乙酸钠

The synthesis of sucrose octaacetate from sucrose with acetic anhydride in the presence of anhydrous sodium acetate is reported.

报道了在无水乙酸钠存在下，蔗糖和乙酸酐反应合成蔗糖八乙酸酯。

5 HAc-NaAc buffer solution, thallium could oxide erythrosin, which resulted in the hypochromicity and the maximum fading wavelength was located at 526 nm.

5的乙酸-乙酸钠缓冲液中，铊Ⅲ能氧化赤藓红而使之褪色，其最大褪色波长位于526nm处，而加入万古霉素能抑制该褪色反应的进行。

The questing for long service electroless Nickel technology leads to the preferable formula and operation conditions as follows: Nickel Sulphate 25g/L, Sodium Hypophosphate 30g/L, Lactic Acid 20~ 25ml/L, Citric Acid 5g/L, Sodium Acetate 15g/L, Thiourea l~3mg/L, Stabilizer E Img/L.

研究得出的最佳长寿命镀镍工艺为；硫酸镍25g/L，次亚磷酸钠30g/L，乳酸20ml/L，柠檬酸5g/L，乙酸钠15g/L，硫脲1～3mg/L，稳定剂E1mg／L镀液pH值5.0～5.1，施镀温度90±2℃，装载量1dm~2/L；每60min测量镀液中消耗的有效成分和补加浓缩液。

The methanogenic bacteria strains with different growth substance were easily isolated on the media with different chemical composition.

在培养墓中同时加入营养基质甲酸钠、乙酸钠、甲醇以及注入氢和二氧化碳的混合物，使以各种生长基质为底物的产甲烷细菌在一种培养基比较容易被分离出来。

The reaction processes of preparing sodium diacetate from acetic acid and sodium carbonate are studied.

本文对乙酸—纯碱法制备双乙酸钠反应过程进行了研究。

Sodium naphthalene acetate, sodium salicylate and abscisic acid showed strong inhibition and toxicity to water cultured seedlings.

萘乙酸钠、水杨酸钠、脱落酸等对水培幼苗生长表现出强烈的抑制和毒性。

The mortality of mice from tartar emetic was observed after concomitant injections of 5 testing drugs (procaine-HCl, sodium phenyl acetate, sodium αα'-dimercaptoadipate, sodium mercaptosuccinate and sodium thiosulfate).

二普鲁卡因、苯乙酸钠、aa′-二巯基己二酸钠及巯基丁二酸钠能使小鼠腹腔注射吐酒石急性及亚急性中毒死亡率明显地减低，而硫代硫酸钠则无效。

Reaction (1) was examined with different kinds of acetal substrate(1) and vinyl ethyl ether, and the results indicated that the 1, 1,3-triethoxy compounds could be obtained in high yields of 88 and 97% respectively when the R groups of the acetal are phenyl and anisyl, while the yields amounted only to 55-75 % for R=a...

有证据表明这种催化反应也可能是通过正碳离子中间体进行的。本反应的产物1，1，3-三乙氧基化合物经乙酸/乙酸钠溶液水解可得反式α，β-不饱和醛。水解产率：芳香族产物大于90%，脂肪族产物大于75%。

Nearly all the isolates were likely to utilize NZ amine, sodium acetate, sodium propionate and Tween-80, but potassium nitrate and sodium benzoate, sodium succinate, sodium citrate occurred with different strains.

所有参试菌株能很好地利用乙酸钠、丙酸钠和丙酮酸钠，但对其它有机酸的利用各不相同。大多数菌株能利用酪蛋白、牛肉膏等有机氮，一些菌株可利用氨态氮和硝态氮。

In the current study, anoxic dechlorinations of p, p'-DDT,γ-HCH, HCB in the Liao River sediment were studied under the following conditions: without any additional short chain carbon substrates or vitamin B〓; with the addition of short chain carbon sources (including sodium lactate, sodium propionate or sodium acetate); with the addition of vitamin B〓; with the addition of both short chain carbon substrates and vitamin B〓, with the addition of sodium dodecyl sulfate , a kind of surfactant; the coexistence of the three chlorinated compounds.

本文分别采用不外加碳源和维生素B〓外加碳源（包括乳酸钠、丙酸钠或乙酸钠）、外加维生素B〓以及同时外加碳源和维生素B〓的方法，考察了p，p'-DDT、γ-HCH和HCB三种氯代有机污染物单独或混合存在下，在辽河沉积物中缺氧脱氯降解的情况，主要得到以下结论

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。