Relevant bibliographies by topics / Injected Volume

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Academic literature on the topic 'Injected Volume'

Author: Grafiati
Published: 25 May 2024

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Journal articles on the topic "Injected Volume"

1

Shi, Fang, Yang Zhao, Qinghua Tang, and Ximing Xie. "Experiment Research of Microbial Flooding Injected Capacity and Injected Volume." IOP Conference Series: Earth and Environmental Science 108 (January 2018): 032075. http://dx.doi.org/10.1088/1755-1315/108/3/032075.

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2

Awadeesian, Awadees M. R., Salih M. Awadh, Moutaz A. Al-Dabbas, Mjeed M. Al-Maliki, Sameer N. Al-Jawad, and Abdul-Kareem S. Hussein. "A MODIFIED WATER INJECTION TECHNIQUE TO IMPROVE OIL RECOVERY: MISHRIF CARBONATE RESERVOIRS IN SOUTHERN IRAQ OIL FIELDS, CASE STUDY." Iraqi Geological Journal 52, no. 1 (2019): 125–46. http://dx.doi.org/10.46717/igj.52.1.8ms-2019-06-30.

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A modified water injection technique has organized by this study to improve oil recovery of the Mishrif reservoirs using polymerized alkaline surfactant water (PAS-Water) injection. It is planned to modify the existing water injection technology, first to control and balance the hazardous troublemaker reservoir facies of fifty-micron pore sizes with over 500 millidarcies permeability, along with the non-troublemaker types of less than twenty micron pore sizes with 45 to 100 millidarcies permeability. Second to control Mishrif reservoirs rock-wettability. Special core analysis under reservoir conditions of 2250 psi and 90 °C has carried out on tens of standard core plugs with heterogeneous buildup, using the proposed renewal water flooding mechanism. The technique assures early PAS-water injection to delay the water-breakthrough from 0.045 – 0.151 pore volumes water injected with 8 – 25% oil recovery, into 0.15 – 0.268 pore volumes water injected with 18 to 32% improved oil recovery. As well as, crude oil-in-water divertor injection after breakthrough, within 0.3 to oil0.65 – 0.85-pore volume of water injected to decrease water cut 1 four 0 to 15%. The overall progress of the PAS-water injection has achieved residual oil mobility of 65%, and upgraded the 35 – 50% oil recovery range by less than three pore volume water injected with 20 – 60% water cut, compared with the same oil recovery range by more than ten pore volume water injected with around 70% water cut. The ultimate oil recovery improved by this technique is from 70% via more than 20 pore volume water injected with over 95% water cut by usual water injection, to 85 – 90% via 6.4 pore volume water injected with over 90% water cut by the modified water injection. The technique succeeded to lower the end-point mobility ratio to 1.5 from above five by usual water injection. It is highly recommended to use ten micron mesh filter at the main injection site and four or five micron mesh filter at the injector sites; to avoid more than 80% of the suspended particles and save as much as possible the overall reservoir facies from permeability damage.
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3

Gupta, Sanjiv Kumar, Ajai Kumar, and Arun Kumar Sharma. "Intravitreal injections: volume injected Vs. volume retained and its implications." IP International Journal of Ocular Oncology and Oculoplasty 4, no. 3 (2018): 121–23. http://dx.doi.org/10.18231/2581-5016.2018.0030.

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4

Lai, Grace Y., William Chu Kwan, Karolina Piorkowska, et al. "Prediction of persistent ventricular dilation by initial ventriculomegaly and clot volume in a porcine model." Journal of Neurosurgery: Pediatrics 29, no. 3 (2022): 237–44. http://dx.doi.org/10.3171/2021.9.peds2190.

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OBJECTIVE While intraventricular hemorrhage (IVH) is associated with posthemorrhagic ventricular dilation (PHVD), not all infants affected by high-grade IVH develop PHVD. The authors aimed to determine clot-associated predictors of PHVD in a porcine model by varying the amount and rate of direct intraventricular injection of whole autologous blood. METHODS Seven 1-week-old piglets underwent craniectomy and injection of autologous blood into the right lateral ventricle. They survived for a maximum of 28 days. MRI was performed prior to injection, immediately postoperatively, and every 7 days thereafter. T1-weighted, T2-weighted, and susceptibility-weighted imaging (SWI) sequences were used to segment ventricular and clot volumes. Spearman correlations were used to determine the relationship between blood and clot volumes and ventricular volumes over time. RESULTS The maximum ventricular volume was up to 12 times that of baseline. One animal developed acute hydrocephalus on day 4. All other animals survived until planned endpoints. The interaction between volume of blood injected and duration of injection was significantly associated with clot volume on the postoperative scan (p = 0.003) but not the amount of blood injected alone (p = 0.38). Initial postoperative and day 7 clot volumes, but not volume of blood injected, were correlated with maximum (p = 0.007 and 0.014) and terminal (p = 0.014 and 0.036) ventricular volumes. Initial postoperative ventricular volume was correlated with maximum and terminal ventricular volume (p = 0.007 and p = 0.014). CONCLUSIONS Initial postoperative, maximum, and terminal ventricular dilations were associated with the amount of clot formed, rather than the amount of blood injected. This supports the hypothesis that PHVD is determined by clot burden rather than the presence of blood products and allows further testing of early clot lysis to minimize PHVD risk.
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5

