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The guiding surface comprises at least one step (22) or a sloping surface such to reduce the diametrical dimension stepwise or continuously, respectively.

导向表面包括至少一个台阶(23)或倾斜表面,从而分别阶梯状地或连续地减小沿直径方向的尺寸。

Base on the threshold voltage model presented, an intrinsic drain current model in strong inversion region is developed, which can describe the short-channel effects such as DIBL and charge-sharing effect well, and give special considerations for mobility, velocity saturation, channel length modulation and quantum effect. Based on the front interface surface potential model, a formula of unified inversion charge is derived, and an intrinsic drain current model in middle inversion region is developed.

利用所提出的深亚微米FD器件正、背界面表面势模型,建立了一个能够完整描述深亚微米FD器件本征亚阈漏电流特性的模型,能够准确地描述DIBL效应和背沟道漏电效应;利用所提出的阈值电压模型,建立了深亚微米全耗尽器件的本征强反型电流模型,很好地描述包括DIBL效应、电荷分配效应在内的小尺寸效应,对迁移率、速度饱和效应、沟道长度调制效应和量子效应进行了特别的考虑;利用所提出的深亚微米FD器件正界面表面势模型,推导了统一反型层电荷公式,建立了深亚微米FD器件的本征中反型漏电流模型。

No more time-consuming reapplication of sprays or washes - IncroMolds lower the adhesion between the surface of the molded article and the tool, providing highly effective mold release time after time.

IncroMold可降低铸件表面和成型工具间的黏附力,反复地提供高效益的脱模性;而不用浪费时间重复地喷洗或清洗铸件表面。

The results show that the hydrophilicity of PLA film is improved by introduction amido: the contact angle decreases from 78° to 56° and the free energy increases from 42.7mJ/m^2 to 51.4mJ/m^2. Compared with the control, osteoblast spread out more filopodia after 3 d incubation on amidation surface, and it entered cell division phase more quickly, which indicated that the surface amidation could promote the cell's adhesion and proliferation on the PLA film.

结果表明,酰胺基的引入改善了PLA膜的表面亲水性,其表面水接触角由78°减少到56°,自由能由42.7mJ/平方公尺增大到51.4mJ/平方公尺;与对照组相比,成骨细胞在改性表面培养3d后有大量的丝状伪足伸出,并且较快地进入了细胞分裂期,表明PLA膜表面的酰胺化能够促进细胞的黏附和增殖。

SO〓〓/M〓O〓 solid superacid was applied to the photocatalytic oxidation of organic pollutants for the first time. Porous SO〓〓/TiO〓 solid superacid catalysts with high specific surface area were prepared by sol-gel method. The photocatalytic degradation of bromomethane was used as model reaction. The influence of impregnation with H〓SO〓 solution on the structure of catalysts and their photocatalytic performance was systematically studied by using X-ray diffraction, X-ray photoelectron spectroscopy, N〓 sorption analysis applying BET method, UV-Vis diffuse reflectance spectroscopy, FTIR spectroscopy, O〓-TPD and photocatalytic activity measurement. The acidity of TiO〓-based catalysts was investigated by Hammett indicator method, NH〓-TPD and IR spectra of pyridine adsorbtion. The mechanism of superacidifing effects on photocatalytic performances such as the photocatalytic degradation rate of bromomethane, apparent kinetic constant and apparent quantum efficiency was discussed.The results indicated that SO〓〓 is combined with metal ions of TiO〓 in a chelating bidentate mode.

本文首次将SO〓〓/MxOy型固体超强酸催化剂用于光催化氧化有机污染物研究,采用溶胶-凝胶法制备了具有多孔性和大比表面结构的二氧化钛基固体超强酸光催化剂SO〓〓/TiO〓,以光催化降解溴代甲烷为模型反应,系统地研究了H〓SO〓浸渍处理对催化剂表面酸性及其气相光催化性能的影响,结合XRD、BET、XPS、FTIR、Hammett指示剂法、吡啶吸附红外光谱、NH〓-TPD、O〓-TPD、紫外可见漫反射光谱等多种表征手段,深入地讨论了超强酸化对TiO〓的改性机理,阐明了引起SO〓〓/TiO〓超强酸催化剂光催化降解溴代甲烷的转化率、表观反应速率常数和表观量子效率变化的本质原因。

Its solution behaviors are similar to and even better than those of corresponding polyelectrolytes singly modified with the same hydrophobe to the added surfactant.

