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含氨基
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  containing amino
     Comparative Research of Thermal Stability Effect of Zinc Organate Containing Amino on PVC
     含氨基锌盐对PVC热稳定性影响的比较研究
短句来源
     Studies on Adsorption of Bilirubin by Crosslinking Poly(2-hydroxyethyl methacrylate) Adsorbents Containing Amino Group
     含氨基聚甲基丙烯酸羟乙酯树脂对胆红素的吸附性能研究
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  “含氨基”译为未确定词的双语例句
     Zirconium phosphate (α-Zr(HPO_4)_2-H_2O) is a kind of layered inorganic ion-exchangers, that is named as α-ZrP. In this thesis, the chiral amino compounds、 chiral 2-aminoalconol and 1, 1'-Binaphthyl-2, 2'-diol ligands were immobilized on the zirconium phosphonate framework, and the asymmetric addition of diethylzinc to benzaldehyde had also studied.
     α-Zr(HPO_4)_2·H_2O(简称α-ZrP)是一类具有层状结构的无机离子交换剂,本文将手性含氨基化合物,手性氨基醇和手性联二萘酚骨架引入到α-Zr(HPO_4)_2·H_2O的骨架中,并探索了其对二乙基锌与苯甲醛的不对称催化反应的催化性能。
短句来源
     Sorption Behaviors of Five Kinds of Functional Polymers Bearing Amino Pyridine Groups for Ir(Ⅳ) and Ru(Ⅳ) Ions
     五种含氨基和吡啶基功能性聚合物对Ir(Ⅳ)、Ru(Ⅳ)的吸附行为
短句来源
     A study on emulsions breakdown of separating amino J acid from wastewater by emulsion liquid membrane
     乳化液膜法处理含氨基J酸工业废水中破乳的实验研究
短句来源
     Materials named H/NN-HOM-5 and SH-HOM-5 with functional groups thiol- and amine- were prepared, which had adsorption ability of objective ions in aqueous solution.
     分别用含氨基和巯基的有机硅烷TM-551和TM-580对HOM-5进行了后续功能化处理,制备出了对水中Cr(Ⅵ)和pb~(2+)离子具有去除能力的吸附材料H/NN-HOM-5和SH-HOM-5。
短句来源
     Synthesis of Amido Polymer Formaldehyde Capture Agent
     含氨基聚合物游离甲醛捕获剂的合成
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  相似匹配句对
     Epoxy Resin Modified by Polysiloxane with Side Amino Group
     氨基聚硅氧烷改性环氧树脂
短句来源
     Synthesis of Polydimethylsiloxane Oligomers with Pendant Amine Groups
     氨基聚二甲基硅氧烷齐聚物的合成
短句来源
     Chromium-containing phosphate
     铬的磷酸盐
短句来源
     AMINO-SILICONE SOFTENER
     氨基聚硅酮柔软剂
短句来源
     Generalized Functions Containing Parameter
     参变量t的广义函数
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  containing amino
Studies on synthesis and molecular dynamics simulation of dendrimers containing amino acids and peptides
      
The kinetics of the conversion of the sulfur-containing amino acids L-cystine and L-cysteine to taurin by the enzyme system of cattle liver cells was studied and a mathematical model was developed.
      
Use of Flow-Injection Conductometry of Strong and Weak Protolytes in Solutions Containing Amino Acids
      
Based on the results of systematic studies, it was demonstrated that flow-injection conductometry can be used in solutions containing amino acids for the determination of low concentrations of strong and weak acids and bases.
      
Electrocatalytic Oxidation and Flow-Injection Determination of Sulfur-Containing Amino Acids at Graphite Electrodes Modified wit
      
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In the present investigation,a new route leading to the synthesis of 1-phenyi-1,3-propanediol(Ia)and 1-(substituted-plienyl)-1,3-propanediols throughWohl-Ziegler reaction has been described.Compound Ia was propared from 3,5-dinitrobenzoate of 3-phenylpropanel(Ⅱa)by converting first to 3-bromo-3-phenylpropanol,dinitrobenzoate(Ⅲa,m.p.122°)with bromosuccinimido,fol-lowell by treatment with silver acetate(or potassium acetate)and hydrolysis.Iaso prepared as well as its dinitro-bonzoato derivative was identical in...