Sangras, R., O. C. Kwon, and G. M. Faeth. "Self-Preserving Properties of Unsteady Round Nonbuoyant Turbulent Starting Jets and Puffs in Still Fluids." Journal of Heat Transfer 124, no. 3 (2002): 460–69. http://dx.doi.org/10.1115/1.1421047.

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The self-preserving properties of round nonbuoyant turbulent starting jets, puffs, and interrupted jets were investigated both experimentally and theoretically for flows in still and unstratified environments. The experiments involved dye-containing fresh water sources injected into still fresh water within a large windowed tank. Time-resolved video images of the flows were obtained using a CCD camera. Experimental conditions were as follows: jet exit diameters of 3.2 and 6.4 mm, jet exit Reynolds numbers of 3000–12,000, jet passage lengths in excess of 50 injector passage diameters, volume of injected fluid for puffs and interrupted jets up to 191 source diameters, and streamwise penetration lengths up to 140 source diameters. Near-source behavior varied significantly with source properties but the flows generally became turbulent within 5 source diameters from the source and self-preserving behavior was generally observed at distances greater than 20–30 source diameters from the source. Within the self-preserving region, both the normalized streamwise penetration distance and the normalized maximum flow radius varied as functions of time in agreement with estimates for self-preserving turbulent flows to the following powers: 1/2 for starting nonbuoyant jets and 1/4 for nonbuoyant puffs and interrupted jets. Effects of injected fluid quantity for self-preserving puffs and interrupted jets could be handled by correlating the location of the virtual origin as a function of the volume of the injected fluid represented by the number of passage lengths of injected fluid. In particular, the virtual origin for puffs was independent of injected fluid volume for injected passage lengths less than 120 but became proportional to the injected fluid volume thereafter, defining a boundary between puff and interrupted-jet behavior.
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6

Self, Mitchell, James Mooney, John Amburgy, et al. "Analysis of injected cement volume and clinical outcomes following kyphoplasty for vertebral compression fractures." Surgical Neurology International 11 (March 28, 2020): 56. http://dx.doi.org/10.25259/sni_22_2020.

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Background: It has been suggested that greater volumes of cement injected during kyphoplasty correlate with improved vertebral body height restoration and kyphotic angulation correction. However, there is little evidence tying cement volume to patient outcomes. Here, we analyzed the association between cement volume and outcome utilizing indices of pain, disability, and quality of life. Methods: One hundred and thirty-six patients undergoing kyphoplasty were analyzed retrospectively. The total volume of bone cement injected was recorded intraoperatively for each patient; the average total cement volume was 5.44 cc. Pre- and postoperative outcome indices were documented, using the visual analog scale (VAS), Roland-Morris disability index (RMDI), and the EuroQol 5 Dimension instrument (EQ5D). Pearson’s correlations and linear regression models were derived for the association of total cement volume with each of the patient outcome measures. This was a retrospective cohort study. Results: The average change in VAS, RMDI, and EQ5D scores for all patients was −6.8, +8.3, and +0.41, respectively. For VAS, RMDI, and EQ5D improvements, neither Pearson’s correlations nor multiple linear regression models revealed a correlation or an association with total cement volume. Conclusion: For patients undergoing kyphoplasty, outcomes were not associated with the total injected cement volume; all had a significant reduction in pain and most exhibited decreased disability with improved quality of life.
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7

Zahidul I. Bhuiyan, Mohammad, Shanyong Wang, Scott W. Sloan, John Carter, and Tabassum Mahzabeen Raka. "Effects of grout injection techniques in pressure grouted soil nail system." E3S Web of Conferences 92 (2019): 17010. http://dx.doi.org/10.1051/e3sconf/20199217010.

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The use of pressure grouting techniques in the soil reinforcement system is frequent as it has many advantages over gravity grouting. Pressure grouting can be injected by pressure and volume (flow) controlled techniques. A preliminary study was conducted for a newly developed pressure grouted soil-nail system, where a latex membrane was used as a liner around the grouting outlet to form a Tube a Manchette (TAM) for direct injection of grout into sand. In addition, a grout bag was formed with the membrane to prevent the grout injection into the sand for simulating a compaction grouting. In the investigation, a newly developed volume controlled injection system was used to inject the cement grout into the sand or grout bag for a specified flow rate and the interaction of injected grouted with the soil mass (i.e., soil stress state) was monitored by the installed total earth pressure cell around the grout outlets. From the investigation, it was found that the injected grout volume was much less for the soil-nail (TAM) than that with a grout bag around for a certain flow rate. In addition, the preliminary results indicated that the pullout capacity of the pressure grouted soil-nail controlled by the injected grout volume (grout bulb).
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8

Bencivenga, Michael A., Philip A. Bowling, Jimmy O. Fiallos, et al. "Investigation of Various Intramuscular Volumes Delivered to the Semimembranosus Muscle of Cavia porcellus." Journal of the American Association for Laboratory Animal Science 59, no. 3 (2020): 310–21. http://dx.doi.org/10.30802/aalas-jaalas-19-000101.

