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并四苯

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They had suppressed the cathodic process of carbon steel electrode. Their inhibition performance was also related with their molecule stereo conformation and electron configuration. Four of bis-(1, 1'-benzotriazoly)-α,β-diamide compounds linked via-CO 〓CO-chain were synthesized and certified by IR and 〓H-NMR. The minimum energy conformations of these compounds were obtained by MM2 forcefield program. The two benzotriazole moiety in BBT1 was more planar than in other compounds. This was beneficial in increasing the inhibition effects of BBT1. In 0.5M H〓SO〓 solution, BBT1 suppressed anodic corrosion reaction. In 3%NaCl solution, BBT1 suppressed both cathodic and anodic corrosion reactions. 1- [ (1'-imidazolly)-methyl] benzotriazole was synthesized by Mannich reaction.

合成了四个通过-CO〓CO-连接的双(1,1'-苯并三唑)-α,ω-二酰胺化合物,采用MM2分子力学程序优化了它们的分子结构,双(1,1'-苯并三唑)-α,ω-二酰胺化合物的缓蚀作用与其分子内两个苯并三唑单元的空间取向有关系,良好的平面性有利于苯并三唑二聚体的吸附和缓蚀作用,苯并三唑二聚体BBT1分子内两个苯并三唑单元近似平行,所以显示出较好的缓蚀效果。0.5M硫酸中BBT1主要抑制铜的阳极溶解的电化学反应;3%NaCl溶液中,BBT1对铜的阳极溶解和氧的阴极还原过程均有抑制作用,相比较而言对阴极过程的抑制作用更大一些。

The Luminescence and Energy Transfer of NPB Doped by 5, 6, 11, 12-tetraphenyltetracene in Thin Film

NPB和5,6,11,12-四苯基四苯并在薄膜中的发光和能量传递

Water,decyloleate,propylene glycol,stearic acid,glyceryl stearate,peg-100 stearate,iris germanica(orris extract/cells),chamomilla recutita,arctium majus,prunus dulcis,ceteareth-3, Triethanolamine,phenoxyethanol,methylparaben,imidazolidinyl urea,carbomer,c12-13 alkyl lactate,disodium edta,propylparaben,glyceryl hydroxystearate,cetyl esters,ethylparaben,pentadecalactone,cera microcristallina,trihydroxystearin,butylparaben,hydroxystearic acid,isobutylparaben,chlorhexidine digluconate,tetradecyloctadecanoic acid,tetradecyleicosanoic acid,tocopherol,lecithin,ascorbyl palmitate,glyceryl oleate,citric acid

水,油酸癸酯,丙二醇,硬脂酸,甘油硬脂酸,聚乙二醇硬脂酸酯,鸢尾花提取物/活细胞,洋甘菊萃取,牛蒡提取物,甜杏仁油,鲸蜡硬脂醇醚,三乙醇胺,苯氧乙醇,羟苯甲酯,尿素醛,卡波姆,c12-13烷醇乳酸酯,乙酸乙二胺二钠,羟苯丙酯,甘油羟基硬脂酸酯,十六烷基酯,羟苯乙酯,环十五内酯,微晶蜡,三羟基硬脂精,羟苯丁酯,羟基硬脂酸,对羟基苯甲酸异丁酯,洗必泰葡萄糖酸盐,十四烷基十八烷酸,十四烷基二十烷酸,维生素E ,卵磷脂,抗坏血酸棕榈酸酯,甘油硬脂酸,柠檬酸水:几乎所有护肤品成分第一位都是水。油酸癸酯:滋润、柔肤剂,并常添加于多种化妆品中作为溶剂

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

3-苯甲酰基丙烯酸乙酯(97%min)、磷酰基乙酸三甲酯(98%min)、磷酰基乙酸三乙酯(98%min)、磷酰基乙酸甲酯二乙酯(98%min)、3-溴-1,3,4,5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮(98%min)、3,5-二甲基苯甲酰氯(99%min)、3,5-二氯苯甲酰氯(97%min)、对乙基苯甲酰氯(99%min)、氯乙酸甲酯(99.5%min)、邻苯甲酰基苯甲酸甲酯(99%min)、4-苯基二苯甲酮

In this paper, eleven benzothiazole derivatives such as N, N, N′, N′-tetra (2-benzothiazolyl) methyl-1, 2-ethanediamine,(2-benzothiazolyl) methyloxy benzene, 2,4-dichloro( 2-benzothiazolyl) methyloxy benzene, O-di(2-benzothiazolyl) methyloxybenzene, P-di(2-benzothiazolyl) methyloxy benzene, 3-(2-benzothiazolyl) pyridine were synthesized by means of conventional method or MWI technology and a single crystal of di (2-benzothiazolyl ) methyl ether was obtained.

