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For the COG joint subjected to thermal storage test at 80 oC for 1000hours, the resistance raises from 0.48 to 1.26Ω while in the sample, the resistance raises from 0.73 to 1.52Ω; all test results fit the reliability requirements. But the reason of increment is not only NCF material degradation cause, but also the bump is elastically. Therefore elastic bump resile caused the resistance to increase after pressing. Consequently I used another two samples which is not thermal aging compared to test samples, the results were show bump resistances increasing about 65%, its come form elastic bumps itself.
COG试片经过80oC约1000小时之后观察电阻上升情形,一片约从0.48Ω上升至1.26Ω另一片从0.73Ω到1.52Ω也符合可靠范围内,但是上升的原因不完全是胶材劣化导致,因为凸块本身具有弹性,所以在压合之后还会回弹造成电阻上升,因此会使用另两片未热时效的试片来比较,得知结果大概65%的电阻上升是来自本身具弹性导致。
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With this method, we had several important differences compared to the YDmodel. First, the ratio of daily increment of PDT and the deficit of both water and nitrogen was used to estimate the effect of environment. Second, a nonlinear function was adopted to describe vernalization and thermal effectiveness (instead of three-stage linear function). Third, sinusoidal function was used to describe photoperiod curve cluster for different cultivars.
本模型在YDmodel基础上的改进主要有3点:(1)将每日生理发育时间的增量乘以水肥丰缺因子,改为除以水肥丰缺因子表现水肥对大麦发育的影响,客观体现了大麦在水肥丰缺条件下的发育延迟或提早现象;(2)将三段线性函数改为非线性函数表达春化效应和相对热效应,确立了不同品种相对春化效应和相对热效应的曲线族;(3)将线性函数改为正弦函数表达不同品种光周期效应。
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Through vehicles, ships etc, LNG can be transported to subordinate stations, then LNG can be supplied to all kinds of users after being evaporated.For the high cost and complicated crafts of the subordinate station"s construction, it has different features compared to normal crafts. The LNG craft needs the assistance of many crucial techniques. The aims of this book is to speculate on the feasibility of subordinate station"s construction after learning the properties, crafts of LNG and analyzing the crucial techniques.
由于液化天然气卫星站的建设是一项技术复杂的、投资较高的工程,具有与常规天然气输送工艺不同的特点,液化天然气工艺需要许多关键的技术支撑,本文的目的是通过对液化天然气的性质和工艺的了解,以及对关键技术的分析,来探讨城市LNG卫星站建设的可行性。
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Compared to the traditional way of building digital CMOS cameras, which involves optical elements that are created through plastic injection molding and glass molding as well as a relatively complicated process to match the optical unit to the IC, Tessera is using lenses that are produced on a wafer level and are automatically attached to the sensor package.
这种新的照相设备,名叫芯片级光学照相机,与传统的CMOS不同的是,他解决了一般光学部件需要一个塑料模具和镜头部件等复杂的程序再基于一个光学集成电路上的毛病~Tessera公司所用的镜头是芯片级的并且是自动传输到传感器上
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the fast transposition algorithm to sparse matrix expressed by triple list is introduced.this algorithm needs to determine the position in the transposed matrix position of the first element which is not equal to zero in the original matrix each row,it uses two arrays as auxiliary space.in order to reduce the auxiliary space which the algorithm needed,an improvement is made through introducing two simple variables.the improved algorithm saves a half auxiliary space compared to the original algorithm at the same time complexity.
摘 要:介绍基于三元组表表示的稀疏矩阵的快速转置算法,此算法在转置前需要先确定原矩阵中各列第一个非零元在转置矩阵中的位置,在此使用2个数组作为辅助空间,为了减少算法所需的辅助空间,通过引入2个简单变量提出一种改进算法。该改进算法在时间复杂度保持不变的情况下,空间复杂度比原算法节省一半。
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The SPLT is shown to explain a wide range of processing complexity phenomena not previously accounted for under a single theory, including (1) the lower complexity of subject-extracted relative clauses compared to object-extracted relative clauses,(2) numerous processing overload effects across languages, including the unacceptability of multiply center-embedded structures,(3) the lower complexity of cross-serial dependencies relative to center-embedded dependencies,(4) heaviness effects, such that sentences are easier to understand when larger phrases are placed later and (5) numerous ambiguity effects, such as those which have been argued to be evidence for the Active Filler Hypothesis.
