Study on the chemical method used for decreasing the permeability of polyester fabric used in vascular prostheses 化学方法降低人造血管用薄型涤纶织物渗透性的研究
By chemical method sno2-ag& sno2 bipolar membrance is propered on the carrier of glass andthe condition for the preparation of the membrance and its performance are examined. 采用化学镀膜法在玻璃截体上制备了sno2-ag-sno2复合膜,对膜的制备条件及膜性能进行了考察。
However, researchers have now found a chemical method to remove the oil without harming the parchment of the scrolls, and thus allowing precise carbon dating, said the report. 然而,研究人员现在已经发现一种化学方法,这种方法能除去油迹而不损伤古卷的羊皮纸,因此碳精确鉴定方法得以实现,政报报道。
A stable amorphous calcium phosphate ( ACP) was prepared by a wet chemical method at a low temperature in the presence of poly ( ethylene glycol)( PEG). 采用聚乙二醇(PEG)先与钙反应后,再与磷源溶液反应,在低温环境中制得无定形磷酸钙。
Electrolytic synthesis of calcium iodate was studied, and this method could avoid the disadvantage of chemical method. 采用电化学氧化法制备碘酸钙可以克服化学氧化法存在的问题。
The second-order NLO properties of a series of tri-nuclear transition metal clusters with incomplete cubane-like structures were studied by using the first-principle quantum chemical method. 研究了具有欠完整立方烷构型的过渡金属原子簇分子的二阶非线性光学性质。
Presently, the pretreatment methods of lignocellulose covered physical method, chemical method, physical& chemical method, and biological method. 目前,对木质纤维素原料的预处理方法主要有物理法、化学法、物理化学法、生物法。
Study on the Pretreatment of Wastewater from the Concentrated Pomegranate Juice Production with Chemical Method 化学法对石榴浓缩汁生产废水预处理研究
In this research, sunflower meal was used as raw material, and dietary fiber of sunflower meal were extracted by enzymatic method and chemical method. 本实验以葵花脱脂粕为原料,通过生物酶法和化学法研究葵花脱脂粕中膳食纤维的提取工艺,其中生物酶法得到的膳食纤维得率较高。
Process and application of desorption and fast gold extraction by chemical method from active carbon in ordinary pressure conditions 载金炭常压解吸化学提金工艺及其应用
The paper addresses a chemical method, by which primary cooler is so washed that the temperature of washed gas meets the requirement of the process standard. 本文叙述了采用化学的方法对初冷器进行清洗,清洗后的煤气温度可达到工艺指标要求,并且取得了良好的效。
The methods for determination of adulterated vegetable oil were introduced, such as conventional physical and chemical method, spectroscopic method, chromatography, calculate chemical method. 介绍了常规理化检测法、光谱法、色谱法、计量化学法等检验植物油掺伪的方法。
The methods to prepare satin finish including machine sandblast method and chemical method were introduced. 主要介绍了缎面制取方法中的机械喷砂法和化学法。
Determination of molar substitution of hydroxyethyl starch 130 injection with GC and chemical method 气相色谱法与化学法测定羟乙基淀粉130注射液置换度的比较
Controlled Growth of ZnO Nanorods and Nanotubes by Chemical Method on Electrodeposited Seed Layer 电沉积种子层化学控制生长氧化锌纳米棒和纳米管
Purified components were identified using physical and chemical method and spectroscopy. 用理化方法和光谱法对纯化组分进行鉴定。
Research in pad dyeing process for wool pretreated by microwave/ chemical method 微波/化学法预处理羊毛的轧染工艺研究
The Application of The Treatment Technique Combining Chemical Method With Film Method in The Treatment Process of Oily Waste Water from Cold Rolling 化学法与膜法结合处理工艺在冷轧含油废水处理中的应用
Code for design of treatment of wastewater containing heavy metals with chemical method 重金属污水化学法处理设计规范
The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry. 利用两步氧化法,首次将玉米淀粉改性为同时含羧基和醛基的氧化淀粉,为制革工业提供了一种新型的清洁化鞣剂。
At present, there were four main methods for producing citrulline: chemical method, extraction method, enzymatic and fermentation method. 目前,瓜氨酸的生产主要有化学法、提取法、酶法和发酵法。
Cleaner and No-cleaning flux is synthesized by chemical method 免清洗助焊剂、环保型清洗剂由反应釜经化学合成而成,温度
Synthesize of Negative Thermal Expansion ZrW_2O_8 Powders and Film by Chemical Method 化学法制备负热膨胀性ZrW2O8粉体及薄膜
A combination process with chemical method for phosphorus removal and SBR was applied to mobile wastewater treatment. 采用化学法除磷与SBR相结合的工艺处理汽车废水。
Comparison of Ion Chromatography method with Chemical method determining chloride in Drinking Water 仪器法与硝酸银容量法测定饮用水中氯化物的比较
Study on Micromixing Effect on Preparation Process of Ultrafine Copper Powder by Chemical Method 微混效应对化学法制备超细铜粉的影响分析
Study on the Treatment of High Concentrations of Caprolactam Organic Wastewater with Chemical Method 化学法处理高浓度己内酰胺有机废水的研究
Research on Synthesis of BN Fibers with Precursors Prepared by Wet Chemical Method 湿化学法合成先驱体制备氮化硼纤维的研究
Studies on the Technology for Extracting Dietary Fiber from Wheat Bran by a Combined Enzymatic and Chemical Method 酶-化学法从麸皮中提取膳食纤维的工艺研究