查询词典 reagent

Effects of different reagents, dosages, concentrations, and reduction reagent concentrations on kafirin extraction from Sorghum bicolor were investigated.

以高粱种子为材料，研究了不同提取剂、提取剂用量、浓度和还原剂浓度对高粱种子醇溶蛋白提取的影响。

The interference of the fat can be effectively eliminated by double reagent biurea reaction without need to carry on manual determina-tion of fat,Thus the working efficiency is greatly enhanced.

双试剂双缩脲法能有效地消除脂肪的干扰，无需另进行手工除脂测定，大大地提高工作效率。

A series of liquid crystals containing naphthalene 1~13 was synthesized by the reaction of carbonyl compound with Grignard reagent and coupling reaction between phenyl boronic acid and halogen naphthalene .

经羰基化合物与格氏试剂反应及芳基硼酸与萘基卤化物偶联反应合成了系列含萘环骨架液晶化合物1~13；产率在73%~759%。

This experiment chooses a kind to contain 1 ％ bromine phenol orchid and the methanol solution of 5 ％ water serve as bromic phenolic chemistry to enhance reagent.

本实验选取一种含有1％溴酚兰和5％水的甲醇溶液作为溴酚化学增强试剂。

This project studies, use PH indicator (bromic phenol orchid with bromic cresol green), to different object face (be like plastic board, ceramic tile of Brown paper, thick hard paper, thick chipboard, china, bathroom and cotton cloth) planar dirt shoe imprints had a test, made with reagent of salt of sulfur cyanic acid quite, discover PH indicator is more effective.

本项目研究，使用PH指示剂，对不同的客体表面（如塑料板、褐色纸张、厚硬纸张、厚硬纸板、瓷器、浴室瓷砖和棉布等）的平面灰尘鞋印进行了试验，并与硫氰酸盐试剂作了比较，发现PH指示剂更为有效。

The main work we did on synthesis: We studied bromination reaction influence factor in detail, such as reaction time、reaction temperature、solvent dosage、reagent mole ratio, and optimized the reaction condition, discussed reaction mechanism rudimentally.

本文在合成方面所做的工作：系统研究了对称二醇的单溴代反应反应时间、反应温度、溶剂用量、反应物摩尔比等因素对产率的影响。

METHODS Acidic dye colorimetry with bromothymol blue as ion pair reagent was employed to determine the alkaloids in samples.

用溴麝香草酚蓝同川芎生物碱形成稳定的有色离子对酸性染料比色法测定总生物碱的含量。

The 731 oxidized paraffinum sodium salt and ZL were separately used as collector to pick out scheelite from high calciferous gangue and polymetallic scheelite, the laboratory experiment and industrial experiment were carried on. It has been proved that using ZL, the grade and recovery of the concentrate is higher than using 731 oxidized paraffinum sodium salt with less reagent consumption.

分别用731氧化石蜡皂和ZL作白钨矿的捕收剂，选别含钙脉石矿物高的白钨矿和多金属白钨矿，小型试验和工业试验结果表明，用ZL获得的钨精矿品位和回收率均高于用731氧化石蜡皂，且ZL捕收剂用量少。

Was studied by Folin Ciocalteu colorimetry. The results showed that polyphenol content of C. album could be well calculated according to their colorime tric absorption at 765nm by applying Folin Ciocalteu reagent 1.5mL and 10% Na2CO3 6 mL,2 h at 30℃ for colorimetric reaction, and the linear range of standard curve was 7-70mg/L.The method established was very convenient, stable and accurate.Key words: Canarium album Rauesch.;polyphenol;colorimetry

结果表明：橄榄多酚提取液在加入Folin Ciocalteu试剂1.5 mL，10% Na2CO3 6 mL，反应时间2 h，温度30℃的条件下进行显色，并于765 nm处测定其吸光值，多酚质量浓度在7～70mg/L范围内与吸光值有良好的线性关系，根据此线性回归方程进行橄榄多酚的定量测定，该方法简单方便，稳定性好，准确度高。

The conjugation of MMS and Ab (ready for Reagent 1, R1): Chose the 3μm diameter Carboxyl MMS and use the carbodiimide cross-link technique activate the MMS with EDC and NHS in different concentration, then linked mice anti-HBsAg-IgG and mice anti-HCcAg-IgG on them.

磁微粒的活化及其与抗体的连接：选择粒径3μm的羧基化磁微粒，采用碳二亚胺共价交联法，在活化剂EDC与NHS的不同浓度组合条件下活化磁微粒，选择最适的活化剂浓度组合。

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。