Trimethylaluminum(TMA) was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
以三乙基铝(茶)和甲基溴为原料,在铁-锑络合物催化剂上反应合成了三甲基铝(TMA)。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
The EPDM was vulcanized by reaction extrusion moulding.
采用反应挤出法对EPDM进行动态硫化。
Urea peroxide is synthesized by reaction of urea with hydrogen peroxide.
由双氧水与尿素反应合成过氧化尿素。
The material is readily prepared by reaction of formaldehyde and hydrazine.
这种物质很容易由甲醛和肼反应而得到。
Acid-volatile sulfide in river sediment sample was measured by reaction headspace .
采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
Sym-triazole is synthesized by reaction rectification under the temperature of cyclical reaction. The yield is 96%.
叙述在环化反应温度下,用反应精馏法合成均三唑的方法。收率可达96%。
Additionally, desirable flavors can also be supplied by reaction flavor compounds that develop at high temperature processing.
另外,风味也能有高温反应生成的风味物质提供。
Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2-aminopyridine and 3-aminopyridine, respectively.
另外,以CDC分别与2 -氨基吡啶、3 -氨基吡啶反应合成了两种新型的纤维素衍生物。
The conversion of benzaldehyde and yield of benzylidene acetone were influenced by reaction time, temperature and initial water volume.
温度、反应时间和初始水量对反应的转化率和苯丁烯酮的产率有不同的影响。
The ozonized reaction processes of star anise oil and Cinnamonic oil were controlled by reaction, and were influenced less by mass transfer.
八角茴香油和肉桂油的臭氧化反应过程受反应控制,传质的影响很小;
Formaldehyde and ethylene were also observed in the products, and their relative concentrations were partially controlled by reaction conditions.
在反应产物中还可观察到甲醛和乙烯,通过改变反应条件可以控制它们的相对浓度。
The results indicated that golden titanium monoxide composed of only one phase could be obtained by reaction between solid phases at required condition.
研究结果表明:在一定工艺条件下,通过固固反应,可以得到单一相金黄色的一氧化钛;
Decomposition of a chemical compound by reaction with water, such as the dissociation of a dissolved salt or the catalytic conversion of starch to glucose.
水解作用通过与水反应分解一种化学合成物,比如盐水的解析,或淀粉向葡萄糖的催化转变。
The results show that the degradation degree and quality of degraded chitosan were affected by reaction temperature, time and quantity of hydrogen peroxide.
结果表明,反应温度、时间和过氧化氢用量对壳聚糖的降解程度及降解产品质量均有影响。
Several kinds of polyglycerol esters were synthesized by reaction of fatty acid with polyglycerol and their surface physicochemical properties were investigated.
选用脂肪酸聚甘油为原料,合成出几种聚甘油酯,对其表面物理化学性能作了比较。
Vanillin is prepared by electrolytic oxidation of 4-hydroxy-3-methoxymandelic acid which is obtained by reaction of electrolytic solution of oxalic acid and guaiacol.
本文利用草酸的电解液合成了4-羟基-3-甲氧基扁桃酸,经进一步电解氧化合成了香兰素,获得了满意的结果。
At room temperature, several novel unsymmetric ferrocenyl thiourea compounds were synthesized by reaction of substituted aniline with ferrocenyl formyl isothiocyanate.
在室温下,二茂铁甲酰基异硫氰酸酯与芳香胺反应生成新颖的二茂铁取代非对称硫脲。
New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金,具有优良的物理、化学、力学性能。
Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.
方法采用对硝基苯胺为原料,经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。
The preparation method of alumina hollow fiber membrane by reaction bonding of aluminum oxide (RBAO) technique combined with dry wet spinning process was introduced in this paper.
介绍了铝氧化反应结合技术与干湿法纺丝工艺相结合制备氧化铝中空纤维膜的方法。
The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.
其次对双羟基聚醚的端烯丙基化反应进行研究,讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
着重介绍用过氧化氢和过氧化羧酸作羟基化剂,使苯酚羟基化生成邻苯二酚和对苯二酚的研究开发进展。
Polydicyclopentadiene (PDCPD) is a novel engineering material synthesized by reaction injection molding (RIM) method and such reaction mechanism is ring-opening metathesis polymerization.
聚双环戊二烯是采用反应注射成型工艺合成的一种性能优良的新型工程材料,是通过开环易位机理形成的聚合物。
Trimethylaluminum(TMA), usually used in organic catalysis and organic synthesis, was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The affecting factors on interface diffusion and migration of Cu and Ni powders have been investigated during the process of Cu Ni solid solution which be formed by reaction of Cu and Ni powders.
研究了在铜粉和镍粉反应形成固溶体组织的过程中,影响铜粉和镍粉界面扩散和迁移的因素。
The microstructures of gels prepared by reaction between silk fibroin and epoxide (PGDE) at different reaction temperature were studied by amino acid analysis, DSC analysis and dissolution methods.
用氨基酸分析、热分析以及溶解法分析了丝素蛋白与环氧化合物(PGDE)在不同反应温度下形成的凝胶的微观结构。
The process technology of manufacturing potassium dihydrogen phosphate by double decomposition with wet - process phosphoric acid purified by reaction medium circulation was introduced in this paper.
介绍了三聚氰胺反应媒循环法净化湿法磷酸复分解生产磷酸二氢钾的工艺技术,对由两种不同原料出发的工艺路线所得的产品进行了成本比较。
The process technology of manufacturing potassium dihydrogen phosphate by double decomposition with wet - process phosphoric acid purified by reaction medium circulation was introduced in this paper.
介绍了三聚氰胺反应媒循环法净化湿法磷酸复分解生产磷酸二氢钾的工艺技术,对由两种不同原料出发的工艺路线所得的产品进行了成本比较。
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