In the present investigation,a new route leading to the synthesis of 1-phenyi-1,3-propanediol(Ia)and 1-(substituted-plienyl)-1,3-propanediols throughWohl-Ziegler reaction has been described.Compound Ia was propared from 3,5-dinitrobenzoate of 3-phenylpropanel(Ⅱa)by converting first to 3-bromo-3-phenylpropanol,dinitrobenzoate(Ⅲa,m.p.122°)with bromosuccinimido,fol-lowell by treatment with silver acetate(or potassium acetate)and hydrolysis.Iaso prepared as well as its dinitro-bonzoato derivative was identical in physicalconstants with that reperted in literature.By applying the same procedure,the following compounds were prepared:3-bromo-3-(o-phthalimido-p-nitrophenyl)-propanol acetute(Ⅲb,m.p.136°),3-bromo-3-(o-phthalimidemethyl-p-nitrophonyl)-propanol acetate(Ⅲc,m.p.120°),3-bromo-3-(o-cyano-p-nitrophenyl)-propanol.benzoate(Ⅲd,m.p.105°),1-(o-phthalmido-p-nitrophenyl)-1,3-propanediol acetate(Ⅳ,m.p.139°),1-(o-phthalimidomethyl-p-nitrophonyl)-1,3-propanodiol diacetate(Ⅳc,m.p.174°),1-(o-cyano-p-nitrophonyl)-1,3-propanodiol-1-acotate-3-benzoate(Ⅳd,mp.120°) and 1-(o-amino-p-nitrophenyl)-1,3-propanediol(Ib).The last compound has notbeen isolated as a pure substance,but isolated as its derivative,1-(o-dichloroacetyl-amino-p-nitrophenyl)-1,3-propanediol mono dichloroacetate(V,m.p.136°).Theyields,of the above compounds were usually satisfactory.3-(o-phthalimido-p-nitrophenyl)-propanol acetate(Ⅱb,m.p.124°)and 3-(o-phthalimidomethyl-p-nitrophenyl)-propanol acetate(Ⅱc,m.p.165°)wereprepared respectively from 3-(o-amino-p-nitrophenyl)-propanol(Ⅵa) and 3-(o-aminomethyl-p-nitrophenyl)-propanol(Ⅵb) by selective acetylation withacetyl chloride in acetic acid,saturated with hydrogen chloride,to form 3-(o-amino-p-nitrophenyl)-propanol acetate(Ⅶa,m.p.101°,its N-formyl Ⅷa,m.p.113°,and N-carbethoxy Ⅷb,m.p.106°)and 3-(o-aminomethyl-p-nitrophenyl)-prepanol acetate(Ⅶb,picrate,m.p.203°)The desired productswere obtained by fusing Ⅶa and Ⅶb with phthalic anhydride.When Ⅱb wassubjected to hydrolysis in a mixture of acetic acid and dilute hydrochloric acidⅦa was obtained,but in a mixture of ethyl alcohol and dilute hydrochloric acidit gave Ⅵa.Hydrolysis of Ⅲb in a mixture of acetic acid and hydrobromic acid,acompound,C_9H_6O_2N_2,was obtained.Both melting point and analytical data cor-respond to 7-nitroquinoline(Ⅸ)obtained by Bradford et al.The authors also reported another method to prepare substituted phenylpropanediol:when 3-o-nitrophenyl-3-hydroxy-propanal(Ⅹ)was reduced withlithium aluminium hydride,1-o-nitrophenyl-1,3-propanediol,isolated as itsdibenzoate (Ⅻ,m.p.132°),was obtained in low yields.

1,本文叙述从3-苯基丙醇的3′,5′-二硝基苯甲酸酯借 Wohl-Ziegler 溴化反应合成 1-苯基-1,3-丙二醇。2.用相同方法从3-(邻取代基-对硝基苯基)-丙醇酯合成1-(邻取代基-对硝基苯基)-1,3-丙二醇的相应的衍生物。此方法各步产量较高,可以用作在连于苯环的碳原子上引入一个羟基的制备方法。3.含氨基的化合物进行 Wohl-Ziegler 溴化反应时,最好用邻苯二甲酰基,保护氨基。4.3-溴代-3-(邻苯二甲酰亚氨-对硝基苯基)-丙醇乙酸酯在乙酸氢溴酸混合液中水解,获得7-硝基喹啉。

Stichopus japonicus Selenka, a kind of sea cucumber, has long been used in traditional Chinese medicine. An antitumor polysaccharide was extracted by hydrolysing its cell wall with both pepsin and pancreas homogenate followed by fractional precipitation with alcohol. After decolorization, the crude product was further purified by chromatography on a DEAE-cellulose column. The polysaccharide was obtained in acetate buffers (pH 6.0)containing 0.8 M NaGl0 as eluate. By electrophoretic and ultracentrifugal analysis,...

Stichopus japonicus Selenka, a kind of sea cucumber, has long been used in traditional Chinese medicine. An antitumor polysaccharide was extracted by hydrolysing its cell wall with both pepsin and pancreas homogenate followed by fractional precipitation with alcohol. After decolorization, the crude product was further purified by chromatography on a DEAE-cellulose column. The polysaccharide was obtained in acetate buffers (pH 6.0)containing 0.8 M NaGl0 as eluate. By electrophoretic and ultracentrifugal analysis, the preparation was shown to be quite pure. The specific rotation, intrinsic viscosity and sedimentation constant were measured, and a high metachromatic activity was demonstrated. The component sugars of the polysaccharide were identified as. galactosamine, hexuronic acid, fucose and sulfate, and their molar ratio was about 1:1: 1: 4, respectively. Thus the sulfated mucopolysaccharide obtained is widely different from all the known acidic polysaccharides isolated previously from sea cucumbers including stichopus iaponicus.

