposed for increasing the heat removal from thin-film samples by passing a high-density electric current through them. The property of an anomalously high thermal conductivity of copper at temperatures from 5 to 50 K was used as the main factor in enhancing heat removal. The heat equation for the film-substrate system was numerically solved under the condition of additional heat transfer to potential contacts. It has been shown that beryllium bronze contacts can provide efficient heat removal from samples of superconducting films in a resistive state under conditions of strong Joule heat release.

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SHIMIZU, Hazime, Shigemi SUGINUMA, Kiyoshi OGAWA, Kazuo SHIMADA, Yoichi HIRANO und Yoshihiro ASHINO. „Sample transfer system for plasma surface interaction by means of reverse field pinch plasma apparatus.“ SHINKU 33, Nr. 3 (1990): 276–79. http://dx.doi.org/10.3131/jvsj.33.276.

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Gimadiev, A. G., und A. V. Utkin. „Analysis of heat transfer in a helically coiled cooler of a mechatronic sample conditioning system“. VESTNIK of Samara University. Aerospace and Mechanical Engineering 15, Nr. 4 (09.02.2017): 195. http://dx.doi.org/10.18287/2541-7533-2016-15-4-195-203.

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Raval, R., M. A. Harrison, D. A. King und G. Caine. „A new ultrahigh vacuum single crystal sample transfer system with direct temperature control and measurement“. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 9, Nr. 2 (März 1991): 345–49. http://dx.doi.org/10.1116/1.577512.

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Copperthwaite, RG, PM Loggenberg, TE Derry und JPF Sellschop. „Surface studies of fischer-tropsch catalysts using a high pressure reactor and sample transfer system“. Vacuum 38, Nr. 4-5 (Januar 1988): 413–16. http://dx.doi.org/10.1016/0042-207x(88)90092-9.

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Chaudhary, Saurabh, Janmey Jay Panda, Suman Mundlia, S. Mathimalar, Aathif Ahmedof und Karthik V. Raman. „A low noise cryogen-free scanning tunneling microscope–superconducting magnet system with vacuum sample transfer“. Review of Scientific Instruments 92, Nr. 2 (01.02.2021): 023906. http://dx.doi.org/10.1063/5.0041037.

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Bachmann, Claude, und Olivier Boulat. „Automated Analysis with Computerized Information Transfer in a University Hospital“. Journal of AOAC INTERNATIONAL 77, Nr. 3 (01.05.1994): 774–76. http://dx.doi.org/10.1093/jaoac/77.3.774.

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Abstract The organization of a central clinical chemistry laboratory of a university hospital, which in 1992 analyzed 880 000 results, is presented. Automation with midsize selective analyzers, which run in parallel and are able to do positive sample identification on the primary bar-coded tubes, in connection with a laboratory computer system and a central hospital computer allowed for reliable and timely obtainment of results. The output of the results is made on laser printers in the medical wards, thus alleviating the pneumatic sample transport systems. Assessment of the turnaround time show that it can be kept below one hour. Such a setup without sorting out emergency demands allows a simplified sample flow. Thus, there is no need for a laboratory to make “stat” requests.

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Ahmad, Ahmad. „Transfer Function Models for Forecasting Domestic Water Use“. Journal of Social and Development Sciences 6, Nr. 2 (30.06.2015): 52–56. http://dx.doi.org/10.22610/jsds.v6i2.842.

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The ability of transfer function models to forecast domestic water use is investigated. Five years monthly time series data on domestic water use, total rainfall and average temperature from Muscat was taken for this study. The transfer function models aim to describe the relationship between input and output systems using a ratio of the polynomials representing the Laplace Transforms of the output, input and the noise in the system. Total rainfall and average temperature were considered as the input series and the domestic water use as an out series. The input series were pre-whiten using Seasonal Autoregressive Integrated Moving Average (SARIMA) models which were identified by Sample Autocorrelation (SAC) and Partial Sample Autocorrelation (PSAC). Four preliminary transfer function models were postulated to describe the output series. The graphs of Sample Cross Correlation (SCC) of water use with rainfall and temperature were made. The final transfer function model was identified by investigating the Residual Sample Cross Correlation (RSSC) which had the form SARIMA(1,1,1)x(1,1,1). This model was then used to generate twelve months out of sample forecasts. The accuracy of forecast error was assessed by mean absolute deviation (MAD), mean square error (MSE) and mean absolute percent error (MAPE). All of these measures had reasonably small values which were 0.105, 0.013 and 1.37% respectively.

