二层的

Two different ways of sample tilt were used in CD messurements to prove that the linear dichroism and birefringance had no effect on CD signal of cholesteric helices of the liquid crystal.

分别用两种方法旋转玻片进行CD测试，结果证明线性二向色性分量和双折射分量对胆甾层片螺旋的CD信号强度没有大的影响。

Proteins associated with the membrane and the cytosolic portions of the proteome under different copper ion concentrations were differentially labeled with an acid cleavable isotope-coded affinity tag reagent, and the labeled peptides were separated by two-dimensional chromatography and characterized by electrospray ionization-tandem mass spectrometry.

我们分别将在不同铜离子浓度下的细胞质以及细胞内膜中所有蛋白质标识上酸裂性同位素亲和性标识(acid cleavable isotope-coded affinity tag， cICAT)试剂，用二次元管柱层析将所有标识并酵素水解过的片段分离，并且用电洒式串连质谱(electrospray ionization-tandem mass spectrometry， ESI-MS/MS)以及基因体定序资料库决定蛋白质序列。

Process technology for manufacture of δ-layered crystalline sodium disilicate using dilute alkali liquor and acidic silica residue ,which are waste effluents from zirconium oxychloride production,with supplement of a small amount of quartz sand was studied.

利用氯氧化锆生产过程中排放的稀碱液、酸性硅渣辅加少量石英砂，研究了δ-层状结晶二硅酸钠的制备工艺，得到较佳合成工艺条件为：反应液配比M=n(S iO2)/n(Na2O)=2。

As for XYN-OU, it could retain over 50% activity from the pH value 4.0 to 9.0 at 50°C in 30 min. The result of the mutated xylanase indicated that constructed disulphide bridge could improve its thermostability at relatively higher temperature.

对木聚糖酶分子改良的结果反映出在β片层间添加二硫键可以有效改善酶在较高温度下三维结构的刚性，提高热稳定性。

There was only one left on the fifth floor of the Doria Palace, and that has been let to a Russian prince for twenty sequins a day.

杜丽亚宫的六层楼上本来还剩一个，但已经以每天二十威尼斯金洋的租金租给一位俄国亲王了。

Exclaimed Signor Pastrini,--"utterly impossible; there was only one left on the fifth floor of the Doria Palace, and that has been let to a Russian prince for twenty sequins a day."

派里尼老板大声说道，&绝对不可能。杜丽亚宫的六层楼上本来还剩一个，但已经以每天二十威尼斯金洋的租金租给一位俄国亲王了。&

The mathematical relationships among mixed layer thickness, ore recovery and waste dilution against drawpoint spacing, volume per drawing, cut-off waste dilution and level interval are studied in details. It shows that the contact face between ore and waste as a ideal interface is incorrect during drawing.

以二次回归正交放矿计算机仿真实验为研究手段，以单一采场放矿为研究对象，详细地阐明了混杂层厚度、矿石回贫指标与漏斗间距、一份放出量、截止废石混入率及阶段高度之间的数学关系；研究指出：在放矿过程中，将崩落矿岩接触带视为一理想界面是不正确的。

The 3D reconstruction could display the changes of the chiastopic fusion of different nerve functional fascicular groups directly. It could extract alone, merge and combine arbitrarily

基于二次成像技术和Photoshop 图像处理软件图层处理技术的计算机自动配准可应用于长段周围神经的三维可视化重建，重建快捷，效果较好。

Polystyrene-MMT nanocomposites were prepared by free radical polymerization of styrene containing dispersed clay. The organophilic MMT particles were easily dispersed and swollen in styrene monomer.

采用双－苯基二甲基十八烷基溴化铵作为有机插层剂对钠基蒙脱土进行了有机化处理，该有机化的蒙脱土粒子在苯乙烯单体中很容易地均匀分散并形成稳定的胶体溶液。

Various log and core data are used to estimate the petrophysical parameters such as porosity and permeability, and to define the distribution and petrophysical properties of the framework sandbodies in each formations of the PermoCarboniferous in the Bohai Bay basin.

应用录井、测井及岩心资料，测定了孔隙度、渗透率等物性参数，查明了渤海湾盆地石炭-二叠系各地层组的骨架砂岩展布特征及其物性特征；应用相比法编图对渤海湾盆地石炭纪、二叠纪岩相古地理进行了恢复，研究了沉积相对储层及其物性特征的控制作用。

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