介绍了影响N -甲氨基甲酰氯合成的各种因素，其温度是主要影响因素。
The various effects on synthesis of N-methyl-carbamyl chloride were studied. Temperature is most important one.
综述了高效酰化催化剂4-二甲氨基吡啶（DMAP）的合成方法及应用前景。
This article summarizes the synthetic method of 4-Dimethylaminopyridine (DMAP) and its applying prospect.
以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
柠檬苦素采用氯仿萃取取样，并经硅胶G薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel G, and then is determined by colorimetric metho…
柠檬苦素采用氯仿萃取取样，并经硅胶g薄层分离后以对——二甲氨基苯甲醛作显色剂比色测定。
The limonin sample is got by extraction with chloroform and is separated by a thin-layer chromatography of silica-gel g, and then is determined by colorimetric method where pdi...
研究了分子内电荷转移荧光体4-二甲氨基查尔酮（DMAC）在表面活性剂水溶液中的荧光光谱。
The fluorescence spectra of 4-dimethylaminochalcone(DMAC), an intramolecular- charge-transfer fluorescence probe, are examined as a function of surfactant concentration in aqueous solution.
建立了对二甲氨基苯甲醛法和亚硝酸盐——格里斯试剂法两种对牛奶中掺入的尿素的快速检测方法。
In this paper, two rapid detection methods for carbamide in milk, namely p-dimethylaminobezaldehyde method and Nitrite-Griess method, were developed.
对二甲氨基苯甲醛同时亦与氨基胍重碳酸盐反应，生成更为稳定的化合物，而使该橙色产物分解而褪色。
However, 2 could also react with 1 simultaneously in the same reaction system, the product was more stable, and that made the orange compound decomposed and faded.
介绍了5% 甲氨基阿维菌素苯甲酸盐水分散粒剂的研制，简述了它的制备方法、配方选择、质量技术指标和贮存稳定性。
This paper introduced the preparation of emamectin benzoate 5% WG, including the preparation procedure, formula selection, quality standard, storage stability.
以N-甲基乙酰胺、醋酸乙烯酯为原料，N，N-二甲氨基吡啶（DMAP）为催化剂，合成N-甲基-N-乙烯基乙酰胺。
N-Methyl-N-vinylacetamide was synthesized from N-methylacetamide and vinyl acetate with N, N-dimethylamino pyridine (DMAP) as catalyst.
采用双微电极电压钳制术研究3，6-（二甲氨基）-二苯骈碘杂环依地酸盐（IHC-72）对家兔浦肯野纤维慢钙通道的影响。
The effect of 3, 6-dimethylamino-dibenzopyriodonium edetae(IHC-72) on the slow calcium channel of isolated rabbit purkinje fibers was studied with two microelectrode voltage clamp technique.
通过实验设计出一条新的合成2-氨基- 4 -甲氨基- 6 -乙氧基均三嗪的路线，并经过正交实验确定了最佳反应条件，产品总收率为61.5%。
A new method of preparation of 2-amino-4 -methylamino-6-ethoxys-tri - azine is found. And the optimum reaction conditions are determined by orthogonal experiments. The total yield is 61.5%.
结果表明：氨基甲酰乙基化反应程度受上述因素制约。
Results show that the extent of reaction of strach with acrylamide is governed by aforementioned factors.
目的：探讨兴奋性氨基酸受体非竞争性拮抗剂右甲吗喃对创作性脑水肿的防治作用。
Purpose:To study the effects of excitatory amino acids receptor noncompetitive antagonist-dextromethorphan(DM)on the traumatic brain edema.
该染料的甲川链上的中位碳原子与氨基的氮原子相连。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.
目的筛选影响H5N1亚型甲型流感病毒对哺乳动物毒力变异的HA序列主要氨基酸位点。
Purpose To explore key amino acids sites on HA sequence which may determine the virulence of influenza a H5N1 for mammalian species.
指出氨基三甲叉磷酸的使用方法及用量。
方法：以2氨基4 ，5二甲氧基苯甲酸为原料，分别经过环化、氯代、取代等反应，合成了五种目标化合物。
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
初步研究表明，这类裂缝型受体不仅对中性小分子具有优良的识别性能，而且对D/L氨基酸甲酯具有良好的手性识别能力。
The preliminary results indicate that these molecular clefts not only recognize neutral molecules, but also show good enantio selectivity for D/L amino acid methyl esters.
初步研究结果表明，这类分子钳受体不但对中性小分子具有识别性能，而且对D/L氨基酸甲酯具有对映选择性识别性能。
The preliminary results indicate that these chiral molecular tweezers not only recognize neutral molecules, but also show enantio-selectivity for D/L-amino acid methyl esters.
本课题以二茂铁为原料，与邻甲氧基苯甲酰氯反应生成邻甲氧基苯甲酰基二茂铁，再与一系列胺反应合成亚胺，最终还原为二茂铁氨基化合物。
The title compounds were obtained by the reduction of the corresponding ferrocenyl imines, which were prepared from ferrocene and o-anisic acid chloride, followed by amination with aromatic amines.
背甲胶经酸水解，有与腹甲胶相同的16种氨基酸。
After hydrolyzation with with acid, the back and abdomen shell yielded 16 same kinds of amino acid.
一种假设的酸，NH2COOH，仅存在于氨基甲酯和氨基甲盐中。
A hypothetical acid, NH2COOH, that exists only in the form of its esters and salts.
该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye .
方法：以氨基乙醛缩甲醇制备的N （2 ，2二甲氧基乙基）胍硫酸盐经盐酸催化环合制得2 氨基咪唑硫酸盐。
METHODS:N (2,2 dimethoxylethyl)guanidine sulfate from aminoacetaldehyde dimethyl acetal was treated with concentrated HCl to get 2 aminoimidazole sulfate.
以六甲氧基甲基三聚氰胺树脂（HMMM）为交联剂，制备桐油改性醇酸氨基水性绝缘漆。
With HMMM as cross-linked agent, waterborne alkyd-amino insulation paint modified by tung oil was prepared.
主要成分：熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
从有机溶剂中生长4氨基二苯甲酮(abp)晶体。
Bulk crystal of 4 Aminobenzophenone (ABP) was grown from organic solution.
从有机溶剂中生长4氨基二苯甲酮(abp)晶体。
Bulk crystal of 4 Aminobenzophenone (ABP) was grown from organic solution.
应用推荐