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Arcos, Estela, Ximena Sanchez, Maria Cecilia Toffoletto, Margarita Baeza, Patricia Gazmuri, Luz Angélica Muñoz und Antonia Vollrath. „Social protection systems in vulnerable families: their importance for the public health“. Revista de Saúde Pública 48, Nr. 3 (Juni 2014): 398–405. http://dx.doi.org/10.1590/s0034-8910.2014048005131.

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OBJECTIVE To analyze the effectiveness of the Chilean System of Childhood Welfare in transferring benefits to socially vulnerable families. METHODS A cross-sectional study with a sample of 132 families from the Metropolitan Region, Chile, stratified according to degree of social vulnerability, between September 2011 and January 2012. Semi-structured interviews were conducted with mothers of the studied families in public health facilities or their households. The variables studied were family structure, psychosocial risk in the family context and integrated benefits from the welfare system in families that fulfill the necessary requirements for transfer of benefits. Descriptive statistics to measure location and dispersion were calculated. A binary logistic regression, which accounts for the sample size of the study, was carried out. RESULTS The groups were homogenous regarding family size, the presence of biological father in the household, the number of relatives living in the same dwelling, income generation capacity and the rate of dependency and psychosocial risk (p ≥ 0.05). The transfer of benefits was low in all three groups of the sample (≤ 23.0%). The benefit with the best coverage in the system was the Single Family Subsidy, whose transfer was associated with the size of the family, the presence of relatives in the dwelling, the absence of the father in the household, a high rate of dependency and a high income generation capacity (p ≤ 0.10). CONCLUSIONS The effectiveness of benefit transfer was poor, especially in families that were extremely socially vulnerable. Further explanatory studies of benefit transfers to the vulnerable population, of differing intensity and duration, are required in order to reduce health disparities and inequalities.

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Hogan, Eleonora, Andrew Lipnik, Sarah Anstead und Robert Kennedy. „A Solution for Discontinuous Sample Splitting and Dilution with the Biomek(r) 2000“. Journal of Biomolecular Screening 3, Nr. 2 (März 1998): 107–38. http://dx.doi.org/10.1177/108705719800300207.

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A program has been written to transfer a set of discontinuous samples in 96-well storage plates to archival plates using an 80-well format. One thousand samples per day can be processed in this manner. The software can handle different sample volumes, random sample locations, and varying concentrations. This program was implemented on a Beckman (Fullerton, CA) Biomek(r) 2000 Laboratory Automation Workstation* using Beckman's BioScript software, BioWorks 1.4A, Tool Command language, and Microsoft (Redmond, WA) Visual Basic™. This system provides an effective means of selecting and transferring discrete samples.

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Kang, Zhi Qiang, und Shi Yi He. „The Soil and Vegetation Effect on Carbon Transfer Path in Epigenic Karst System“. Advanced Materials Research 726-731 (August 2013): 3732–36. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.3732.

