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Pilot Study Evaluating the Use of a Commercially Available Oral Nutritional Supplement in the Management of Chronic Kidney Disease in Cats

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Open Journal of Veterinary Medicine 2022年第2期12卷 7-17页

作者： Crystal M. Cooley Jessica M. Quimby Stacie Summers Michael R. Lappin VCA Midwest Veterinary Referral and Emergency Center Omaha NE USA Department of Veterinary Clinical Sciences The Ohio State University Veterinary Medical Center Columbus OH USA Department of Clinical Sciences Carlson College of Veterinary Internal Medicine Oregon State University Corvallis OR USA Department of Clinical Sciences College of Veterinary Medicine and Biomedical Sciences Colorado State University Fort Collins CO USA

Purpose: To determine if cats with chronic kidney disease (CKD) would willingly consume an oral nutritional supplement formula (NS-CKD) and to assess associated effects on select clinical and biochemical parameters. Methods: Client-owned cats with CKD classified as International Renal Interest Society (IRIS) stage 2 (n = 7), IRIS stage 3 (n = 12), or IRIS stage 4 (1 cat) were classified by the owners as having normal or variable appetites. The cats were offered 30 ml NS-CKD for 14 days concurrently with a meal in a separate bowl and the amount of the NS-CKD consumed daily was recorded. Bodyweight, physical examination, and serum biochemical profiles were assessed on Days 0, 7, and 14. Results: Greater than 50% of the NS-CKD was consumed by 14 of 20 (70%) cats and 12 of 20 cats (60%) consumed >80% of the NS-CKD. The total volume of NS-CKD consumed over the course of the study was statistically greater for the cats classified by owners as having normal appetite (P = 0.046). Increases in body weight were noted for 9 of 14 cats (64.3%) that ingested >50% of the NS-CKD and 1 of 6 cats (16.7%), that ingested ≤ 50% (p = 0.1409) and the group mean % change in body weight was greater in the cats that ingested >50% of the NS-CKD (P = 0.023). The volume of NS-CKD consumed correlated to the % change increases in serum bicarbonate concentration (R = 0.4998;P = 0.02) and was weakly correlated to % change decreases in serum phosphorus concentration (R = 0.0406;P = 0.08). Conclusions: In this pilot study, the NS-CKD was accepted by most cats, no adverse effects were noted, and several findings suggest that the product was associated with ameliorating some metabolic complications which suggest it could be considered in the management of cats with CKD.

关键词： Chronic Kidney Disease Feline Phosphate binder

Reclamation of Foundry Sand by Dry Type Vibration Method

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昆明理工大学学报（自然科学版） 1990年第3期31卷 2-7页

作者： Nobuhisa TSUTSUMI Dr.Eng Sun Kewei

Influences of frequency,amplitude,vibrating time,moisture in sand,thickness of sand layer and pretreatment of high frequency vibration and heating on sand reclamation were *** binder layers around sand grains are completely removed and original sand grains remain unbroken by vibration at a certain frequency and *** of sand reclamation by the vibration method is correlated to the vibration force which depends on the combination of frequency and amplitude to a great *** optimum vibration condition is limited by the capacity of *** of used sand is *** thickness of used sand is an important *** of used sand are also ***,preheating in a certain temperature range is preferable to preliminary vibration at high frequency.

关键词： vibrating heating grains pretreatment preliminary removed binder moisture 志石振幅比

Bicarbonate levels in hemodialysis patients switching from lanthanum carbonate to sucroferric oxyhydroxide

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World Journal of Nephrology 2018年第6期7卷 123-128页

作者： Aristeidis Stavroulopoulos Vasiliki Aresti Christoforos Papadopoulos Panagiotis Nennes Polixeni Metaxaki Anastasios Galinas Department of Nephrology IASIO HospitalGeneral Clinic of Kallithea

