汽相擴散 的英文怎麼說
中文拼音 [qìxiāngkuòsǎn]
汽相擴散
英文
vapor phase diffusion-
Metallothionein - ii, 6. 8kda, purified from the liver of rabbit induced by cadmium, has been crystallized in the space group p6322 using hanging drop vapor diffusion method, with unit cell parameters
金屬硫蛋白懸滴汽相擴散法空間群晶胞參數不對稱單位中圖分類號：Introduction to general ideas in air pollution, air pollution laws and regulation, meteorology for air pollution, air pollutant concentration models, gaussian plume model, the nature of particulate pollutants, control of particulate pollutants, the nature of gaseous pollutants, control of gaseous pollutants, the motor vehicle problem, air pollution and global climate
本課程介紹空氣污染概述、空氣品質與相關法令、氣象學和空氣污染、空氣污染物擴散模式、高斯分佈模式、粒狀污染物之性質、粒狀污染物控制、氣狀污染物之性質、氣狀污染物控制、汽機車與空氣污染、空氣污染與全球氣候變遷。Under the background of the research work - " expert system of hydraulic brake system design for saloon car, small and medium passenger car " for nanjing yuejin automobile group, in this paper, a set of special cad software for vihicle brake was developed in which the researchful object was brake, . the cad supporting software was pro / engineer and the developing language was vb. the project of discreted brake was raised and 3d graphic parametric library of typical parts and assemblies was established. 3d solid modeling and parameter - driven between dimensions and relations were accomplished using pro / engineer
本文以南京躍進汽車集團的橫向課題「轎車、中小型客車液壓制動系設計專家系統」為背景，以制動器為研究對象，以pro engineer為cad支撐軟體，採用vb語言，開發了一套汽車制動器專用cad系統；提出了制動器離散化方案，構建了參數化的制動器典型零部件三維圖形庫，使用pro engineer實現三維實體造型以及尺寸與關系的參數化驅動；圖形庫系統採用參數化圖庫引用、管理機制並擁有一個開放的擴充介面；研究了pro engineer二次開發模塊pro toolkit ，解決了同步模式下定製程序界面的問題，並實現與pro engineer的通信；建立了制動過程數學模型，推導了制動方程式並給出相關解法，編制了制動器數值模擬分析程序；構建了制動器設計資料庫。The effects of interfacial resistance, superheating, free convection due to both temperature and concentration gradients, mass diffusion and thermal diffusion, and variable properties in both the liquid and gas - vapor regions were considered
分析中，考慮了相間阻力、液膜波動、蒸汽過熱度、因溫度和濃度梯度引起的自然對流、質擴散和熱擴散以及物性的變化。In the second part, the reliability research on electronic packaging was concentrated with finite element method ( fem ) on moisture diffusion in plastic materials, die cracking of flip - chip with no - flow underfill and thermal performance of high power electronic components. in the last chapter, the design tool for advanced electronic package was studied. the main conclusions in the second part are as follows
論文第二部分電子封裝可靠性研究包含對塑封材料中水汽擴散研究、填充不流動膠的倒裝焊晶元可靠性研究以及大功率器件散熱問題研究三方面內容，最後為實現封裝設計標準化和自動化，研究了若干最主要的電子封裝構型的參數化有限元建模、加載和相應的求解方法。The third part is the most important part in this article. from the view of innovation diffusion, the writer analyses the history of america automobile industry. and the history is divided into eight stages
第三部分，重點從創新擴散的角度描述了美國汽車產業的發展歷程，並較為深刻的剖析了美國汽車產業發展的重要規律：技術創新與創新擴散相互作用直接推動了美國汽車產業各個階段的形成。Lectures and laboratory sessions focus on basic processing techniques such as diffusion, oxidation, photolithography, chemical vapor deposition, and more
課堂講授和實驗課重點介紹了基本的工藝技術，如擴散、氧化、光刻、化學汽相淀積以及其它。Vapor phase diffusion
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