多酸的

We have to add more acid to it .

我们不得不加入更多的酸。

Some patients with chronic hepatitis C have normal serum alanine aminotransferase levels, even when tested on multiple occasions.

一些慢性丙型肝炎患者有正常的血清丙氨酸转氨酶水平，即使在多次测试。

Then Doripenem came into the market in the July ,2005. We studied the synthesis of Doripemen.Firstly, we synthesized the chemical 2 from the starting material------o-hydroxylphenylacylamine through Reformastky reaction, alkylation, Diekmann reaction, enolization, esterification and etc. Secondly, we synthesized the chemical 3 from L — hydroxylproline through the protection of carboxyl, amidogen and hydroxyl group, reduction by NaBr, SN_2 substitution and Mitsumobu reaction.

我们以水杨酰胺为起始原料，经Reformatsky反应、烷基化、Diekmann环合、烯醇化、酯化等反应合成双环母核2；再从L-羟基脯氨酸出发，经酯化保护羧基、保护氨基、保护羟基、硼氢化还原酯得醇、Sn2取代和Mitsumobu反应等合成巯基侧链3；最后由化合物3经脱保护、水解得硫醇，和化合物2在二异丙基乙基胺的作用下缩合，最后Pd／C催化脱保护，历经16步反应最终得到产物多尼培南。

Methods the normal desensitization with antivenin 1-2 Ampere and dexamethasone 10mg and 0.9 sodium chloride 250ml intravenous drips take off the method 19 among those example sufferer apper the severe erythra and allergic shock during the period of cure adopting comprehensive treatment for promethazine and dexamethasone and 10 calcium gluconate the blood pressure reduced over lower add to use dopamine and metaraminol etc.

常规行抗蛇毒血清1-2支地塞米松10mg0.9NS250ml静脉点滴的脱敏方法，其中19例患者在治疗过程中出现全身性皮疹及过敏性休克，采用异丙嗪、地塞米松、10葡萄糖酸钙，血压下降过低者，加用多巴胺、间羟胺等综合治疗。

Results After the stimulation ,the rotating behaviour induced by apomorphine and improved distinctly, and DA content in the striatum increased (P＜0.01), and Glu content reduced significantly ( P＜0. 05).Content of the ASP had no change significantly.

结果 电刺激丘脑底核后，改善了PD大鼠的旋转行为，纹状体中多巴胺含量明显增加(P＜0.01)，谷氨酸含量明显减少(P＜0.01)，天门冬氨酸则无明显改变(P＞0.05)。

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Objective To study the differentiation of human glioma cells BT-325 induced by sodium butyrate in vitro.

目的 研究丁酸钠体外诱导人脑多型性胶质母细胞瘤细胞系 BT-325细胞的分化。

In 37 ℃, PH = 6.5 conditions, the experiment discussed caffeic acid and quercetin alone and in different mixing ratio of Anoplophora glabripennis in the polyphenol oxidase in vivo, the impact of the activity.

在37℃、PH=6.5的环境下，实验讨论咖啡酸与槲皮素单独作用以及以不同比例混合作用于光肩星天牛体内多酚氧化酶时，对酶活性影响。

Carboxylic acid is widely found in nature, a large class of organic compounds to benzene containing one or more carboxyl for its features.

羧酸是广泛存在于自然界的一大类有机化合物，以含一个或多个羧苯为其特征。

In addition, the applications of polyoxometalate in the area of biomimetic catalysis are discussed.

同时也关注了多金属氧酸盐在仿生催化领域的应用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