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It was proved that karst processing during groundwater cycle is one of carbon sinks to the atmosphere CO2. To understand the carbon transfer path among the three phases of air, carbonate rocks and karst groundwater in epigenic karst system is very important for mechanic studies of karst carbon sink. There are 8 carbon stable isotope sample sites, including 5 groundwater sites and 3 gaseous CO2 sites in Banzhai river catchment. The total 41 samples, including 38 karst water samples and 3 CO2 samples are acquired in a whole hydrological year of 2010. 4 couples CO2 partial pressure including free air and soil air are tested in site. Based on analysis the carbon stable isotope and CO2 partial pressure data above, it is found that the mostly carbon in free air and karst water is from soil air. The carbon transfer path in epigenic karst system can be divided into 4 steps: 1 the photosynthesis of vegetation take CO2 from free air; 2 the respiration of plant roots and decomposition of humic substance release CO2 to soil layer; 3 the gaseous CO2 is transfer to liquid HCO3- negion by karst process during the water cycle; 4 the bicarbonate in groundwater move to river or ocean fellow the groundwater flow. The forest and soil takes a booster pump action increasing the CO2 partial pressure from free air to soil and it is very important in karst process.

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Guo, Hong Liang, und Shao Ying Kong. „Design and Realization of Efficient USB Data Transmission System Based on VB“. Advanced Materials Research 846-847 (November 2013): 1531–33. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.1531.

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When chip microcomputer and DSP sample much data in some certain environment, it is not possible to transfer the data with high efficient when using the old communication method because they call the top-level function. In this paper, a new communication method with VB and USB is proposed. It calls DLL function to configure and read/write from the hardware directly. With software improved, the method becomes better, the transfer speed can be 11.2Mbps, which is more fast than public 8.1Mbps, so the transfer efficient is improved by 38.3% with this new method.

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Vuong, Thach, Brandon Huey-Ping Cheong, So Hung Huynh, Murat Muradoglu, Oi Wah Liew und Tuck Wah Ng. „Drop transfer between superhydrophobic wells using air logic control“. Lab on a Chip 15, Nr. 4 (2015): 991–95. http://dx.doi.org/10.1039/c4lc01273a.

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Fu, Ke, und James K. Mills. „A Convex Approach Solving Simultaneous Mechanical Structure and Control System Design Problems With Multiple Closed-loop Performance Specifications“. Journal of Dynamic Systems, Measurement, and Control 127, Nr. 1 (16.06.2004): 57–68. http://dx.doi.org/10.1115/1.1876493.

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In this paper, a new integrated design method, referred to as the extended multiple simultaneous specification (EMSS) method, is proposed to solve simultaneous mechanical structure and control system design problems in which a set of n multiple closed-loop performance specifications must be simultaneously satisfied. To utilize this approach, all closed-loop performance specifications considered must have the property that they are convex with respect to the closed-loop system transfer matrix. With the proposed approach, a simply implemented two-stage design approach is used to determine a set of open-loop mechanical system design parameters and a closed-loop controller which simultaneously satisfies a set of n closed-loop performance specifications. In the first stage, for each closed-loop performance specification, one “sample system,” i.e., the closed-loop system with one set of mechanical design parameters with a closed-loop controller chosen from the set of all linear controllers, is determined by trial and error, such that the specification is satisfied. In the second stage, the transfer matrix of the final system, which satisfies all n performance specifications, is determined through the convex combination of the transfer matrices of n sample systems. A linear programming problem is solved to give the combination vector for this convex combination. With the closed-loop transfer matrix given, the mechanical design parameters, the closed-loop controller structure and its gains, are solved algebraically. In this paper, we establish conditions for the existence of a solution to this integrated design problem as well as prove that the EMSS approach retains the stability properties of the sample systems. Experimental results of the EMSS method, carried out on a linear positioning system are given, verifying the effectiveness of the proposed method. We note that the proposed EMSS method works well when the number of design parameters to be determined is small. Further, the proposed EMSS method also has some utility as a controller design method, to determine a closed-loop controller that satisfies a set of n multiple closed-loop performance specifications, given a fixed mechanical system structure.

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Chen, Ya, Chris Frethem und Stanley L. Erlandsen. „Modifications Needed for Performing High-Resolution Cryosem in a Hitachi S-4700 Fesem Using an Emitech K1250 Cryo-Preparation System“. Microscopy and Microanalysis 7, S2 (August 2001): 720–21. http://dx.doi.org/10.1017/s1431927600029676.

