查询词典 plasma

In silicon deep reactive ion etching using inductively coupled plasma etcher,a narrow trench with a width of several micrometers usually shows positively tapered profile, which means that the width of the etched trench decreases with the progress of etching depth.

利用自感应耦合等离子蚀刻机进行硅深层反应离子刻蚀，得到了几微米宽的狭槽，其轮廓通常为正锥形，即蚀刻槽的宽度随着蚀刻深度的增大而减小。

This thesis described the etching characteristics of silicon nitride passivation films in the thin-film transistor structure using an enhanced capacitive-coupled high-density plasma etcher. The main parameters used in these experiments were RF source power, RF bias power, chamber pressure, SF6, O2 and He gas flow rates.

中文摘要本研究以加强型电容耦合式高密度电浆蚀刻机台来研究蚀刻氮化矽结构，实验操作参数为射频电浆源功率、射频偏压源功率、SF6、O2、He气体流量和腔体压力。

Main process gases used in the metal etcher of the semiconductor industry are chlorine and boron chloride. Process gases are ionized in the reactor chamber to form free radicals by plasma, which etches off aluminum film from the wafer surface.

半导体金属蚀刻制程主要使用氯气及氯化硼等气体，以高能电浆离子化产生自由基后使其与晶圆表面之铝反应将多余之铝蚀刻而产生沟槽。

SiC thin films of large area were prepared successfully in a plasma-enchanced CVD reactor at room temperature, with silane and ethene used as raw materials and Ar as carrier gas.

采用射频等离子体增强的气相沉积法，以硅烷和乙烯为原料，在常温下成功的合成了碳化硅薄膜。

Rabbit anti-thrombosis in oral fungus polysaccharides 18.5mg/kg, can significantly extend the specificity of thrombus and fibrin thrombus formation time and shorten the length of thrombus, reduce the thrombus wet weight and dry weight, reduce platelet count, lower platelet adhesion rate and blood viscosity, and can significantly shorten the guinea pig euglobulin lysis time, lower plasma fibrinogen levels, elevated plasmin activity, results showed that the fungus polysaccharides significantly antithrombotic effect.

抗血栓形成兔口服木耳多糖18.5mg/kg，可明显延长特异性血栓及纤维蛋白血栓的形成时间，缩短血栓长度，减轻血栓湿重和干重，减少血小板数，降低血小板粘附率和血液粘度，并可明显缩短豚鼠优球蛋白溶解时间，降低血浆纤维蛋白原含量，升高纤溶酶活性，结果表明，木耳多糖有明显的抗血栓作用。

Rabbit anti-thrombosis in oral fungus polysaccharides 18.5mg/kg, can significantly extend the specificity of thrombus and fibrin thrombus formation time and shorten the length of thrombus, reduce the thrombus wet weight and dry weight, reduce platelet count, lower platelet adhesion rateand blood viscosity, and can significantly shorten the guinea pig euglobulin lysis time, lower plasma fibrinogen levels, elevated plasmin activity, results showed that the fungus polysaccharides significantly antithrombotic effect.

抗血栓形成兔口服木耳多糖18.5mg/kg，可明显延长特异性血栓及纤维蛋白血栓的形成时间，缩短血栓长度，减轻血栓湿重和干重，减少血小板数，降低血小板粘附率和血液粘度，并可明显缩短豚鼠优球蛋白溶解时间，降低血浆纤维蛋白原含量，升高纤溶酶活性，结果表明，木耳多糖有明显的抗血栓作用。

The result makes clear, the organization of coating of accept rice pottery and porcelain after plasma spray is evener, compact, but coating still is put in hole to lead advanced blemish.

结果表明，等离子喷涂后的纳米陶瓷涂层组织较均匀、致密，但涂层仍存在孔隙率高等缺陷。

In this dissertation, by applying the ideas of the mathematics mechanization, under the instruction of " AC=BD" theory of Professor Zhang Hongqing, we consider some methods seeking exact solutions to nonlinear partial differential equation arising from the fields of elasticity, fluid mechanics, aerodynamics, plasma physics, biophysics and chemical physics.

本文根据数学机械化的思想，在导师张鸿庆教授"AC=BD"理论的指导下，研究在弹性力学、流体力学、空气动力学、等离子体物理、生物物理和化学物理等现代科学技术中引出的非线性偏微分方程求精确解的方法。

PART ONEInvestigation on Hp CagA+ strain infection condition and pathogenesis risk analyze in patients of carotid atherosclerosisObjective To observate pathological changes of carotid atherosclerosis as well as Hp infection situation, examinate blood fats, blood serum hs-CRP, blood plasma YKL-40, blood serum sCD14, analyze relations between Hp or Hp CagA+ strain and carotid atherosclerosis, and explore possible mechanism of carotid atherosclerosis caused by infection.

然后进行基础动物实验，应用Hp CagA+菌株干预高脂血症大兔，建立Hp CagA+菌株感染致兔颈动脉粥样硬化模型，进行血清Hp抗体、hs-CRP、血浆YKL-40水平检测、斑块内Hp DNA，进一步求证Hp CagA+菌株感染和颈动脉粥样硬化形成的相关性，Hp CagA+菌株感染是否可促进颈动脉粥样硬化的形成，深入探讨其可能机制，以期为颈动脉粥样硬化形成的病因学研究提供实验基础，为临床治疗颈动脉粥样硬化提供新的策略，从而完善其防治模式。

Objective To study the change in plasma level of vitamin C and its excretion in postoperative patients.

目的 探讨手术后病人血清维生素C含量的变化并为补给适宜剂量的维生素C提供依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。