脱层

By using cetyltrimethylammonium bromide as organic treatment agent, phenylmethylsilicone/organic montmorillonite nanocomposites were prepared by in-situ intercalative polymerization.

用十六烷基三甲基溴化铵做有机化处理剂，通过原位插层聚合法制备了甲基苯基硅树脂／有机蒙脱土纳米复合材料。

It is important to approach air pollutants exposure of motorcyclists in different riding conditions . This study measured the in-riding concentrations of 10 gasoline-related monocyclic aromatic hydrocarbons by the Solid Sorbent-Thermal Desorption-Gas Chromatography Method .

本研究以固体吸附剂-热脱附-气相层析法(Solid Sorbent-Thermal Desorption-Gas Chromatography)采样分析台北市机车族行驶环境空气中十种与汽油燃烧、溢散相关的单苯环碳氢化合物(Monocyclic aromatic hydrocarbons， MAHs )浓度。

Electron microscopic examination showed that the spinal cords were normal in group N and A, slight edema of mitochondria and endoplasmic reticulum in group B, loosened fibrous layers in medullary sheath, edema and local degeneration of neuraxis in group C,and shrinkage of nuclear membrane, serious edema of ER, vacuolus change of mitochondria and local demyelination in group D.

电镜结果显示，N组和A组脊髓超微结构正常；B组线粒体、内质网轻度水肿；C组脊髓髓鞘纤维板层结构疏松，轴索肿胀，局灶变性；D组脊髓神经元细胞核膜皱缩，线粒体空泡样变，内质网肿胀严重，局灶性脱髓鞘改变。

Composites with organophilic montmorillonite have been prepared by adding oMMT to interpenetrating polymer networks of polyurethane and epoxy resin, which had been prepared by a sequential polymeric technique.

采用原位插层聚合与聚合物互穿技术相结合，制备了有机蒙脱土改性的聚氨酯／环氧树脂互穿网络复合材料。

The organophilic montmorillonites with increased interlayer spacings were prepared from hydrophilic clay by cation exchange with trimethylcetyl ammonium bromide.

通过阳离子交换的方法使蒙脱土由亲水性变成亲油性且层间距扩大。

Organophilic montmorillonite/SBS modified bitumen composites were prepared by melt intercalation and their microstructures were charactenzed by XRD and fluorescence microscopy. The physical properties and ageing properties of OMMT/SBS modified bitumen were investigated.

采用熔融插层法制备了有机蒙脱土/SBS改性沥青，利用SRD和荧光显微镜表征了OMMT/SBS改性沥青的微观结构，研究了OMMT对SBS改性沥青物理性能和老化性能的影响。

The glass transition temperature from DMTA analysis revealed the glass transition temperature of the extragallery cured epoxy resin and was in relation to the curing temperatures. Addition of organophilic montmorillonite led to the disappearance of the α' peak of loss tangent of the nanocomposites.

DMTA测试表明，所测的玻璃化转变温度是层外固化环氧树脂的玻璃化转变温度，并发现二亚乙基三胺固化环氧树脂纳米复合材料的玻璃化转变温度与固化温度紧密相关，且加入蒙脱土后纳米复合材料的低温α'松弛峰消失。

The flame retardant PP-g-MAH/OMMT nanocomposite master batch was prepared with maleic anhydride grafted polypropylene and organophilic montmorillonite by melt intercalation. The master batch was characterized by means of XRD and TGA. Flame retardant PP with high flame retardancy and mechanical properties was prepared with PP-g-MAH/OMMT master batch and magnesium sulfate whisker.

以聚丙烯接枝马来酸酐和有机蒙脱土为原料，通过熔融插层制备了PP-g-MAH/OMMT纳米复合阻燃母料，利用X射线衍射及热失重分析对其进行了表征，并将其与碱式硫酸镁晶须复配，制备了阻燃性能及力学性能优良的阻燃PP。

The in-situ epoxidation and in-situ grafting of unstaturated rubber,in-situ synthetic poly-unstaturated carboxylate,surface in-situ chemical treating of rubber filler,montmorillonite in-situ plugging plyer/peeling,in-situ preparing SiO2 by sol-gel technology were presented.The modification method and effect of rubber were addressed,and the practic application possibility of modificated rubber to rubber goods was researched.

介绍了不饱和橡胶的原位环氧化和原位接枝、原位合成聚不饱和羧酸盐、橡胶填充剂表面原位化学处理、蒙脱土原位插层/剥离、溶胶-凝胶法原位生成SiO2等原位反应合成技术在橡胶加工和改性方面的应用研究工作，讨论了各种改性橡胶方法的特点以及改性效果，并探讨了改性橡胶材料在各种橡胶制品行业实际应用的可能性。

Results: Axial scanning including vertebral arch can show spondyloschisis and other signs. These contained widened or stenosis of the spinal canal, stenosis of he lateral recess, the double margin sign, deformity of the lateral recess, the double margin sign, deformity of the intervertebral disc, denegeration of the joint facet and thickening of the ligamentum flavum. Scotty dog sign were showed in images reconstructed along the direction of vertebralarch.

结果：包括椎弓根层而的轴位扫描均能显示峡部裂和其他伴发表现，包括椎管增大或变窄，侧隐窝狭窄、双边征、椎间盘变形、椎小关节退行性变和黄动心忍性韧带肥厚采用平行于峡部的椎弓长轴MPR、MIP斜矢状面重建能直观显示峡部裂的典型表现－猎狗项圈征，正中矢状面重建能显示椎体滑脱。

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