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As indicated by results of XRD、SEM and EDS, phase-separative opacifying isdominant in the area with a high content of bone ash. The continues phase is silicate glass rich in aluminumand silicon but deficient in phosphorus however disperse phase is phosphate silicate glass rich in phosphorus,zinc...
XRD、SEM、EDS等测试技术研究表明:在高骨粉区域以分相乳浊为主,其连续相为富铝、硅贫磷的硅酸盐玻璃,分散相是富磷、锌、镁贫铝、硅的磷硅酸盐玻璃,分散相粒子粒度约为0.3~0.8μm,且分布均匀,釉面白度80%、光泽度101%;在骨粉和滑石均较高的区域,得到分相和析晶共存的乳浊釉,析出的晶体以原顽火辉石为主,釉面白度85%、光泽度98%。
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Chapter 1 reviews recent investigation in Bose-Einstein condensation, and analyzes critical point and condition of phase transition. Chapter 2 introduces the experiment of Mott insulator and superfluid phase transition in dilute atomic gases, theoretic mode and some studying. In chapter 3, we study the influence of dipole-dipole interaction of two component BEC in optical lattice, by Green function technique and mean-field approach. The results show that long range interaction and dipole-dipole interaction can be strongly influence the phase transition of two component.
本文内容分为四章,第一章对BEC近几年的研究回顾,分析了理想情况下凝聚的临界行为和凝聚条件;第二章我们介绍了光格子中绝缘-超流相变和理论模型及其描述;第三章我们利用格林函数和平均场近似的方法,对偶极-偶极相互作用在光格子中两分量BEC原子的超流-绝缘相变的作用进行了分析,结果表明偶极-偶极相互作用和长程相互作用对绝缘-超流相变有很大的影响。
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The local ordered CoPt〓 Ll〓 phase with good FCC (111) crystalline orientation, which exists at the interfaces of multilayers and in alloy films, was considered to contribute to the PMA in Co/Pt multilayer and Co-Pt alloy films. But the appearance of large amount of ordered CoPt〓 Ll〓 phase or completely disordered Co-Pt phase will result in the decrease in PMA.
Co/Pt多层膜界面处或Co-Pt合金膜中具有FCC(111)织构特征的局部有序CoPt〓 Ll〓合金相的形成被认为可能会对多层膜和合金膜中的垂直磁各向异性作出贡献,但大量CoPt〓 Ll〓有序相或大量完全无序Co-Pt合金相的生成都会导致垂直各向异性的下降。
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Can accelerate the bone marrow cell from G1 phase into S phase when we measure it's Cell cycle, it make S phase rate was increased .thus it promoted DNA synthesize and repaired. Mice irradiated at dose of 5.5 Gy gamma-irradiation showed timed-related decreases and restores in peripheral blood picture at day 1 through day 21, the counts of WBC of these group had taken drug has various degree to increase than irradiation control group in day 1. Grugs failed to protected the peripheral blood cell at lowest point, but seems promote their rescovery.9803 treated group was distinct. At 7days after mice were radiated in 3.5 Gy. we observed drug can Significantly hold back the decreased number of hematopoietic progenitors colony forming radiation induced. These findings indicated 9803 have a certain radioprotective activity against gammer irradiation in mice.