AIM To examine possible alterations in acid-base parameters in patients switching from lanthanum carbonate(LanC) to sucroferric oxyhydroxide(SFOH). METHODS Fifteen stable hemodialysis patients were switched from LanC to SFOH. Only nine continued on SFOH, three returned to LanC and the other three switched to sevelamer carbonate. The later six patients served as a control group to the SFOH group of nine patients. Blood was sampled on the 3-d and the last 2-d interval of the week prior to switching and six weeks after. Bicarbonate levels(HCO_3^-), pH, pO_2, pCO_2 were measured, and the mean of the two measurements(3-d and 2-d interval) was calculated. RESULTS Comparing pre-switching to post-switching measurementsin the SFOH group, no statistically significant differences were found in any of the parameters studied. The mean pre-switching HCO_3^-was 22.41 ± 1.66 mmol/L and the mean post-switching was 22.62 ± 2.25 mmol/L(P = 0.889). Respectively, the mean pH= 7.38 ± 0.03 vs 7.39 ± 0.03(P = 0.635), mean pCO_2= 38.41 ± 3.29 vs 38.37 ± 3.62 mmHg(P = 0.767), and Phosphate = 1.57 ± 0.27 vs 1.36 ± 0.38 mmol/L(P = 0.214). There were not any significant differences when we performed the same analyses in the control group or between the SFOH group and control group. No correlations were found, either between pre-switching LanC daily dose or between postswitching daily dose of the new binder and the measured *** In our small study, switching from LanC to SFOH did not have any significant effect on blood bicarbonate levels and gas analysis, indicating that there is no need to change hemodialysis prescription regarding these parameters.

关键词： Gas analysis Hemodialysis Lanthanum carbonate Acidosis Bicarbonate Phosphate binder Sucroferric oxyhydroxide

Improvement of Asphalt Properties Using Polymethyl Methacrylate

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Open Journal of Organic Polymer Materials 2014年第2期4卷 43-54页

作者： Reda A. Haggam Ismail M. Ibrahim Mohamed El-Shafie Abdelatif Abd El Latief M. Abd Elrhman Sanaa A. El-Kholy Department of Chemistry Faculty of Science Zagazig University Zagazig Egypt Egyptian Petroleum Research Institute (EPRI) Nasr City Cairo Egypt

Increasing traffic loading and volumes on roads have led to the use of polymer modified binders to improve the performance of bitumen in terms of strength, durability, and resistance to rutting. This research studies the effect of adding poly methyl methacrylate (PMMA) with different molecular weights on asphalt properties. PMMA polymer was prepared via solution polymerization of MMA using dibenzoyl peroxide (DBPO) as initiator. By controlling the time of reaction, two different molecular weights were obtained: PMMA1 and PMMA2 with Mw 21.000 and 30.000, respectively. The morphological studies of polymer modified binder were discussed. Physical properties of PMMA modified asphalt including penetration value, softening point, and kinematic viscosity at 135°C and 150°C were examined. The aging properties of polymer modified asphalts were examined using thin film oven test (TFOT). A hot storage stability test was carried out for polymer modified binder. Indirect tensile strength (ITS) test and durability performance of modified asphalts were evaluated using Marshall Test. Resilient modulus (RM) test was evaluated using Universal Testing Machine. Results showed that the inclusion of PMMA polymer in asphalt binder has significantly improved its properties. The achieved improvement was found to be dependent on polymer molecular weight. Moreover, the results explained that the compatibility between PMMA and asphalt binder is improved upon further aging especially with low molecular weight polymer (PMMA).

