查询词典 acetic

The substance with a molecular weight of 6.28kDa has very strong cation character determined by the electrophoresis of diaphragm wafer of fiber of acetic acid. The substance with antibacteria action obtained from forest frog is made up of alanine,aminoacetic acid,leucine,Isoleucine,Proline,aminoglutaric acid,threonine,Serine,lysine.

纯化林蛙皮肤中的抗菌活性物质经醋酸纤维薄膜电泳，表明其具有较强的阳离子特征；经氨基酸分析，表明林蛙皮肤抗菌活性物质是由丙氨酸、甘氨酸、亮氨酸、异亮氨酸、脯氨酸、中国林蛙皮肤抗菌肽的分离纯化和鉴定一摘要谷氨酸、苏氨酸、丝氨酸、赖氨酸组成。

Nonaqueous titration;Aminocaproic acid;Hydrochloride;Hyperehloric acid-acetic acid;Potentiometric titration

非水滴定；6-氨基己酸；6-氨基己酸盐酸盐；冰乙酸-高氯酸；电位滴定

D., 5m. The mobile phase consisted of a ternary gradient: methanol, 0.8% acetic acid and 0.01mol/L ammonic acid.

d。，5m上，以甲醇－0.8%乙酸－0.01mol/L乙酸铵溶液组成的三元流动相进行洗脱分离，紫外280nm检测。

The extraction performance of Zn from HCl medium with a new kind of carboxylic extractant, ammonized sec-octylphenoxy acetic (CA12) and ammonization of the extractant have been studied.

研究了一种新型萃取剂仲辛基苯氧乙酸(CA12)的皂化以及从盐酸介质中萃取Zn的性能。

Methods Intestinal flora of human, rat, Beagle dog, and rabbit and CME were anaerobically cultured at 37℃ in vitro. After being extracted by acetic ether, the main metabolites of CME were separated and quantified by HPLC.

采用人、大鼠、Beagle犬及家兔的新鲜粪便37℃厌氧培养，经醋酸乙酯提取后采用RP-HPLC及LC-MS方法对代谢成分进行分离和定性、定量分析。

The results show that the samples exposed to the air previously for 24 h can be passivated automatically in acetic acid solution with Cl- with the corrosion potential remaining 100mV.No such phenomenon was observed for samples which were cathodically polarized with the corrosion potential stabilizing at a value of -242±3mv. The passive film formed by anodically polarizing is more proof than formed in the air.

研究还发现：在空气中放置24小时后的试样在Cl-醋酸溶液中能自钝化，自腐蚀电位为100mv；经阴极极化后的试样在Cl-醋酸溶液中不能自钝化，其自腐蚀电位为-242±3mv；经阳极极化形成的钝化膜比在空气中自然形成的钝化膜更致密。

3Ml blood of antecubital vein from patients with CCF were collected at admission, and 3ml blood of antecubital vein from healthy individuals on an empty stomach in early morning. Added Na2-ethylenediaminetetra-acetic acid to the samples of whole blood, separated plasma by prompt centrifugation of the blood samples at 2500g at 4°C for 10 minutes . The samples were immediately frozen and stored at -80°C.

选择91例心力衰竭患者和26例健康体查者作为研究对象，心力衰竭患者入院后立即抽取肘静脉血液3ml，收集对照者清晨空腹肘静脉血液3ml，EDTA-Na2抗凝，4℃下以2500转/分高速台式离心机离心10分钟后分离血浆，分装保存于-80℃冰箱待测。

Apertured TiO2 microtubes have been fabricated by simple hydrolysis of titanium tetrachloride using ammonia in the presence of glacial acetic acid.

在冰乙酸存在条件下，以四氯化钛水解法制备了具有锐钛矿晶型结构的二氧化钛多孔微管，并用化学沉积法对其进行修饰，得到银修饰的二氧化钛多孔微管。

Objective: To observe the effect of Weixikang apozema on growth factor of acetic acid gastric ulcer rats.

目的：观察胃喜康煎剂对乙酸致胃溃疡大鼠细胞生长因子的影响。

The acetic acid is refined by vacuum distillation and azeotropic distillation.

以醋酸的精制可利用减压精馏蒸出和共沸精馏脱水来实现。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