查询词典 amide

First, 5-nitro-1 and 4-naphthoquinone are prepared through nitration and oxidization of naphthalene, and then through reduction of nitro into amide, diazotisation of the amide and hydro-lytic action of diazo salt, the juglone is made.

萘经过硝化、氧化生成5-硝基-1，4萘醌，然后硝基还原成氨基、氨基重氮化、重氮盐再水解，最终用新方法制得胡桃醌。

Among the open-chain crown ethers and cryptands with a same structure, the compounds disubstituted at the amide nitrogen atoms show the larger extractability for Am and Eu than the monosubstituted ones. The compounds disubstituted at the amide nitrogen atoms by two phenyl groups show the larger extractability for Am and Eu than those by two alkyl groups.

3在结构相同的开链冠醚和开链穴醚中，酰胺氮原子上二取代化合物对Am和Eu的萃取能力大于一取代化合物；酰胺氮原子上两个取代基都是苯基的化合物对Am和Eu的萃取能力大于两个取代基都是烷基的化合物。

At present,The main products in clue enameled wire 、Polyester enameled wire、Polyurethane enameled wire、Polyamide over polyyrethane enameled wire、Polyamide overcoated polyester enameled wire、Solderable polyester-imide enameled wire、Polyester-imide enameled wire、Amide-imide overcoated polyester0imide enameled wire、Amide-imide enameled wire、 Nylon fusable enameled wire ,the production specification is Φ0.04-Φ0.08 millimeter.

目前公司主要产品有铜包铝漆包线、聚酯漆包铜线、聚胺酯漆包铜线，尼龙外被聚胺酯漆包铜线、尼龙外被聚酯漆包铜线、直焊变性聚亚胺酯漆包铜线、聚酯亚胺漆包铜线、硫胺亚胺外被变性聚酯漆包铜线、聚硫胺亚胺酯漆包铜线、尼龙热熔漆包铜线，生产规格为Φ0.04mm－Φ0.80mm。

To improve the yield of an Amide-type Tripodal Ligand and investigate its coordination with rare earth ion under mild condition,a series of Amide-type Tripodal Ligands(L1—L4) have been prepared by the reactions of nitrilotriacetic acid and oxalyl chloride with four kinds of amides,respectively.

为了提高酰胺型三脚架型配体的产率，进一步研究其与稀土离子的配位形式及配合物的荧光性能，以氨三乙酸为母体，草酰氯为氯化试剂，与4种胺在较温和的条件下合成了具有三脚架型结构的配体(L1—L4)，并考察了实验条件、反应温度、反应体系溶剂、缚酸剂、反应时间及催化剂对反应产率的影响。

Kinetic spectrophotometric method for the determinationof trace nitrilotriacetic acid;2. To improve the yield of an Amide-type Tripodal Ligand and investigate its coordination with rare earth ion under mild condition,a series of Amide-type Tripodal Ligands(L1—L4) have been prepared by the reactions of nitrilotriacetic acid and oxalyl chloride with four kinds of amides,respectively.

为了提高酰胺型三脚架型配体的产率，进一步研究其与稀土离子的配位形式及配合物的荧光性能，以氨三乙酸为母体，草酰氯为氯化试剂，与4种胺在较温和的条件下合成了具有三脚架型结构的配体(L1—L4)，并考察了实验条件、反应温度、反应体系溶剂、缚酸剂、反应时间及催化剂对反应产率的影响。

Many cocrystal of pyrrolic amide with solvent molecules are also obtained which means pyrrolic amide is a new receptor for neural or anionic species.

我们还得到了许多吡咯酰胺化合物与溶剂分子络合的晶体结构，这说明吡咯酰胺化合物可以作为一种分子识别主体。

An S_N2 mechanism with water as the nucleophile appears to be the most likely candidate.We reported for the first time the hydrolysis reaction mechanism of amide in high temperature water,and found a scientistic base for the hydrolysis possibility of amide linkages in peptide and protein in HTW.

本研究首次报道了高温水中酰胺的水解反应机理以及水在酰胺水解过程中所起的作用，为肽键以及蛋白质在高温水的水解研究提供了科学依据。

The ratio of intensities of Amide Ⅰ and Amide Ⅱ is reduced exponentially with the time of exchange which shows that the hydrogens sterically located differently have different exchange rate.

应用红外吸收光谱研究不同含水量的溶菌酶膜的H-D交换动力学，以期阐明水合对溶菌酶分子活动性的影响。

Low molecular weight liquid amide is an excellent solvent, has a long chain fatty acid amide can be used as surfactants.

低分子液态酰胺是优良溶剂，长链脂肪酸酰胺可用作表面活性剂。

It is the di amide of carbonic acid (H2NCONH2; see amide ; carbon dioxide).

碳酸的二醯胺，分子式为H2NCONH2。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。