查询词典 acid value

The studies are significant to propose the synthetic methodology of benzothiazole derivatives,broaden the application of the metal complexes of benzothiazoles.It is practical value of the research in preparation of phenylacetic acid from metal-catalyized carbonylation.The thesis consists of four chapters.

本论文研究了苯并噻唑衍生物及其钴、铑金属配合物的合成，并研究了两类金属配合物的羰基化催化性能，提供了合成苯并噻唑衍生物的可行路线，拓宽了苯并噻唑金属配合物的应用范围，催化羰基化合成苯乙酸的研究具有重要的实用价值。

The mix- sowing treatment A (50% alfalfa+50 % smooth brome grass) could get best effect, with lowest pH value and NH3-N/TN content and highest lactic acid and comprehensive score.

结论］以混播处理A（苜蓿50%+无芒雀麦50%）效果最好，pH值，NH3-N/TN含量最低，乳酸含量和综合评分最高。

The value of pH in outlet water was higher than grade- I of Emission Standard (6-9), so this water were not permitted to emit. But a certain quantity of the water could be reused in the working procedure of hydrolyzing calcareousness, and the remains could be reused as washing water or emitted directly after neutralization by acid.

出水的pH值高于一级排放标准的6～9，不能直接排放，但部分出水可回用于石灰消解工序，其余出水经加酸调节后可作为工艺冲洗水或外排。

Objective:To explore the changes of plasma Lysophatisic acid level in patients with transient ischemic attacks or cerebric infrction. And to value the effect of those in the formation and progress of those diseases.

目的：观察短暂性脑缺血发作和脑梗死患者血浆溶血磷脂酸的变化，探讨其在缺血性脑血管病发生发展以及早期诊断中的临床意义。

Objective:To explore the changes of plasma Lysophatisic acid level in patients with transient ischemic attacks or cerebric infrction. And to value the effect of those in the formation and progress of those diseases.

溶血磷脂酸是磷脂中的一种小分子物质，是磷脂生物合成早期阶段的关键性前体，在体内的信号传递中起着十分重要的作用，因此被称为多功能&磷脂信使&［1］。

The watermelons, the citrullus lamtus or the stems and leaves thereof are taken as raw materials, and the extracting process comprises the following steps: firstly, the raw materials are washed clean and broken to separate the watermelon peel from the watermelon pulp for respectively extracting juice; the two juices are mixed, and micro-filtration and ultra-filtration are carried out to remove insoluble substances and macromolecular substances; and then reverse osmosis and nano-filtration are carried out to obtain the filtrate; the pH value of the filtrate is regulated and then a macroporous strong acid cation exchange resin column is added; and then ammonia water is taken as an eluant for isocratic elution; the eluent obtained is decompressed, distilled, deaminized, discolored, condensed and crystallized to obtain a white crystalline product of the natural L-citrulline extracted from the watermelons.

本发明方法以西瓜、打瓜或者其茎叶为原料，其过程为：首先将原料清洗干净，破碎后将西瓜皮西瓜瓤分开，分别进行榨汁；所得汁液合并，经过微滤和超滤除去不容物和大分子物质；然后再经反渗透和纳滤过滤；透过液调节pH值后通入大孔型强酸性阳离子交换树脂柱；然后以氨水做洗脱剂进行等度洗脱；将洗脱液减压蒸馏脱氨，脱色，浓缩结晶，得到西瓜提取天然L-瓜氨酸白色结晶产品。

Objective To evaluate the diagnostic value and the clinical significance for measuring the serum levels of carbohydrate 19-9(CA19-9) and silaic acid combinedly in gastro-intestinal cancer.

目的：通过对外周血中糖类胃肠癌相关抗原(CA19- 9)、唾液酸的联合检测，探讨其对胃肠道恶性肿瘤的诊断价值及临床意义。

In this paper , experiments on acid solution under still hydraulic condition and relation of pH value with time as well as analysis of equilibrium of corroding system are stated.

本文主要给出非流动的水动力条件下酸性水侵蚀试验的浸液pH值与时间的关系，以及体系侵蚀反应的平衡分析。

The fatty acid composition of Rachycentron canadum Linnaeus muscle was analyzed,and the nutrition value of its enzymolytic protein powder was evaluated.

分析了军曹鱼鱼肉的脂肪酸组成，并对鱼肉酶解蛋白粉进行了营养评价。

To clean excretive grease clean , the proposal should choose the breast washing a face with clean powerful force, can keep clear of on one hand grease, can adjust value of skin soda acid on one hand.

因敏感性干燥肌肤有时会出现严重敏感，这时连水和泡沫都不能接触，所以用擦拭来代替清洗，算是聪明的洗脸法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。