酰化

It was detected by DSC that the temperature of imide and crosslinking reaction are differentiated by the catalysis of acetyl acetone copper and rare earth.

DSC研究表明乙酰丙酮铜催化剂和稀土催化剂可以分开低聚物的亚胺化和交联反应温度。

Objective: To evaluate the effects and possible mechanism of HMG-COA reductase inhibiter simvastatin on interstitial fibrosis of unilaterd ureteral obstruction rats and the influence of simvastatin on the process.

目的：本实验主要研究经甲基戊二酰辅酶A还原酶抑制剂辛伐他汀对单侧输尿管梗阻大鼠肾间质纤维化的影响及可能机制。

OBJECTIVE: To evaluate the effect of N-Mucisol on the treatment of acute pulmonary injury and pulmonary interstitial fibrosis.

目的 ：评价N -乙酰半胱氨酸治疗急性肺损伤和肺间质纤维化的作用。

Methods In situ method of terminal deoxytransferade-mediated dUTP-biotin nick and labelling staining was used to identify programmed cell death in 20 KAs. These cases also were examined with immunohistochemical technique for the expression of two protooncogenes, bcl-2 and bax, recently recognized to be involved in apoptosis.

用末端脱氧核苷酰转移酶介导的d-UTP生物素缺口末端标记技术，原位检测20例角化棘皮瘤中凋亡细胞；应用免疫组织化学技术检测皮损部位bax和bcl-2基因产物的表达。

In the end, a Novel and facile method has been used to synthesize functionalized cyclopentadienes by Nazarov cyclization ofα-alkenoyl ketene dithioacetals under Vilsmeier conditions.

从合成的α-烯酰基二硫缩烯酮类化合物出发，经过Vilsmeier试剂作用下的Nazarov环合反应，合成了官能化环戊二烯类化合物。

Objective: 1. To study the synthesis of N-[2-(cholester-yloxycarbonylamino) ethyl]carbamoylmethylated mannan ( chol-AECM-mannan).

目的：1。研究N-[2-乙基]甲氨酰甲基化甘露聚糖(chol-AECM-mannan)合成的途径。2。

Phosphate porous starch and PVA were cross linked by methenamine and boric acid Crystal area was serious destroyed by esterification and cross linked. 6 Biodegradation experiment was carried out with soil-burying method.

5红外光谱和X-射线衍射的结构分析表明：在改性淀粉的羟基上引入了磷酰基团，并未破坏原淀粉的基本化学结构；交联剂在改性淀粉和PVA之间形成了C-O-C化学交联键；酯化和交联反应均有较强的淀粉晶区破坏作用。

The amidation reaction between rapeseed oil and monoethanolamine was studied via orthogonal experiment.

通过正交实验对菜籽油与单乙醇胺的酰胺化反应进行了研究。

Hydrogen nitrate powder acidizing is to mix solid hydrogen nitrate powder and hydrochloric acid in certain proportions to generate strong oxidizing nitrosyl chloride, which can violently and locally dissolve rock and blocked material without destroying formation structure, to make through oil path and improve formation permeability.

硝酸粉末酸化工艺技术，是利用固体硝酸粉末与盐酸以一定的比例混合后，生成氧化能力很强的氯化亚硝酰。

The 1,5-Bis(4-aminophenylazo) anthraquinone, 1,5-bis(4-hydroxyphenyl azo) anthraquinone and 1,5-bis(3-methyl-4-hydroxyphe nylazo) anthraquinone were synthesized by diazotizing 1,5-biaminoanthraquinone with nitrosyl sulfuric acid and coupling with aniline, phenol and o-cresol.

合成以1，5-二氨基蒽醌为原料，经亚硝酰硫酸重氮化，分别和苯胺、苯酚及邻甲酚偶合，得到双（4-氨基苯）－1，5-二偶氮蒽醌，双（4-羟基苯）－1，5-二偶氮蒽醌和双（3-甲基－4-羟基苯）－1，5-二偶氮蒽醌，反应产率达47%~62%。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。