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Based on the recent progress in the field of mesoporous materials, the synthesis of mesoporous titania with crystalline walls was investigated in this paper.

在调研了国内外介孔材料研究领域的最新进展后,将合成具有晶型孔壁结构的介孔二氧化钛作为本论文的研究内容。

This paper puts forward that making the openings of castellated beam s rounded rectangular can avoid the corner stress centralization of the hexagon castellated beam and the expansion rate loss of the round castellated beam .

提出将蜂窝梁孔洞做成角部修圆的矩形,可以避免六边形孔蜂窝梁的孔角应力集中和圆孔蜂窝梁的扩张比损失。

The epoxide groups of the column were modified by a reaction with diethylamine that affords ionizable functionalities required for ion exchange chromatography. The influences of the contents of the cross-linker and porogen on column pressure were investigated.

考察了交联剂及致孔剂用量对色谱柱压力的影响,发现:随着交联剂用量的减小,致孔剂用量的增大,柱压下降;当交联剂和致孔剂用量达到一定水平后,柱压变化不再明显,但柱体机械强度降低。

Ultra-micro structure of dolomite is investigated, we put forward that interface chemistry and geochemistry in nanometer hole should affect on the dolomization.

发现苏皖凹凸棒石粘土中白云石属于纳米颗粒,研究了白云石超微观结构特征,提出纳米孔界面化学和地球化学对白云石化的可能影响,初步模拟实验验证白云石化与纳米孔界面化学、纳米孔地球化学的关联,白云石交代过程中成分转化和结构转化的多步骤过程。

Then the relations of structures and properties of microporous membranes used in lithium-ion batteries were discussed.

介绍了锂离子电池隔膜用微孔膜的制备原理与结构,重点叙述了熔融拉伸法和热致相分离法制备微孔膜的基本原理和膜结构影响因素,并在此基础上讨论了锂离子电池隔膜用微孔膜结构与性能之间的关系。

The supernatant was removed. The wells were divided into five groups with 12 wells in each group. The control group was added with 1 g/L dimethyl sulphoxide and 3.3 mmol/L or 16.7 mmol/L glucose, 1 mL per well. The four experimental groups were added with 1 mL 0.2 μmol/L, 1 μmol/L, 5 μmol/L, or 10 μmol/L clozapine apart from the above DMSO and glucose.

每12孔为一组,共5组:对照组的孵育液含1 g/L二甲基亚砜、3.3 mmol/L或16.7 mmol/L的葡萄糖液1 mL;4个不同浓度氯氮平组的孵育液除含有上述成分外,还分别含浓度为0.2,1.0,5.0或10.0μmoL/L氯氮平;各组有6孔继续孵育1 h,另外6孔继续孵育4 h;吸取上清液,保存于-20℃冰箱中待测。

The method comprises the following steps of: preparing and scraping polymer casting solution on the surface of clutch gold; conducting humidification treatment on the polymer casting solution by a humidifier or conducting phase inversion in non-solvent until phase inversion occurs in the polymer casting solution and micro porous membrane is formed; making use of the electrodeposition technology to allow tin or tutania to deposit on the surface of the clutch gold; conducting thermal treatment on the clutch gold with the protection of idle gas to obtain a Li-ion battery composite cathode electrode tab.

该方法包括如下步骤:配制聚合物铸膜液,并将聚合物铸膜液刮涂在铜箔表面;利用加湿器对铜箔上的聚合物铸膜液进行加湿处理,或在非溶剂中进行聚合物的相转化,直到聚合物铸膜液发生相转移形成微孔膜;通过电沉积工艺,使锡或锡合金通过微孔膜膜孔沉积在铜箔表面;铜箔在惰性气体的保护下进行热处理,得到锂离子电池复合物负极电极片。

This paper introduces the structure and operating principle of a new efficient underreamer which is provided with backreaming and gage protection.

针对国产常规扩孔器存在切削效率低,保径效果和倒划眼功能差的现状,设计了一种具有倒划眼和保径功能的BG型高效扩孔器,并对BG—118型扩孔器的水力推进机构、切削块伸缩机构和切削系统进行了设计计算。

The hydraulic push mechanism,cutting-block retract mechanism and cutting system of BG-118 underreamer have been designed and calculated.

针对国产常规扩孔器存在切削效率低,保径效果和倒划眼功能差的现状,设计了一种具有倒划眼和保径功能的BG型高效扩孔器,并对BG—118型扩孔器的水力推进机构、切削块伸缩机构和切削系统进行了设计计算。

The purpose of the gross and the clamps design for assailing silk on the body crest face of the D3115 diesel engine machine is to be accord with the size request of 43,83, and 71 when processing the 14 threads.For satisfying the request of producing rate,and because of the number of the threads is numerous.we adopt the single work form combination machine to carry out processing of the threads.

D3115,柴油机机体顶面攻丝机床总体及夹具设计的目的是使在3115柴油机机体上加工14个螺纹孔M14-6H时,在14个螺纹孔间符合43、83、71尺寸要求,且为了满足生产率的要求,顶面的螺纹孔数量较多,特采用立式单工位形式的组合机床对多孔进行攻丝加工。

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