• 这类新型谐振单元尺寸大大缩小结构紧凑,为频段的频率选择性表面阵列的实现提供了可能

    These new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface.

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  • 研究了诺卡氏不同影响因素条件下,在黄铁矿闪锌矿表面选择性吸附

    The selective adsorption of Nocardia on the surface of pyrite and sphalerite was studied under various conditions.

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  • 乙基选择性则与催化剂的表面强度、酸性中心位置孔道结构等因素有关。

    Ethylation selectivity, was affected by strength of surface acid sites, location of acid sites and pore structure.

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  • 研究了分枝杆菌不同影响因素条件下,在黄铁矿闪锌矿表面选择性吸附情况。

    The selective attachment of Mycobacterium Phlei on the surface of pyrite and sphalerite is studied by various factors.

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  • 由于纳米材料催化剂具有独特的晶体结构表面特性因而催化活性选择性大大高于传统催化剂。

    Nanometer catalyst material had peculiar crystallographic structure and surface property, thus its catalytic activity and selectivity were too much greater than these of traditional catalyst.

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  • 本文主要内容介绍晶体太阳电池选择性扩散工艺表面钝化理论研究

    It is described that the innovatory technology of selective diffusion and study on surface passivation in theory for crystalline silicon solar cell.

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  • 第二选择性只与表面库伦作用力有关。

    Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity.

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  • 自然杀伤细胞通过其表达不同类型受体选择性识别细胞表面的相应配体提供自然杀伤细胞反应自我调节信号

    Different types of receptors expressed by natural killer (NK) cells may selectively recognize their specific ligands on some other cells and provide self-regulatory signals to control NK responses.

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  • 几种表面活性剂对煤浮选良好的促进作用,具有捕收能力强、选择性节油明显优点,有较好的应用前景。

    The tests show that the surfactants have good behaviour in floatation, and have advantages, such as good collective power, high selectivity and saving oil , so they have good prospect.

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  • 电极表面修饰特殊化学基团提高检测灵敏度选择性

    Modification of specific chemical groups on the electrode surface can improve the detection sensitivity and selectivity.

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  • 发明涉及本发明提供塑料组合物塑料表面选择性金属化中的应用

    The invention also relates to application of the plastic compound in the selective metallization of a plastic surface.

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  • 本发明还提供了一种塑料表面选择性金属化方法

    Moreover, the invention provides a method of the selective metallization of the plastic surface.

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  • 利用短链硫醇分子短链、长链硫醇分子形成混合自组装膜,研究了自组装膜表面酸性基团的解性质和混合自组装膜的选择性解吸研究。

    The mixed SAMs have also been prepared, the features of dissociation activity of acidic group in the interface and selective desorption have also been studied.

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  • 结果证明,真空紫外光刻后,蛋白质基材表面吸附呈现区域选择性可以形成蛋白质图案

    This result proved that proteins were absorbed on the surface selectively, and protein patterns could be formed then.

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  • 纳米分子筛因具有孔道结构而显示了独特的催化活性选择性近年来已成为催化界的研究热点

    Novel catalytic performance and selectivity from nano-size zeolites with high exterior surface area and shorter pore pathway have aroused great interest in catalysis field.

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  • 强流脉冲电子束轰击可以实现316L不锈钢表层选择性净化表面构化及表面快速钛合金化,从而提高不锈钢的耐蚀性。

    The main results are summarized as follows:1, HCPEB bombardment induces the selective purification on the top surface of 316L stainless steel, surface texturation and rapid surface alloying with Ti.

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  • 彩色表面可见光谱较高的选择性黑白系列的表面对可见光谱反射没有选择性

    The color surface has much more selectivity, while there isn't selectivity of visual spectrum for black and white surface color.

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  • 同时化物覆盖了表面中心,堵塞了孔道,因而提高了反应的选择性

    At the same time, boride thus formed covered the surface acid sites and blocked the pores and channels, leading to higher para-selectivity.

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  • 本文介绍自行研制对比度片。它具有较低的表面光反射率、选择性透过率电磁屏蔽特性

    A new type of high contrast filter has been investigated in this paper. lt has features of lower light reflection on surface, selective transmission and effective electromagnetic screen.

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  • 粘结催化剂磨损能力焦炭选择性较好,催化剂的强度可以通过添加表面活性剂和铝盐得到改善

    FCC catalysts using silica sol as the binder features improved selectivity to coke and higher resistance to attrition. strength of the catalysts can be enhanced by adding surf…

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  • 碘酸选择性氧化亚麻纤维大分子上生成了活性醛基,随着氧化程度加深,纤维表面变得粗糙结晶度不断降低

    The surface of flax fiber became rough and crystallinity decreased while increasing oxidized degree of flax fiber. The structure and properties of the proteinic oxidized flax fiber were studied.

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  • 添加表面活性剂所制得催化剂样品乳酸反应转化率为33.5%,丙烯酸乙醛选择性分别为40.2%1.8%。

    The conversion of lactic acid was 33.5%over catalyst synthesized with no surfactant, while the selectivity of acetaldehyde and acrylic acid were 40.2%and 1.8%respectively.

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  • 添加表面活性剂所制得催化剂样品乳酸反应转化率为33.5%,丙烯酸乙醛选择性分别为40.2%1.8%。

    The conversion of lactic acid was 33.5%over catalyst synthesized with no surfactant, while the selectivity of acetaldehyde and acrylic acid were 40.2%and 1.8%respectively.

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