查询词典 two step

A simple two step precipitation method was used to investigate the effect of Mg(superscript 2+) instead of Ca(superscript 2+) on fractionation of soybean glycinin and β-conglycinin. Compositional and physicochemical properties of the resulting protein fractions were characterized.

使用一种简单的两步沉淀方法研究了Mg(上标 2+)和Ca(上标 2+)对大豆球蛋白及β-伴球蛋白级分分级的影响，并对所得产品的某些理化性质进行了表征。

The optimum synthetic conditions of hexadecanoic acid diethanolamide used two-step method are as follows:(1)reaction temperature was 140℃, reaction time was 4.5hours and molar ratio of hexadecanoic acid to diethanolamide was 1:1.15.(2)reaction temperature was 80℃, molar ratio of hexadecanoic acid to diethanolamide was 1:1.55 and mass concentration of the catalyst was 0.8%, reaction time was 3 hours.

二步法合成十六酸二乙醇酰胺最佳合成工艺为：(1)反应温度140℃、反应摩尔比n十六酸∶n二乙醇胺=1∶1.15、反应时间4.5h；(2)反应温度80℃、反应总摩尔比n十六酸∶n二乙醇胺=1∶1.55、催化剂用量0.8%、反应时间3h。

Then the protected D-mannitol, mixed with lead tetraacetate, hippuric and acetic anhydride, were refluxed in THF for 18 h in a one-pot two step reaction to afford a chiral precursor-2-phenyl-4-[-2,3-O-]-propylidene-5(4H)-oxazolones.

产物与四乙酸铅、马尿酸、乙酐于THF中回流18 h完成一釜二步反应，纯化后得到含有手性碳原子的环丙烷氨基酸前体-2 苯基-4-[-2，3-O-]丙叉？

For systems with input saturation constraint and invertible static input nonlinearity, a two step generalized predictive control strategy is adopted.

对存在输入饱和约束和输入可逆静态非线性的系统，采用两步法广义预测控制策略。

For systems with input saturation constraint and invertible static input nonlinearity, a two step generalized predictive control strategy is adopted.

摘要对存在输入饱和约束和输入可逆静态非线性的系统，采用两步法广义预测控制策略。

The stability of isophorone disocyanate and the affecting factors of in-situ miniemulsion polymerization have been studied to carry out the simutaneous or two-step procesure of polyaddition and radical polymerization.

本文主要研究了水敏性单体IPDI的稳定性和原位细乳液聚合规律，探索在细乳液中分步或同步实现缩聚反应与自由基聚合的新方法，提出了水敏性单体的细乳液聚合实施方法。

A modification of two-step perfusion protocol and isopycnic centrifugation were used to isolate oval cells from liver. Primary oval cells were cutured in LE medium in vitro.

经门静脉灌注消化法和等密度离心法分离卵圆细胞，并在体外进行原代培养。

Methods SECs were isolated by collagenase perfusion combined with isopycnic centrifugation in a two-step percoll gradient and selective adherence, and identified by morphologic observation under light microscope, by immunocytochemistry for CD14 and Ⅷfactor related antigen, by immunofluorescence staining for RECA-1 and fenestrations under SEM.

方法用胶原酶灌注结合Percoll密度梯度离心加选择性贴壁的方法分离SEC；用光镜形态学、Ⅷ因子和CDl4免疫细胞化学染色及RECA.1单抗间接免疫荧光法及SEM鉴定SEC；采用TEM及AnnexinV联合PI双染的方法检测SEC的凋亡。

Intensity correlated imaging,which can realize the lensless Fourier-transform,the diffraction tomography and the two-step phase-retrieval algorithm are combined together to realize intensity correlated three dimensional diffraction tomography by using 650 nm pseudo-thermal light.

利用强度关联成像技术可实现无透镜傅里叶变换的特点，并结合衍射层析技术和二步相位恢复算法，使用波长为650 nm的赝热光实现了强度关联三维衍射层析。

Plane GaN films were grown on r-plane sapphire substrates by metalorganic chemical vapor deposition with a two-step AlN buffer layer.

采用MOCVD技术在；面蓝宝石衬底上采用两步AlN缓冲层法外延制备了α面GaN薄膜。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。