关键词： Asphalt binder Rutting PMMA TFOT Ageing

Technological and Environmental Behavior of Coal Fly Ash in Lime-Based Materials

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Geomaterials 2022年第2期12卷 15-29页

作者： Mamoudou Sall Gora Dieye Alassane Traoré Prince Momar Gueye Saliou Diouf Abdou Ciss Wade Djibril Diop Laboratory of X-Ray Department of Physics Faculty of Sciences and Techniques Cheikh Anta Diop University Dakar Senegal Institute of Applied Nuclear Technology Department of Physics Faculty of Sciences and Techniques Cheikh Anta Diop University Dakar Senegal Laboratory of Civil Engineering Materials High Polytechnic School Cheikh Anta Diop University Dakar Senegal

Coal fly ash is considered an industrial by-product derived from coal combustion in thermal power plant. It is one of the most complex anthropogenic materials. Its improper disposal has become an environmental concern and resulted in a waste of recoverable resources. The aim of this paper is to study the physico-chemical characteristics of binders based on coal fly ash and lime in order to develop an eco-cement. The various characterization tests carried out are X-ray fluorescence, X-ray diffraction, compressive strengths, thermophysical properties and setting time. X-ray fluorescence and X-ray diffraction were used to determine the chemical composition and phases of fly ash, lime and binders. This allowed us to see that the chemical composition of fly ash is similar to that of cement. Compressive strengths of mortars containing 20%, 40%, 60% and 80% of fly ash have shown that fly ash has a long-term positive effect which might be related to a pozzolanic activity. The L3 binder consisting of 60% of coal fly ash and 40% lime has a higher compressive strength than the others. The binder setting start time is greater than that of cement but shorter than that of lime. The study of the thermophysical properties of the L3 binder shows that it has a higher thermal resistance than cement mortar. Moreover, it heats up less quickly because of its low effusivity compared to that of the latter. This analysis highlighted the principal characteristics that must be taken into account to use coal fly correctly in lime-based materials.

关键词： Coal Fly Ash Lime binder X-Ray Fluorescence X-Ray Diffraction Thermomechanical Behavior

Optimization of the Bitumen Content of a Basaltic Semi-Granular Bituminous Concrete

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Open Journal of Civil Engineering 2018年第4期8卷 460-472页

作者： Souleymane Mbengue Djibril Sow Ibrahima Khalil Cisse Experimental Research and Study Center for Equipment Ministry of Infrastructure Thiès Senegal University Institute of Technology University of Thiès Thiès Senegal Polytechnic School of Thiès Ministry of Higher Education Research and Innovation Thiès Senegal

Various studies have been conducted in the past by researchers who have proposed diverse solutions to control the premature degradation noted on flexible pavements. It turns out that the binder content remains a parameter so far not mastered and its optimization remains an imperative to produce a quality mix capable of meeting the technical and economic requirements sought in a formulation study. This article mainly aimed to optimize the hydrocarbon binder content of a 0/14 granular class semi-granular bituminous concrete using the Marshall and Duriez method. In the first part of the study, the different constituents were characterized according to the standards in force. The second allowed to describe the methodology used to determine the mixture and calculated the theoretical binder content. A theoretical mixture, entering the reference zone was defined at first. Following the characterization of the mixture in the laboratory, the granulometry curve of the mixture was inserted into the reference zone. This mixture was then preserved for the rest of the study. Then, it was theoretically determined bitumen contents ranging from 5.13% to 5.75% for wealth modules ranging from 3.3% to 3.7%. Thus, the Marshall method was used to characterize the performance of the mixture as a function of the binder content. The results obtained led to the selection of two grades of binders 5.13% and 5.28% for the study of water resistance using the Duriez method. On the basis of the results obtained on the Duriez test, the mixture with a binder content of 5.28% satisfies a good part of the criteria selected. This content corresponds to a wealth module of 3.4%.

关键词： Optimize binder Bituminous Concrete Spindle Marshall Duriez Wealth Module

Granulation Technology of Raw Material for Sinter Ore in Tobata No.3 Sinter Plant

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Granulation Technology of Raw Material for Sinter Ore in Tob...

