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According to the property of EBB, scanning electron beam was considered as plane heat source instead of spot heat source in this paper. Aiming at the problems to measure the real-time temperature and residual stress of radiator difficultly at high temperature, the two-dimensional finite element models were established. Based on the thermal elastic-plasticity, the temperature fields and stress fields of EBB 6139T and 6204T radiator by two kinds of process were simulated by the software of ANSYS. It is of great value and significance to guide actual production.
本文根据电子束钎焊的特点,将电子束点热源转化为扫描加热时的面热源,针对散热器高温下温度实时测量和残余应力实测困难这一问题,建立了二维有限元模型,以热—弹塑性理论为基础,利用ANSYS软件对6139T和6204T散热器分别按两种电子束钎焊工艺钎焊的温度场和应力场进行了数值模拟,对于指导实际的生产具有重要的价值和意义。
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It to air source heat pump as the cold and heat source in winter and radiation combination for floor heating, fan coil units in summer combined with the composition of residential central air-conditioning.
它以空气源热泵作为冷热源,冬季与辐射地板结合用于采暖,夏季与风机盘管结合组成户式中央空调。
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In this thesis, the submerged fermentation and solid-state fermentation of Coriolus versicolor laccase, the enzymatic characterization, and the application of laccase in indigo and gold orange Ⅱ decolorization was investigated. The major results were as follows:The laccase production by Coriolus versicolor was performed in submerged fermentation, using corn husk as carbon source and carbamide, ammonium sulfate as nitrogen source.
本文对Coriolus versicolor漆酶的液体发酵和固态发酵进行了研究,并且对Coriolusversicolor漆酶的酶学性质及其在靛蓝、金橙Ⅱ脱色降解方面的应用进行了探讨,其研究成果如下:对Coriolus versicolor漆酶的液体发酵工艺参数进行了优化,结果表明,以玉米皮为碳源,尿素和硫酸铵为氮源,利用Coriolus versicolor液体发酵产漆酶时,C/N以20为宜。
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SUC2 mainly encodes sucrose invertase. The invertase could hydrolyse sucrose into glucose and fructose which are carbon source for yeast growth. When sucrose is used as the main carbon source, invertase is necessary for the growth of yeast. Accordingly, it is of great significance for yeast glycometabolism to study the sequence, transcription and regulation of sucrose invertase.
蔗糖转换酶基因(SUC2)编码蔗糖转换酶,通过降解酵母细胞外的蔗糖成果糖和葡萄糖来提供酵母生长所需的碳源,在以蔗糖为主要碳源的培养条件下,蔗糖转换酶对于酵母生长必不可少,因此研究蔗糖转换酶基因序列、转录、调控等对酵母蔗糖代谢具有重要意义。
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Basic geological conditions for migration and accumulation mode of the deep marine basin are similar to the shallow ones, but the basin has deeper sags and rifts, bigger deposits and infillings, developed source rocks, and good source-reservoir-caprock associations.
该深水盆地油气运聚成藏的基本地质条件亦与浅水区类似,但陆坡深水区凹陷裂陷更深、沉积充填规模更大,且发育4套烃源岩和3套储盖组合类型,使深水油气运聚成藏有了良好的基础。
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The source of Fe was provided strong supporting evidence. Iron isotopic ration of BIF has the positive dependence ofδEu, indicating the source of Fe correlation with hydrothermal fluid.9. A model for Fe cycling.
首次从成矿元素本身为BIF的物质来源提供直接证据:BIF的Fe同位素成分与Eu异常存在非常明显地正相关关系,这清楚地表明鞍本地区BIF中铁的来源与海底火山热液活动有关。9。
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Based on China's financial service business, GBU shall provide finance lease solutions to industries of energy resource and power, petrochemical, LNG piping, transportation (railway , aviation and ocean shipping);minerals,new source of energy,regenerable source of energy,medical and healthcare,municipal infrastructure and public utilities etc. Leased equipment hereof include all kinds of advanced and/or applicable equipment for general usage, communication, medical, energy conservation, mechanical, engineering machinery, power, oil and gas, chemical industry and vehicles including air-crafts, trains and ships with license of technology. Finance Lease solutions hereof include direct lease; sub-lease; sales leaseback, leverage lease, trust lease,joint lease,project lease etc. GBU provides consulting services including investment, financing and business. Currency either domestic or foreign could be used in Lease Agreement. In addition GBU also provides the consultant and guarantee service for leasing business.
鑫桥联合融资租赁有限公司立足于中国金融服务行业,为中国的能源输电、石油化工、天然气管道、交通运输(铁路、航空、海运、城市轨道交通)、冶金矿业、新能源、可再生能源、医疗卫生、城市基础设施建设及公用事业等行业,提供包括国内外各种先进或适用的生产装备、通讯设备、医疗设备、节能设备、机电设备、工程机械、电力设备、石油装备、化工设施、交通运输工具及附带技术的直接租赁、转租赁、出售回租、杠杆租赁、委托租赁、联合租赁、项目租赁等不同形式的本外币融资租赁业务、投资咨询、融资咨询、商务咨询等咨询业务、租赁物品残值处理业务;并对租赁交易提供咨询和担保服务。
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In this paper, a major content is the linear heat source theory and the complete method of thermal response test based on the linear heat source theory.
本文主要对线热源理论及以其为理论基础的热响应试验的完整方法、装置进行了介绍。
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The method provides a source information storage and retrieval system, a target information storage and retrieval system, and a master controller capable of communicating with the source information storage and retrieval system and with the target information storage and retrieval system.
该方法提供源信息存储和检索系统、目标信息存储和检索系统、以及能够与源信息存储和检索系统和目标信息存储和检索系统通信的主控制器。
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The exploration precision of petroleum system with the source rock as Tertiary should be improved,and also more attentions must be paid to the otherpetroleum system with the source rock as Mesozoic,Paleozoic and Mid-Upper Proterozoic.
以第三系为烃源岩的含油气层系的勘探精度仍有待于进一步提高,同时必须将以古生界、中生界和中上元古界为烃源岩的含油气层系作为今后挖潜的重要领域。
- 相关中文对照歌词
- Open
- Open Up
- Open Up
- Keys Open Doors
- Source Of Infection
- Peace (You Have Delivered My Soul)
- Faith In Love
- Mighty God
- Open The Door
- Cameo Lover
- 推荐网络例句
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The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.
光磁混合记录方法,是一种可以突破超顺磁极限的限制,并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。
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In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.
体内研究中,在正常可激发免疫反应的条件下,抑制mTOR可促使T细胞无能。
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Health officials are cautioning people to take preventive measures and to seek medical attention if they have severe flu symptoms.
卫生官员警告人们采取预防措施,并寻求医疗照顾,如果他们有严重的流感症状。