盐酸

Main products: Ifosfamide,Ifosfamide acylate,2-Deoxy-D-Glucose,Vecuronium Bromide, Ceftiofur Hcl,Ceftiofur Sodium,Buflomedil Hcl,Oteracil Potassium,Gimeracil,Cinildipine, Manidipine dihydrochloride,Pemetrexed intermediate,Pemetrexed acid,Pemetrexed Disodium, Nisoldipine, Racecadotril, Strontium Ranelate, 1-(3-Trifluoromethylphenyl)piperazine hydrochloride, 4-Bromo-2-methylbenzoic acid.

主营业务：主要产品有：异环磷酰胺、异环磷酰胺酰化物、2-脱氧-D-葡萄糖、维库溴铵、盐酸头孢噻呋、头孢噻呋钠、氧嗪酸钾、吉莫斯特、西尼地平、盐酸马尼地平、培美曲塞、培美曲塞酸、培美曲塞二钠、尼索地平、消旋卡多曲、雷尼酸锶、盐酸丁咯地尔、1-(3-三氟甲基苯基)哌嗪盐酸盐、4-溴-2-甲基苯甲酸。

Lidocaine hydrochloride reacts with phenol red or chlorophenol red to form an ion-association complex, the colours of solutions change obviously, the maximum absorption wavelength at 556 nm (PR-LDCI system) and 572 nm (CPR-LDCI system), the adding colours intensity is also proportional to the concentration of lidocaine hydrochloride, to develop spectrophotometric method of determination of lidocaine hydrochloride.

酚红、氯酚红分别与盐酸利多卡因作用，形成离子缔合物，溶液颜色发生明显改变，最大吸收波长分别为556 nm、572 nm，在对应波长处，盐酸利多卡因的浓度与溶液的增色程度呈良好线性关系，从而建立测定盐酸利多卡因的光度法。

On the basis of the kinetic equation of substrate reaction in the presence of urea or guanidine hydrochloride, all microscopic kinetic constants for the free enzyme and enzyme-substrate binary and ternary complexes have been determined. The results of the present studies indicate that:①In the presence of urea or guanidine hydrochloride, enzyme-substrate complexes lose their activity less rapidly than the free enzyme. Therefore, both substrates, NADPH and 7, 8-dihydrofolate, protect dihydrofolate reductase against inactivation.②The denaturation of dihydrofolate reductase by urea follows single-phase kinetics, and changes in enzyme activity and tertiary structure proceed simultaneously in the unfolding process, so it may be an"all or none"process.③The GdnHCl-induced unfolding of the dihydrofolate shows a biphasic transition, while the change in the enzyme activity is a single exponential process. The rate constant of inactivation is consistent with that of the fast conformational change. Therefore, the kinetic intermediate of protein unfolding should be a partially folded and inactive form.

我们根据在脲或盐酸胍存在下的底物反应动力学方程求得游离酶和酶底物二元、三元复合物的微观动力学常数，结果表明：①酶-底物二元、三元复合物的失活速度明显慢于游离酶，说明两个底物二氢叶酸和NADPH对酶的失活都具有一定程度的保护作用；②在脲作用下，酶的失活和构象变化均为单指数项过程，而且酶的活力丧失和三级结构变化是同时发生的，说明二氢叶酸还原酶的脲变性可能是一个"全或无"的两态过程；③在盐酸胍作用下，酶的构象变化为两相过程，而失活则是单指数项过程，酶分子构象变化的快相速度常数与失活速度常数基本一致，因此我们认为二氢叶酸还原酶的盐酸胍变性过程中存在一个没有活力、但仍具备一定空间结构的变性中间体。

Shanghai Kyowa Amino Acid Co., Ltd. is a Sino-Japan joint venture found ed by Guanshengyuan Co.,Ltd and Kyowa Hakko Kogyo Co.,Ltd.

现公司最新供应以下产品： L-丙氨酸、L-精氨酸、L-盐酸精氨酸、L-门冬氨酸、L-谷氨酸、L-组氨酸、L-盐酸组氨酸、L-盐酸赖氨酸、L-脯氨酸、L-丝氨酸、L-苏氨酸等。

Discussing the Oxidability of Nonmetal Oxyacid;2. Pure muriatic acid does not have oxidability .

纯盐酸不具有氧化性，然而由于盐酸制造工艺的不同，通常会使工业盐酸具有一定的氧化性，这将会导致阳树脂在再生中受到氧化而遭受破坏，从而影响纯水的制造质量。

The curative effect of Triprolidine Hcl to 60 cases with chronic nettle rash was studied by adopting different approaches,which provides theory basis for clinical applying of Triprolidine Hcl-a new histamine H1 receptor antagonist.

为探讨盐酸曲普利啶治疗慢性荨麻疹的疗效，将60例慢性荨麻疹患者，随机分为两组，盐酸曲普利啶治疗组30例及特非那丁组30例，结果两组间有显著性差异，为新一代组胺H1受体拮抗剂—盐酸曲普利啶的临床应用提供了一定的理论依据。

The effects of reaction temperature,reaction time,ultrasound frequency,agitating velocity and HCl amount on the yield and purity of abietic acid were investigated by orthogonal experiment.

通过正交优化实验考察了反应温度、反应时间、超声波频率、搅拌转速、盐酸用量对枞酸单离收率和纯度的影响，确定最佳异构化反应条件为：超声频率47.2 kHz，反应温度55℃，盐酸用量0.06 mL盐酸。

ABSTRACT Inhibition mechanism and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles whose inhibition is caused by chemical adsorption and quaternary ammonium salts whose inhibition is caused by physical adsorption are mainly studied from microscope through quantum chemistry calculation, and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are studied by making use of model-constructing thought of grey theory in this paper.

本文主要通过量子化学计算，从微观角度研究了化学吸附型缓蚀剂苯腈类化合物和物理吸附型缓蚀剂季铵盐在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系；并运用灰色理论建模思想，研究了苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构的关系。其中，通过量子化学计算，从微观角度研究物理吸附型缓蚀剂在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系，是在尝试着进行；而运用灰色理论建模思想，研究缓蚀剂缓蚀性能与分子结构的关系，是一项具有尝试性和开拓性的工作。

Based on their distinctive optical properties, a method of determining the specific rotation was set up to distinguish these two kinds of chemical materials in the standard for detection of levogyrate preparati.

二者的差别在于盐酸噻咪唑为外消旋体，盐酸左旋咪唑为左旋体，通过利用两种物质的光学特性，在盐酸左旋咪唑制剂的检测标准中设立比旋度测定方法，从而将两种不同的物质加以区

The products produced throughout the year are :Chlopromazine Hydrochloride ;Metformin Hydrochloride ,Clozapine,Glipizide etc.in which Pheny butazone Metformin Hydrochloride and Clozapine have achieved the American FDA Certificate.

上海市医药股份有限公司第十五制药厂建于1931年，生产盐酸二甲双胍、格列吡嗪、氯氮平、保泰松、盐酸氯丙嗪等29个产品，其中，盐酸二甲双胍、氯氮平、保泰松这三个产品已通过美国FDA认证。

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。