SPLT可解释范围宽广的,非先前在一个单一理论下可说明的处理复杂性现象,包括(1)与受词抽离关系子句相较,主词抽离关系子句的低复杂度,(2)为数众多的跨语言间的处理超载效果,包括多层中心嵌入架构的不可接受性,(3)相对於中心嵌入依赖性,跨序列依赖性的低复杂度,(4)当较大的片语放在后面时,使句子较易理解之沈重效果,以及(5)许多的模糊效果,例如那些被争论为主动充填理论之证据者。
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Undernutrition may be due to a failure of food supply or intake, to deliberate fasting, or to disease and is characterised by weight loss and changes in body composition, which include loss of body fat, loss of lean mass (proportionately greater in disease compared to starvation alone) and a relative increase in extracellular fluid volume.
营养不良可能是由于食品供应或摄入失败,审议禁食,或疾病,是由减肥和身体组成,其中包括身体脂肪,精益质量损失变化的特点(在疾病的比例更比饥饿单)和在细胞外液量相对增加。
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And so on has explained in detail: tel:13864212582,15865577397 (please make these two phone calls, the following telephone already do not hit) this which hires for the north to, because has a warm air spot not to be cold, compared to southing also warm, the house condition is very good, lives in the mood to be also good, is also free from worry.
等等都有详细说明: tel:13864212582,15865577397(请打这两个电话,下面的电话已经不要打了)出租的这间为北向的,因为有暖气一点都不冷,比南向的还暖和,房子的条件很好,住着心情也好,也省心。
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Time of Beijing of dispatch of sina science and technology on Feburary 29 message, according to foreign media coverage, according to the data that adcraft SearchIgnite publishs, before 2008 a few weeks, consumer clicks Gu Ge to search advertising time to grow 40.1% compared to the same period.
新浪科技讯北京时间2月29日消息,据国外媒体报道,根据广告代理商SearchIgnite公布的数据,2008年前几周,消费者点击谷歌搜索广告的次数同比增长40.1%。
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The structural and photocatalytic properties of TiO〓 as well as surface acidity were greatly improved by sulfation. SO〓〓/TiO〓 solid superacid with Hammett constant Ho less than -12.14 was prepared by treating the TiO〓 with 1.0mol. L〓 sulfuric acid solution and then calcining at 450℃ for 3h. When compared to unmodified TiO〓, the SO〓〓/TiO〓 superacid catalyst exhibited higher anatase content, smaller crystal size, higher specific surface area, centralized pore size distribution, and the blue-shifted band edge of uv-vis adsorption spectra. Furthermore, the SO〓〓/TiO〓 superacid also showed excellent reaction activity and stability for CH〓Br photocatalytic decomposition even under the moist reaction conditions. The apparent quantum efficiency of SO〓〓/TiO〓 was 10 times of that of TiO〓 catalyst for the photocatalytic degradation of bromomethane. Therefore, the SO〓〓/TiO〓 superacid catalyst is promising for practical application in environmental remediation.It was found that both L and B acid sites exist on SO〓〓/TiO〓 photocatalyst while only L acid sites on TiO〓 photocatalyst. On the basis of experimental results, the synergistic model of superacidic centers was proposed for SO〓〓/TiO〓 photocatalyst to explain the photocatalytic behavior and the mechanism of superacidifing effects, assuming that the adjacent L and B acid sites induced by SO〓〓 comprise cooperatively the superacidic center on superacid photocatalyst. The group cooperation of the superacidic center could strengthen the surface acidity, increase surface acid sites and the adsorbtion of O〓, promote separation of photogenerated electron-hole pair, enhance the interfacial transfer of charges and reversibility of water adsorption. Consequently the excellent photocatalytic activity, reaction stability and resistibility to humidity of SO〓〓/TiO〓 superacid photocatalyst may attributed to the group cooperated effect of the superacidic center on the photocatalyst.
研究结果表明:SO〓〓与TiO〓表面的结合为螯合式双配位结构;TiO〓光催化剂表面经H〓SO〓浸渍处理后,提高了表面酸性,改善了催化剂结构和光催化性能,当H〓SO〓浸渍浓度为1.0mol.L〓、烧结温度为450℃时,可制得SO〓〓/TiO〓超强酸催化剂(H〓<-12.14),其结构和光催化活性得到明显改善,与TiO〓相比,SO〓〓/TiO〓光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能,光催化降解溴代甲烷的表观量子效率比TiO〓催化剂提高了一个数量级,是一种有实际应用前景的高效光催化剂;由此提出了SO〓〓/TiO〓超强酸催化剂表面集团协同作用的超强酸中心模型,认为在SO〓〓/TiO〓超强酸催化剂表面,由SO〓〓诱导的相邻L酸中心和B酸中心组成了集团协同作用的超强酸中心,其集团协同作用显著地增强了催化剂表面酸性、增大了表面酸量及O〓吸附量、促进了光生电子和空穴的分离及界面电荷转移,具有可逆吸附水的性能,是SO〓〓/TiO〓超强酸催化剂具有优异的光催化氧化活性、很好的活性稳定性及抗湿性能的重要原因。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。