给药组的 CFU-S 数量较照射对照组明显增加,3.5Gy 照后第七天观察给药9803组对小鼠骨髓造血组细胞集落生成能力的影响,给药组的造血祖细胞集落的形成能力强于照射对照组,并且9803组明显优于523组。5.5Gy 照射引起的小鼠的外周血细胞数量的降低以 WBC 发生最早,照后24小时给药组的 WBC 数量均比照射对照组有不同程度的升高,以9803各给药组最为明显,药物未能使照射引起的外周血细胞最低值升高,而有降低的趋势,但给药对照射后期外周血象的总体恢复有较好的促进作用。7.5Gy 照射后第七天测定小鼠骨髓细胞周期的测定中发现9803具有促进骨髓细胞由 G1期进入 S 期的效应,致使 G0/G1期细胞显著减少, S 期细胞比率显著增加,这利于促进 DNA 合成修复,即促进骨髓细胞增殖,骨髓细胞 DNA 含量给药组显著高于照射对照组。
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The results show that:(1) after MA for 20h, single phase bcc nanocrystalline supersaturate solid solution formed in Fe84Nb7B9 and Fe80Ti8B12 alloys; the thermal stability of nanocrystalline microstructure in Fe80Ti8B12 alloy was improved significantly than that in Fe84Nb7B9 alloy, and the decomposition temperature of supersaturate solid solution decreased in Fe80Ti8B12 alloy.(2) under 30MPa/900℃/0.5h hot-press sintering conditions, the relative density of Fe84Nb7B9 and Fe80Ti8B12 bulk alloys were 96.7% and 95.5%, respectively. Compared with Fe84Nb7B9 alloy (muti-phase microstructure), Fe80Ti8B12 alloy was composed of superfine crystalline (50~200nm) of single phase α-Fe;(3) the magnetic properties of Fe80Ti8B12 bulk alloy σ(subscript s=198.6emu/g, H=54.6Oe were more excellent than that of Fe84Nb7B9 bulk alloy σ(subscript s=162.9emu/g, H=105.1G, it was related to the different phases formed during hot-press sintering and the grain size of nanocrystalline powder.
结果表明:(1)20hMA后,Fe84Nb7B9和Fe80Ti8B12均形成了单相bcc纳米晶过饱和固溶体,相对前者,后者纳米晶组织热稳定性明显提高,过饱和固溶体相分解温度略有降低;(2)在30MPa/900℃/0.5h热压条件下,Fe84Nb7B9和Fe80Ti8B12块体合金相对密度分别为96.7%和95.5%,相对前者,后者由超细晶(50~200nm)单相α-Fe组成;(3)Fe80Ti8B12块体合金软磁性能σ(下标 s=198.6emu/g,H=54.6Oe明显高於Fe84Nb7B9块体合金σ(下标 s=162.9emu/g,H=105.1Oe,此与纳米晶粉末在热压烧结过程中所形成相的种类和晶粒尺寸大小有关。
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In the first part, it was investigated the interaction between Pb2+ and La4Ti9O24 ceramic bulk. The result shows that a significant Pb2+ diffusion into La4Ti9O24 ceramic bulk and a significant crystallization of the La2/3TiO3-type phase is clearly observed in the Pb2+ diffusion layer. The reacted zone consists of the La2/3TiO3-type phase exhibits the linear dependence of the square of the thickness, x, on the heat-treated time, t, in excellent agreement with the parabolic law x2 = kt, where k is the growth rate coefficient. The kinetic study thus indicates that the Pb2+/La4Ti9O24 interaction strictly obeys the theory of the reactive diffusion. Furthermore, the experimental k values were used to determine the associated activation energy, Ea, for the formation of La2/3TiO3-type phase using the Arrhenius plot and the following least-square equation, ln =-Ea/RT + A, where T is the annealing temperature, R is the universal gas constant, and A is a constant, resulting in Ea ~ 607 ?b 60 kJ/mol.