刺参为一海洋动物性药材,具有多种医疗用途。作者以刺参体壁(中药药用部位)经胃蛋白酶及胰匀浆水解去蛋白,以乙醇沉淀粗多糖,后者采用氧化法脱色及二乙氨乙基纤维素分离、提纯,获得具有抗肿瘤活性的刺参多糖。本品显示强异染活性,电泳及超离心分析证明为单一成份。对多糖的组成分析指出,本品含氨基半乳糖,已糖醛酸、岩藻糖和硫酸酯,其分子比值为1∶1∶1∶4,可以认为本品为一种硫酸粘多糖。该多糖在组成上与文献报道的各种海参多糖不同。本研究测定了刺参酸性粘多糖的比旋度、特性粘度及沉降系数。

Human cytomegalovirus(HCMV)latency model in human embryonic foreskin cells(HEF)was established with 500ng/ml of Tunicamycin(TM) which is a glucosamine-containing antibiotic that specifically inhibits glycosylation of proteins. Toxic effects in confluent monolayer cultures occurred when more than 500ng/ml of TM was used. The different concentrations of TM reduced the yield of HCMV to varying degrees, however, HCMV was not totally inhibited. At 5 days postinfection HCMV was not detectable at a TM concentration...

Human cytomegalovirus(HCMV)latency model in human embryonic foreskin cells(HEF)was established with 500ng/ml of Tunicamycin(TM) which is a glucosamine-containing antibiotic that specifically inhibits glycosylation of proteins. Toxic effects in confluent monolayer cultures occurred when more than 500ng/ml of TM was used. The different concentrations of TM reduced the yield of HCMV to varying degrees, however, HCMV was not totally inhibited. At 5 days postinfection HCMV was not detectable at a TM concentration of 1000ng/ml. HEF monolayer cultures were infected with HCMV and maintained for 7 days in maintenance medium containing 500ng/ml of TM。Infectious virus became undetectable and remained undctectable for periods of at least 135 days postinfection after TM treatment and incubation at 40.5℃. The high titers of infectious HCMV could be detected by decreasing the incubation temperature from 40.5℃ at any time during the latent period. To determine the number of latently infected cells maintained at 40.5℃, infectious center assays were carried out. The infectious center titers ranged from 0.0004%—0.005%. The results showed a low reactivation rate.

用具有特异性抑制蛋白质糖基化作用的含氨基葡糖的衣霉素Tunicamycin(TM)处理人胚包皮细胞(HEF)建立起人巨细胞病毒(HCMV)的潜伏性感染模型。观察了TM对HEF细胞及HCMV的毒性作用,当TM浓度大于500ng/ml时对单层细胞生长有影响;在TM浓度为500ng/ml时,细胞生长虽受一定程度的影响,但仍然逐步生长扩增;不同浓度的TM对HCMV有不同程度的影响,但不能将全部HCMV在短期内完全抑制,在TM含量1000ng/ml的维持液中处理5日的HCMV感染细胞培养物中未检出感染性病毒。感染HCMV的HEF单层细胞保持在含TM500ng/ml的维持液中于37℃培养7日,然后换加不含TM的维持液并改置40.5℃中培养,可保持HCMV以非感染性的病毒状态潜伏于HEF细胞内长达135日;在此潜伏期间如将细胞培养物由40.5℃再移置37℃中培养,HCMV能被激活为可检测到高滴度的感染性病毒。定期取在40.5℃中培养的HCMV潜伏感染细胞培养物进行感染中心测定(Infections Center Assays),感染中心滴度(Infectous Center Titer)为0.0004%~0.0...

用具有特异性抑制蛋白质糖基化作用的含氨基葡糖的衣霉素Tunicamycin(TM)处理人胚包皮细胞(HEF)建立起人巨细胞病毒(HCMV)的潜伏性感染模型。观察了TM对HEF细胞及HCMV的毒性作用,当TM浓度大于500ng/ml时对单层细胞生长有影响;在TM浓度为500ng/ml时,细胞生长虽受一定程度的影响,但仍然逐步生长扩增;不同浓度的TM对HCMV有不同程度的影响,但不能将全部HCMV在短期内完全抑制,在TM含量1000ng/ml的维持液中处理5日的HCMV感染细胞培养物中未检出感染性病毒。感染HCMV的HEF单层细胞保持在含TM500ng/ml的维持液中于37℃培养7日,然后换加不含TM的维持液并改置40.5℃中培养,可保持HCMV以非感染性的病毒状态潜伏于HEF细胞内长达135日;在此潜伏期间如将细胞培养物由40.5℃再移置37℃中培养,HCMV能被激活为可检测到高滴度的感染性病毒。定期取在40.5℃中培养的HCMV潜伏感染细胞培养物进行感染中心测定(Infections Center Assays),感染中心滴度(Infectous Center Titer)为0.0004%~0.005%,只有很低的病毒重激活率。对潜伏性感染及TM引起疱疹病毒的潜伏性机理结合文献作了简要讨论。

 
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