英语人>网络例句>hindered 相关的网络例句
hindered相关的网络例句

查询词典 hindered

与 hindered 相关的网络例句 [注:此内容来源于网络,仅供参考]

We also accomplished the synthesis of highly hindered depsipeptide moiety of the anti-tumor drug Actinomycin D using CMBI.

我们还采用此缩合剂合成了抗癌药物 Actinomycin D 中空间位阻较大的酯肽链部分。

Principles of hindered amine adduct ,performances and application processes of resulted aliphatic polyurea paints are introduced.

详述了受阻胺加合物的原理以及由此制成的脂肪族聚脲涂料的性能和施工方法。

The wind finds voice, not when rushing across the open sea, but when hindered by the outstretched arms of the pine trees, or broken by the fine strings of an Aeolian harp.

风之能发生曼妙的声响,并不在海洋上畅行无阻的时候,而是在艰难地吹过层层枝叶交织的松树林间,或是吹到"爱奥良"琴的弦上,起了阻抗作用的时候。

Women are free to swim and sunbathe less hindered by clothing on the private beaches west of Alexandria, such as Agami, and at resorts populated by foreign tourists on the Red Sea coasts.

而在亚历山大西部像阿加密这样的私人海滩或游客密集的红海海滩上,女士们在游泳或晒日光浴时,着装的限制就没有那么严格了。

This writing studies the relationship between Macau air transportation service market and CEPA by making attempts to analyze its market efficiency, how monopoly created through the umbrella of air traffic concession rights has hindered the market development.

本文尝试从澳门民航货运市场效率来探讨其与CEPA制度的关系,剖析专营权保障下造成的垄断局面如何不利民航运输服务市场的运作效率,藉以提出一些政策建议以深化CEPA制度对澳门总体经济贡献的效果。

Based on the established synthetic processes for polymeric HALS, two novelpolymeric high molecular weight and multi-functional stabilizers with hindered amineand hindered phenol as active groups together were designed in order to attain lightstability and antioxidant functions.

在聚合型HALS合成工艺已建立的基础上,本文又设计了两个同时含有受阻胺和受阻酚活性基团的新型多功能聚合型高分子量稳定剂,预期它同时具有抗光氧化和抗热氧化的功能。

The synthetic technologies of three hindered amine light stabilizers were established, the reason for the insoluble side products formed in the production of polymerized hindered amine light stabilizers were studied, and a series of novel hindered amine light stabilizers with antibacterial properties were designed and synthesized in this present paper.1. Based on the investigation of the transesterification between dimethyl sebacate and 1,2,2,6,6-pentamethyl-4-piperinol, the synthetic technologies of Tinuvin292 and Tinuvin 765 were established. The two kinds of hindered amine light stabilizers were obtained in the yield of 93.3% and 92.4% respectively and qualified as the advanced level of the kindred overseas products.2. The synthetic technology of Tinuvin123 was studied and established.

本文研究建立了三个受阻胺类光稳定剂的合成工艺,探索了聚合型受阻胺类光稳定剂生产过程中不溶性副产物产生的原因,并设计、合成了一系列具有抑菌活性的新型受阻胺类光稳定剂。1、在研究癸二酸二甲酯与1,2,2,6,6-五甲基哌啶醇的酯交换反应的基础上,建立了受阻胺类光稳定剂Tinuvin292、Tinuvin765的合成工艺,分别以93.3%和92.4%的收率得到了光稳定剂Tinuvin292、Tinuvin765,所得产品质量达到了国外同类产品的水平。2、研究建立了受阻胺类光稳定剂Tinuvin123的合成工艺。

Work 工作:(1) feasible process development for high-pure tetraalkyphosphonium salt as catalysts for polymerizations, potential sale 2-4 million us$;(2) simple and feasible preparation process for phosphonium salt as ionic liquids, biocides and phase transfer catalysts;(3) new and industrially feasible processes for highly sterically hindered alkylphosphines as catalyst ligands, these include tricyclohexyl-phosphine, phosphorinanes and dsmphos2,3- bis(9-phosphabicyclononylbutane;(4) sterically hindered dialkylphosphinic acid as new generation of co/ni extractant;(5) alkylphosphonium wittig reagents and the wittig reactions with them;(6) exploration of the application of borane chemistry in the synthesis of highly sterocally hindered organophosphines;(7) customer preparation of samples of a variety of organophosphorus compounds for customers all over the world.

用作高分子聚合反应催化剂的高纯度四烷基瞵盐的实用生产流程。产品销售前景 2-4 百万美元;(2)用作离子化液体,杀菌剂和相转移催化剂的烷基瞵盐的简单实用合成方法;(3)高位阻烷基磷化氢催化剂配体的工业实用合成路线的研究,这包括,三环己烷基磷, phosphorinanes 和 dsmphos 2,3-bis(9-phosphabicyclononylbutane ;(4)高位阻二烷基膦酸金属萃取剂的工业实用合成路线的研究;(5)烷基膦 wittig 反应试剂的研究;(6)硼化学在高位阻烷基磷化氢合成中的应用;(7)为世界各地提供顾客合成服务。

To further testify the high efficiency of these new reagents in the synthesis of sterically hindered peptides, we successfully synthesized the extensively -N-methylated peptide moiety of the antineoplastic and lipophilic depsipeptide Dolastatin 15 using reagent BEP and FEP. We also synthesized the highly hindered tetrapeptide segment of Cyclosporin A using reagent BEMT and BEP, respectively.

为进一步检验这类吡啶正离子型缩合剂在有空间位阻的多肽合成中的性能,我们以BEP和FEP为缩合剂,成功地合成了具有抗肿瘤活性的亲脂性酯肽Dolastatin 15分子中高N-烷基化的肽链部分;分别以BEMT和BEP为缩合剂合成了生物活性肽Cyclosporin A中空间位阻最大的四肽片断。

The English's being driven out of France is regarded as ablessing for both countries.If the English had remained in France,the superior size and wealth of France would have hindered the development of aseparate English national identity,while France was hindered so long as aforeign power upied so much French territ ory.

的结果:把英国人赶出法国对两个国家都是幸事:若国车人继续留在法国,那么法国人在国土和财富上所占的优势一定会阻碍分离的英国民族的发展;而法国民族被外国势力占据了浩繁的国土,发展更是持久受阻。

第1/23页 1 2 3 4 5 6 7 8 9 ... > 尾页
推荐网络例句

And the kinetics of exchange between FDP-Cl ion with HJ-30 weak base ion exchange resin were studied.

研究1,6—二磷酸果糖的分离工艺时,提出选择树脂时应综合考虑树脂对FDP的吸附容量和分离因数α〓和α〓,结果发现HJ—30阴离子交换树脂适合FDP的分离,并考察了该树脂和FDP相互交换动力学关系。

Gynostemma, also named seven gallbladders, belongs to cucurbitaceae family, gynostemma genus.

绞股蓝又名七叶胆,为葫芦科绞股蓝属植物。

So you can understand why she turned down a good Job offer to work among refugee immigrants and low-income groups after she got her degree in social sind ie s.

因此,可以理解,她得到社会学学位之后,拒绝了一项很不错的工作,却到达难来美国的移民中和低收入的阶层中去工作。