通过溶液共聚,将碳氢和氟碳这两种疏水单体无规地接枝到聚电解质主链上,得到的这类混合改性的聚电解质无论与碳氢小分子表面活性剂还是与氟碳小分子表面活性剂作用均表现出和同种大分子表面活性剂与小分子表面活性剂作用时相似甚至更好的缔合情形。

After HRP application to the rostral area (n=10), quite a number of labelled cells were distributed at the ventrolateral part of the nucleus of trapezoid body, the lateroventral periolivary nucleus and the retrotrapezoid nucleus. After HRP application to the caudal area (n=10), HRP labelled cells were mainly located at the lateral reticular nucleus and the ventral part of at the lateral paragigantocellular nucleus LPGi. After HRP application to the intermediate area (n=6), only 8HRP labelled cells were observed at the in 6rats. After HRP application to the control area (n=4), only 6HRP labelled cells were found at the rostral ventrolateral reticular nucleus.

大鼠延髓腹外侧表面的头端化学感受区表面敷贴辣根过氧化物酶后,在延髓斜方体核、外周橄榄腹外侧核和斜方体后核均有HRP标记细胞存在;于尾端化学感受区表面敷贴HRP后,在延髓的巨细胞旁外侧核、外侧网状核和舌下神经核有HRP标记细胞存在;于中间区表面敷贴HRP后,在6只大鼠的延髓内部区域仅观察到8个HRP标记细胞;于对照区敷贴HRP后,在4只大鼠的延髓内部区域仅观察到6个HRP标记细胞,散在地分布在头端腹外侧网状核。

A progressive sequence of dies for forming a cavity having a desired length, width and depth, comprising: a plurality of extendable punches, each with an impact surface, said impact surfaces alternating between a first desired pattern comprising a plurality of piercing points and a second desired pattern comprising an essentially flat surface, the length and width of each said impact surface approximately equal to the desired length and width of said cavity; a die body including a plurality of apertures adapted to receive each said punch; an opposing post positioned within each said aperture having an impact surface congruent with each said impact surface; and at least one moveable forming bushing supported by at least one forming bushing actuator slideably engaged to each said opposing post.

形成有被需要的长度、宽度和深度的一个洞的一钢模的前进序列,包含:一个可扩充打洞器的多数,每个与一个冲击表面,说冲击升至水面交互的在组成一个刺骨点的多数的一个首先需要的式样之间而且秒需要了组成一个本质上平坦的表面、长度的式样,而且每个的宽度对被需要的长度和说的洞宽度说大约相等的冲击表面;一个包括一个孔的多数一钢模身体适应接受每个说打洞器;放置在每个里面的反对职位说孔让一种冲击升至水面适合的与每个说冲击表面;而且至少被可滑动地每个被预订到的至少一个形成桥衬主动器支援的一个家具形成桥衬说反对职位。

Then,based on these surface atoms 3D coordinates,uses the rotational invariant of spherical harmonic to simulate the protein surface.Through using this method,can effectively overcome the problem which should recomputed the protein surface continues during the space conversion.

在提取出的表面原子基础上,引用球函数具有的旋转不变性的特点,进行蛋白质表面形状的模拟,模拟出的蛋白质表面可以有效克服蛋白质在空间变换过程中需要不停进行重新计算表面问题,从而有效地提高了计算效率。

In the construction of the super Large-sized reinforced concrete ground of a project, it is required that the concrete be place in one time, with surface being toweled to form pressed finish with the newly placed mortar simultaneously.

某工程大面积超厚钢筋混凝土地坪要求一次浇筑,面层随浇随抹,原浆压光,一次成型,地面浇筑的速度控制、地坪标高及表面平整度控制成为施工难点,因此采取了一系列技术措施,满足了表面光洁、无裂纹、无起砂等质量要求,平整度偏差均小于3mm。

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推荐网络例句

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了,请告诉我,我会帮助你摆脱困境,真的,请联系我啦!

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放,就是一个这样的例子。

Well, Jerry would rattle off all the details of that movie.

那么,杰瑞会急促背诵那部电影所有细节。