本文分别用常规合成法和微波辐射法合成了N,N,N′, N′-四(2-苯并噻唑基)甲基-1,2-乙二胺、(2-苯并噻唑基)甲氧基苯、2,4-二氯-(2-苯并噻唑基)甲氧基苯、邻-二(2-苯并噻唑基)甲氧基苯、对-二(2-苯并噻唑基)甲氧基苯、3-(2-苯并噻唑基)吡啶等11 个苯并噻唑类化合物并得到二(2-苯并噻唑基)甲基醚单晶。

To synthesize the octreotide, Phe-Leu-Glu-Glu-Leu and C_(15)H_(31)-CO-Lys-Thr -Thr-Lys-Ser peptides, the strategies are as followings: Fmoc- group as protective group for α-NH_2; TBTU, DIEA and HOBt as coupling reagent; and ethanedithiol -phenol - thioanisole - H_2O - TFA ( 2.5:5:5:5:82.5 , V/V ) as cleaving solution.

采用Fmoc固相合成法,以苯并三哗四甲基脲四氟硼酸盐、二异丙基乙胺和1-羟基苯骈三氮唑为缩合剂;苯酚—乙二硫醇—苯甲硫醚—水—三氟乙酸(5:5:2.5:5:82.5,V/V)为切割试剂,合成了奥曲肽、Phe-Leu-Glu-Glu-Leu及C_(15)H_(31)-CO-Lys-Thr-Thr-Lys-Ser三种小分子多肽,并对奥曲肽的合成规模进行了放大。

Simultaneously we prepared benzimidazolines with two methods by the reducton of benzimidazolium salts with NaBH_4 and Grignard addition with benzimidazolium salts. Thus we provided a new biomimic synthetic method for 9 kind of tetrahydro-β-carboline starting from carboxylic aicd and halid. A convenient synthetic method for preparing tetrahydro-β-carboline was provided.

本文以1,3-二甲基苯并咪唑碘盐和2-取代的1,3-二甲基苯并咪唑碘盐为原料,采用了NaBH_4还原和Grignard试剂加成两种方法,制备了9种1,3-二甲基苯并咪唑烷和2-取代的1,3-二甲基苯并咪唑烷作为四氢叶酸辅酶一碳单元转移新模型,在酸性条件下,以色胺作为接受一碳转移的亲核试剂,完成9种四氢-β-咔啉类化合物的新合成方法研究。

Benzoylated phenyl a - and B - 2 - thio - D - fructofuranosides were synthesized and coupled with protected sucrose acceptor to synthesize a - D - fructofuranoside - linkage stereospecifically by employing NIS/AgOTf as catalysts.

在果糖的合成研究中,合成了四苯甲酰基苯基果糖硫苷,并首次将其用作糖苷化反应的给体,在NIS/AgOTf的促进之下,与乙酰化保护的蔗糖受体反应,从而以高产率立体专一地合成了α构型的呋喃果糖苷。

Simultaneously we prepared benzimidazolines with two methods by the of reduction benzimidazolium salts with NaBH_4 and Grignard addition with benzimidazolium salts. Thus we provided a new biomimic synthetic method for 13 kind of tetrahydroisoquinoline starting from carboxylic aicd and halid, gave a new idea of the synthesis for new drugs.It can make many kind ofβ-carboline alkaloids which have bioactivity to antibacterium, antivirus and antitumor to start from 1,2,3,4-tetrahydro -β-carboline.

本文以1,3-二甲基苯并咪唑碘盐和2-取代的1,3-二甲基苯并咪唑碘盐为原料,采用了NaBH_4还原和Grignard试剂加成两种方法,制备了13种1,3-二甲基苯并咪唑烷和2-取代的1,3-二甲基苯并咪唑烷作为四氢叶酸辅酶一碳单元转移新模型,在酸性条件下,以2-(3,4-二甲氧基苯基)乙胺作为接收一碳转移的亲核试剂,完成了13种重要的四氢异喹啉类化合物的新合成方法研究。

The molecule was observed to adopt lying-down mode rather than the upright-standing mode at monolayer regime if the molecules were deposited by keeping the substrate at room temperature.

实验和理论研究结果表明:并四苯分子在四度对称的Cu(100)表面上,在室温下,单层条件下的并四苯分子也是平面吸附结构,而不是以前认为的直立吸附模式。

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This one mode pays close attention to network credence foundation of the businessman very much.

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