Light Weight Insulating Material Prepared from Rice Husk

第八届（2011）中国钢铁年会

作者： Osamu Ishiyama Kenichi Higuchi Kazuyuki Shinagawa Kohichi Ooyama Environmental and Process Technology Center Nippon Steel Corporation Yawata Works Nippon Steel Corporation

One of our key tasks in Tobata No. 3 Sinter Plant in Yawata Works, Nippon Steel Corp., is to reduce the consumption of expensive burnt lime, which is abundantly used to ensure the permeability of sinter beds. Conversely, as shown by many previous studies concerning the binder of raw material for sinter ore, no alternative to burnt lime has yet been developed and implemented. In this report, the development of a new binder that allows us to realize the intensified granulation of a raw material, its performance under lab-examination and the test operation of an actual plant are presented. Lab-examination results showed that the granular index can be improved when dispersant is added compounded together with micro-particles, and the highest effect on productivity improvement was identified in the pot test. An actual plant test was also implemented, targeting a reduction in burnt lime, through the improved permeability of sinter beds and with the intensified granulation of raw materials employing this new binder（micro-particles addition plus dispersant）. It was confirmed that a reduction of approximate 10 kg/t-sinter in burnt lime consumption unit could be achieved as productivity and sinter ore strength were maintained at an approximately constant level and operation stably secured. Meanwhile, the granulation index of the compounding raw materials and the permeability before ignition were retained at levels equivalent to those in the case of the base. Furthermore, synthetic binder consumption unit, including burnt lime and micro-particles additives, was reduced approximately 6 kg/t-sinter despite of adding micro-particle additives amounting to 4.3 kg/t-sinter.

关键词： granulation binder micro-particles

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Journal of Environmental Science and Engineering 2011年第7期5卷 882-885页

作者： I. Bhatti K. Qureshi M.S. Shaikh Department of Chemical Engineering Mehran University of Engineering and Technology Jamshoro Sindh 76062 Pakistan

Pakistan is at 12th number in the rank of rice production countries. Along with the production of 4,500 thousand metric tons of rice enormous quantity of rice husk is left as waste. Light weight thermal insulating material was prepared from rice husk. Epoxy resin was used as a binder and was mixed with rice husk to give it strength, the sample was compressed at 7000 psi to produce cylindrical shape block. The thermal conductivity of the sample A, B, C and D of thickness 1, 2, 3 and 4 cm respectively was measured 0.0241, 0.0240, 0.239 and 0.0219 watts/m-k, which was lower than the common mortar by 51.74%, therefore it could be used in buildings and roof as an insulating material. This would be a suitable alternative which would not only save energy but also solve the environmental disposal problems as well. The results are very promising and we hope insulation material prepared would be useable in hot climate regions like Pakistan in buildings to prevent heat transfer.

关键词： Insulating material binder thermal conductivity.

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Android系统服务信息分层获取方法

计算机工程与应用 2021年第12期57卷 99-104页

作者：郭芷含罗森林柯懂湘秦枭喃北京理工大学信息与电子学院北京100081

获取Android系统服务关键信息有利于实现对Android系统的漏洞挖掘和安全评估。为解决当前系统服务关键信息获取方法存在系统源码依赖度高、兼容性差导致的信息获取不全面的问题,提出一种Android系统服务信息分层获取方法。该方法通过在A... 详细信息

获取Android系统服务关键信息有利于实现对Android系统的漏洞挖掘和安全评估。为解决当前系统服务关键信息获取方法存在系统源码依赖度高、兼容性差导致的信息获取不全面的问题,提出一种Android系统服务信息分层获取方法。该方法通过在Android系统的应用层、框架层和内核层分别建立完整的binder通信行为监控视图,解析服务依赖关系、服务进程信息与接口参数规范,在不依赖源码的前提下实现系统服务关键信息的自动化获取。在多个Android设备中进行系统服务关键信息获取实验,结果表明该方法能全面地获取多项系统服务关键信息,具备更强的实用性。

关键词： Android 系统服务关键信息获取 binder