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Cryo-techniques have been successfully used in scanning electron microscopy (SEM). They are especially promising for high-resolution SEM to improve specimen preservation and reduce radiation damage [1, 2]. A number of cryo-preparation systems are commercially available for SEM, however, our experience has shown that modifications are needed to perform highresolution imaging (>50,000x).Emitech K1250 system consists of a sample preparation chamber, control unit, and cryo-stage. Magnetron sputter coating is standard and electron-beam evaporation is optional. A vacuum transfer device facilitates the sample transfer between the preparation chamber and the SEM to prevent contamination. The Emitech cryo-stage replaces the Hitachi S-4700 standard stage and the cryo-stage temperature is monitored and controlled by the Emitech control unit.The specimen is mounted on a sample holder that mounts to the cryo-stage. Therefore, the distance from the specimen to cryo-stage, the thermal capacity of the sample holder, and the thermal contact between them will affect the actual temperature of the specimen.

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Frisk, Thomas, David Rönnholm, Wouter van der Wijngaart und Göran Stemme. „A micromachined interface for airborne sample-to-liquid transfer and its application in a biosensor system“. Lab Chip 6, Nr. 12 (2006): 1504–9. http://dx.doi.org/10.1039/b612526n.

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Alfiah, Fia Ismi Nur, Dinda Salsabila P und Frida Agung Rakhmadi. „Design and Characterization of Resistance Sensor to Optimize the Manufacturing of Infuse Water Lemon and Sprite Water Lymon Detection System“. Proceeding International Conference on Science and Engineering 3 (30.04.2020): 9–11. http://dx.doi.org/10.14421/icse.v3.458.

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This research was purposed to design and characterize a resistance sensor. This research was conducted with three phases: designing, manufacturing and characterization of resistance sensor. Sensor design was done using the 3D paint software. The tools used in sensor manufacturing were PCB, resistors, and copper wire. The tools used in sensor characterization were power supply, ohmmeter and samples of infuse water lemon and sprite water lymon. Sensor characterization was done by varying samples of 50ml, 100ml, 150ml. Data acquisition for each of samples was repeated 3 times. The result of this research was showed an average and unpredictability with the repeatability resistance sensor on the sample of infuse water lemon (1,215 ± 0,723) V with repeatability 99.05% while for samples of sprite water lymon amounting to (1,12 ± 1,345) V with repeatability 99.24%. And was retrieved the value of the transfer function for sample infuse water lemon is y = (4,757-0.03542x) and for sample sprite water lymon is y = (1.40666-0.0028666x). This tool can be developed as a detection tool using resistance-based sensors.

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Miyanishi, Koichiro, Takuya F. Segawa, Kazuyuki Takeda, Izuru Ohki, Shinobu Onoda, Takeshi Ohshima, Hiroshi Abe et al. „Room-temperature hyperpolarization of polycrystalline samples with optically polarized triplet electrons: pentacene or nitrogen-vacancy center in diamond?“ Magnetic Resonance 2, Nr. 1 (17.02.2021): 33–48. http://dx.doi.org/10.5194/mr-2-33-2021.

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Abstract. We demonstrate room-temperature 13C hyperpolarization by dynamic nuclear polarization (DNP) using optically polarized triplet electron spins in two polycrystalline systems: pentacene-doped [carboxyl-13C] benzoic acid and microdiamonds containing nitrogen-vacancy (NV−) centers. For both samples, the integrated solid effect (ISE) is used to polarize the 13C spin system in magnetic fields of 350–400 mT. In the benzoic acid sample, the 13C spin polarization is enhanced by up to 0.12 % through direct electron-to-13C polarization transfer without performing dynamic 1H polarization followed by 1H−13C cross-polarization. In addition, the ISE has been successfully applied to polarize naturally abundant 13C spins in a microdiamond sample to 0.01 %. To characterize the buildup of the 13C polarization, we discuss the efficiencies of direct polarization transfer between the electron and 13C spins as well as that of 13C−13C spin diffusion, examining various parameters which are beneficial or detrimental for successful bulk dynamic 13C polarization.

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