酸式

MATERIALS AND METHODS: After the male and female ICR mice copulated, the presence of vaginal plug the following morning was considered as gestational day 0 (GD0). At GD9, GD10, GD11 and GD12, the pregnant mice in the treatment group were treated with 80 mg/kg all-trans-retinoic acid, and those of the control group received the same volume of soybean oil. At GD18, pregnant mice were killed and the embryos were harvested. The abnormalities of the embryos in the treatment group were studied.

材料与方法： ICR小鼠合笼后，查到阴栓当天为孕期第0天(GD0)，孕鼠共50只，随机分为GD9、GD10、GD11、GD12给全反式视黄酸(all-trans-retinoic acid，atRA)实验组和对照组，共5组，每组10只，实验组经口灌胃1次给予孕鼠80 mg/kg atRA，对照组则给予等体积的大豆油，于GD18将孕鼠处死并取出胎鼠，观察不同时间给予孕鼠atRA的胎鼠的短肢畸形情况。

Then the aluminium sulfates were prepared by sulfation and salt formation, and their IR spectra were analyzed.

对制得的几种碱式铝盐进行了红外光谱分析和有机硫含量、铝含量及样品制酸力等部分理化性质的测定。

Based on the dynamic composting process of wastewater sludge from China Resources Breweries Co., Ltd., the dynamics of different operational and evaluating indices, such as temperature, moisture content, pH, humic acid, total organic carbon, total nitrogen, water-soluble organic carbon and germination index and so on, during the treatment process were discussed. The results indicated that cottonseed cake used as compost amendment of brewery sludge.

为快速高效无害化处理啤酒厂污泥，对啤酒厂的污水污泥进行微好氧堆肥发酵处理工艺进行了研究，重点研究了啤酒厂污水污泥袋式堆肥过程中温度、含水率、pH值、腐殖酸、有机碳、全氮、水溶性有机碳、发芽指数等参数的变化规律。

I also remember how I used to imitate his signature dance move, the 'Moonwalk' and his 'Robot-style Breakdance':- Also, whenever Calvin tries to beatbox, I would mix in a bit of 'Smooth Criminal' rhythm into his tempo!

我还记得我曾模仿他的签名舞蹈的行动中，' Moonwalk '和他的'机器人式的霹雳舞'：-酸溶铝啊，每当卡尔文尝试beatbox ，我想组合有点顺利刑事'到他的节奏节奏！

Methods: Fat extracted from food and oil sample was determined directly on the ZnSe crystal cisterna of horizon attenuation total reflection equipment with deuterated triglycine sulfate detector in the FT-IR.

食品中提取的脂肪或油脂样品直接置于红外光谱仪的水平衰减全反射部件的槽式ZnSe晶体上，氘化三甘氨酸硫酸酯检测器检测。

The basic broth is made of stock and fresh ingredients such as lemon grass , kaffir lime leaves, galangal , shallots , lime juice, fish sauce , tamarind , and crushed chili peppers .

最基础的冬阴功汤是由原汤加新鲜配料烹制而成的，配料包括：香茅，泰式青柠草、高良姜、红葱头、青柠汁、鱼露、酸豆和辣椒面。

Preparation of ultra fine MgNi2 powder via reduction of the oxide precursor was systematically studied.The precursor was prepared with nickel nitrate,magnesium nitrate and glycin as start materials by combustion method.

以Mg(NO3)2和Ni(NO3)2为原料，用甘氨酸作为氧化剂，采用燃烧法制备约50 nm的混合金属氧化物前躯体，再在H2气氛保护下的管式炉中用CaH2还原制备MgNi2合金。

In the fifth part, asymmetric synthesis of β,γ-trans-alkenyl α-amino esters was achieved by chiral phosphoric acid catalyzed transfer hydrogenation of β,γ-alkynyl α-imino esters. Utilizing Hantzsch ester as the hydrogen donor, both the alkyne and imine moieties of β,γ-alkynyl α-imino esters were reduced to yield β,γ-trans-alkenyl α-amino esters with up to 96% ee.

第五部分工作中，使用手性磷酸作为催化剂，Hantzsch酯作为氢源，β，γ-炔烃取代的α-酮酸酯亚胺中的炔键和亚胺官能团均被还原，以中等的收率和优秀的对映选择性（up to 96% ee）得到β，γ-反式烯烃取代的α-氨基酸衍生物。

Cis-C=C configuration on 2 position is easily isomerized to trans-form in environment according to literatures, but cycloproyl do it difficut relatively. So, replacement of 2,3- allyl unit by cyclopropyl group might give a practical method to get over the problem.

为解决脱落酸2位双键在环境中易光异构化为反式结构的问题，依据电子等排体原理，将2，3-位的烯丙型的结构改变为环丙型结构，将可能解决光异构化的问题。

Methods hNPCs were derived from the striatums of human embryos at 12 weeks＇gestation and cultured with serum-free medium in presence of EGF and bFGF.

目的观察全反式视黄酸对体外培养的人神经前体细胞的诱导作用，研究在这个过程中细胞周期调节蛋白p27^Kip1、p21Cip1及相关分子cdk2、cyclinE的变化，探讨p27脚。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