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The goal of this study is to provide quantitative data on the ideal volume for intramuscular (IM) injections into the semimembranosus muscle of guinea pigs weighing between 320 to 410 grams. This evaluation comprised 2 experiments. The first was to assess dispersion leakage of intramuscularly injected iohexol, a radiocontrast agent commonly used in Computed Tomography (CT), based on analysis of in vivo imaging. The second used varying volumes of intramuscularly injected sodium chloride (0.9% NaCl) to assess pain and pathology associated with IM injection. Hartley guinea pigs were injected IM with varying volumes of either iohexol or sodium chloride (150, 300, 500, 1000 and 1500 μL). In the iohexol experiment, results suggest IM volumes of 150 and 300 μL remain within the target muscle. In the experiment using sodium chloride, pain and pathology did not increase as IM volume increased. The pathology noted was related to needle tract through the musculature rather than the volume size of the injectate. The results did not reveal a correlation between volume of IM 0.9% NaCl and pain levels. We conclude that volume size correlates more with precision and accuracy of delivery into the intended muscle tissue. Regarding tissue distribution, our findings also suggest that the optimal capacity for IM injection in the semimembranosus muscle should be less than 500 μL.
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9

Lutsky, Kevin F., Fred Liss, Jack Graham, and Pedro K. Beredjiklian. "Volume of the Thumb Carpometacarpal Joint." Journal of Wrist Surgery 09, no. 01 (2019): 019–21. http://dx.doi.org/10.1055/s-0039-1693043.

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Background The volume of the carpometacarpal joint of the thumb (TCMC) and its capacity to accommodate fluid injection is unknown. Questions/Purpose The purpose of the present study is to assess the volume of the TCMC. Methods Forty-two thumbs undergoing surgical treatment for symptomatic TCMCJ osteoarthritis (OA) were evaluated. Prior to the start of the surgical procedure saline was injected into the TCMC until resistance was felt and no further saline could be injected. The maximum volume (MaxVol) of injectate was measured and recorded. Results Mean MaxVol among all patients was 0.9 cc (range: 0.2–3.0 cc). There were 15 patients with 1 cc or more injected, the rest were less than 1 cc. The mean MaxVol for Eaton 2 thumbs was 1.5 cc, for Eaton 3 thumbs 0.9 cc, and for Eaton 4 thumbs 0.7 cc, with negative correlation between Eaton stage and MaxVol. Conclusion TCMC has limited capacity for injected fluid. Level of Evidence This is a Level II, diagnostic study.
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10

Ballo, Solveig, Tonje Hjelseng, Lena Flatlandsmo Tangen, Janne Svindal Lundbom, Trine Skarsvåg, and Vilhjalmur Finsen. "The Influence of Injected Volume on Discomfort During Administration of Digital Block." Journal of Hand Surgery (Asian-Pacific Volume) 21, no. 03 (2016): 369–73. http://dx.doi.org/10.1142/s2424835516500363.

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Background: Digital nerve block is associated with pain. In a search for methods to reduce the discomfort, we investigated how the volume of anaesthetic fluid influences pain during subcutaneous digital nerve block, and how it affects the success of the anaesthesia. Methods: A randomized blinded prospective study was performed on 36 healthy volunteers. The single injection subcutaneous digital block technique was used to anaesthetize the participants´ 4th digit on both hands. The same amount of lidocaine was used, but in two different volumes; 1 ml 2% lidocaine and 2ml 1% lidocaine. After each injection the participant was asked to estimate pain intensity on a visual analogue scale (VAS). The distribution of anaesthesia was then measured by using a Semmes-Weinstein 4.56 monofilament. Finally, participants gave a verbal assessment of which injection was least painful. Results: In total, 72 blocks were performed. There were no statistically significant differences in pain intensity or preference between the two groups. Furthermore, the 1 ml injection gave poorer anaesthesia and had longer time to onset. Neither injection anaesthetized the dorsal aspect of the proximal phalanx. Conclusions: The two volumes cause the same degree of discomfort. Greater volume gives a greater area of distribution and more rapid onset of anaesthesia. It seems unreasonable to use a smaller volume of more concentrated anaesthetic when performing the subcutaneous technique.
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