首先, 以巨观的方式观察PbO与La4Ti9O24陶瓷体介面的反应现象;利用X-ray绕射分析以及扫描式电子显微镜来观察不同的热处理温度以及不同的持温时间所制作的样品,研究结果发现, Pb2+离子会渗入到La4Ti9O24陶瓷内,同时在Pb2+离子所渗入的区域内会产生新的La2/3TiO3-type钙钛矿斜方晶相;藉由量测不同温度与时间之样品,其因Pb2+离子渗入而产生之La2/3TiO3-type相层厚度之关系,符合反应式扩散机制中 x2 = kt 之关系式(其中 x:扩散层厚度; k:反应速率常数; t:反应时间);进一步将不同实验条件所得到之反应速率常数值代入Arrhenius方程式ln (k =-Ea/RT + A ,其中Ea:活化能; T:绝对温度; R:气体反应常数; A:常数,可以求得Pb2+离子与La4Ti9O24陶瓷发生反应式扩散所需之活化能为607 ± 60 kJ/mol。
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The recoveries for 2,3-BD and acetoin were 91%and 92%,respectively.Aqueous two-phase extraction of 2,3-BD from real fermentation broth,the removal ratio of cells was above 99%,and the soluble proteins were about 85%in the top phase,which resulted in easy recovery of 2,3-BD from the top phase by vaporization because a viscous slurry was not formed by glucose,cells and soluble proteins at high temperature as in traditional separation methods.In addition,the cells recovered from the fermentation broth could be used as inoculum for further fermentation.
结果表明,目标产物2,3-丁二醇和乙偶姻主要富集在上相中,而葡萄糖主要富集在下相中;当异丙醇和硫酸铵的质量浓度分别是34%和20%时,2,3-丁二醇和乙偶姻的分配系数分别为8.29和8.98,回收率分别达到91%和92%;采用该条件对发酵液直接进行萃取,细胞的去除率在99%以上,可溶性蛋白去除率可达85%。
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Methods: Eighteen fallopian isthmic region tissue samples were collected from 3 groups of normal fertile women: women in proliferative phase (n=6), women in secretory phase (n=6), women in secretory phase who were treated with a signal dose of 50 mg mifepristone and underwent surgery 24 h after mifepristone taken (n=6). Real-time PCR technology was used to detect the Wnt-3, Wnt-5a, Wnt-7a, Wnt-8b, DKK-land FrpHE mRNA expression in fallopian tube tissue. 2(superscript -△△CT) method was used to analyze the results.
选取生育年龄的正常妇女输卵管峡部组织,其中增生期、分泌期以及分泌期服用米非司酮50mg并于24h后手术的妇女输卵管组织各6例,应用实时荧光定量PCR技术检测输卵管组织的Wnt-3,Wnt-5a,Wnt-7a,Wnt-8b,DKK-1和FrpHEmRNA表达,用2法分析结果。
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Month of the property market in Guangzhou has been short ??, but the property market in Guangzhou in July of this year will no longer be quiet, not only because many projects will be launched in July, new goods, such as Qifuxincun vitality Gardens Phase II, Lotus two ??, calendar sent Shab new phase units, Yingcaimeiju new phase "Ching goods ?? and to design alternative fashion "glass" and caused a furore Grand Del Sol development of the new project,"Long Ching.
7月份一向是广州楼市之淡季,不过今年7月广州楼市将不再淡静,这不仅因为很多楼盘会在7月份推出新货,例如祈福新村活力花园的二期、荷塘月色二期、历德雅舍新一期单位、盈彩美居全新一期&菁品&,以及以设计另类时尚的&玻璃屋&而轰动一时的朗晴居开发的新项目朗晴。
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The speed-sensorless vector control and the identification of motor parameters in this paper are the two novel research of vector control.Using asynchronous machine's mathematic model in three-phase static reference frame, this paper has derived it's mathematic model in two-phase static reference frameand in two-phase rotating reference frame, and got the coordinate transformance formulus based on the constant magnetic force and power force, by compared different field orientation methods, we can find that field orientation at rotor field can realize the decoupling of the stator current flux component
无速度传感器矢量控制和电机参数辨识是矢量控制的两个新的研究方向,本文利用异步电机在三相静止坐标系下的数学模型推导出两相静止坐标系、两相同步旋转坐标系下的数学模型,根据磁动势守恒和功率守恒的原则,得出各坐标变换公式;通过不同磁场定向方式的比较发现,异步电机按转子磁场定向时定子电流励磁分量和转矩分量可以比较方便地实现解耦。
- 推荐网络例句
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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。
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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。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。