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And the mole ratio of benzene to propylene on the alkylation process have been studied.

统计了中试研究数据并进行了数学关联,获得了BPA分子筛催化剂对异丙苯、二异丙苯选择性和反应器床层温升的关联式。

As for the forth part, the effects of microorganism on those stilbenoids other then piceatannol and resveratrol were discussed. Arachin derivatives, separated and identified by HPLC-MS, were corresponding to those stilbenoids found in callus.

第四部分则为以液相层析质谱分析鉴定落花生愈合组织中比杉特醇及白藜芦醇以外的类二苯乙烯化合物,结果发现有五个与 arachidin 结构类似之化合物。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构,化合物8是白花丹素的Na盐,以离子化合物形式存在;化合物9~16为白花丹素的La,Y,Dy,Sm,Gd,Nd,Er,Eu的稀土金属配合物;化合物17是白花丹素的双核钇结构;化合物18为白花丹素的单核钇结构,该配合物除了含白花丹素外,还有来自白花丹植物中的另一个单体化合物也参与配位;化合物19~21是以2,2\'-联吡啶和邻菲咯啉等含N配体为辅助配体,具有白花丹素—含N配体—金属离子的三元配合物,化合物19是白花丹素和2,2\'-联吡啶与Cu的配合物,具有五配位的四方锥构型,通过Cu…O弱的成键作用形成二聚体,再通过分子间的氢键作用进一步形成一维链状结构,化合物20和化合物21是白花丹素分别与2,2\'-联吡啶和邻菲咯啉的Zn配合物,都具有六配位八面体构型的双核锌配合物,呈一维链状结构,化合物20中链与链之间的大量氢键将一维链扩展成二维层,分子间的π-π堆积作用进一步形成三维结构。

A prediction model has been proposed to deal with threshold voltage shift as a function of 1MeV neutron flux and gate oxide thickness, and to deal with room-temperature annealing of threshold voltage shift induced-by 〓Coγ as a function of electric field and gate oxide thickness. The commonness and individuality of MOS device degradation between hot-carrier effect and ionizing radiation were investigated. The dependence of substrate current, gate current and threshold voltage shift due to hot-carrier on gate oxide thickness were simulated with MEDICI-2D simulator. The photocurrents of PN junction and bipolar transistor were studied. Their transient responses on varied bias voltages, pulse durations and absorbed doses were simulated. The influences of NPN base width on base and collector photocurrents were investigated. We also studied 1MeV neutron displacement damage in PN junction, and calculated reverse current leakage under the neutron flux of 2. 67×10〓 per square centimeter. 3 The study of nondestructive screening method for MOS radiation tolerance A theoretical and experimental study of nondestructive screening methods for radiation tolerance of nMOS and pMOS were firstly fulfilled. We determined the informative parameters pertinent to the method and proposed how to deal with experimental data and verify obtained results statistically, as well as make the required steps for nondestructive screening. Based on the experimental data of 180 samples of discrete pMOS devices, the relation between sample quantity and correlation coefficient, screening equation, and other significant results were obtained from the threshold voltage shifts of pre-and post-irradiation samples.

二、分立器件电离和位移辐射损伤响应研究在国内首次开展了电离辐射引起的氧化层阈值电压漂移和退火理论研究,编程计算了1MeV中子引起的MOS器件阈值电压漂移与中子通量及栅氧厚度的关系,计算了〓Coγ光子引起的阈值电压漂移及退火的时效曲线与纵向电场和栅氧厚度的关系等,对评估MOS型集成电路电离损伤和加固方法研究,以及论文中开展的MOSFETs无损筛选方法研究奠定了基础;分析了MOS器件热载流子损伤效应与辐射电离损伤效应之间的异同性,利用二维模拟软件MEDICI-2D模拟了衬底电流和栅电流,在不同栅氧厚度下随栅压的变化曲线,计算了热载流子效应造成的阈值电压漂移,研究结果对当前存在的以热载流子效应研究取代电离辐射损伤实验研究的设想,具有重要的参考价值;开展了PN结和双极晶体管电离光电流研究,计算了不同偏压、不同辐射脉宽和不同吸收剂量下PN结光电流的瞬时响应,计算了不同辐射脉宽下NPN晶体管基极电流和收集极电流的瞬时响应,以及基区宽度对NPN晶体管光电流的影响,研究结果对双极器件抗电离辐射损伤响应及加固方法研究具有重要意义;在国内首次开展了器件位移损伤的理论研究,分析了辐射产生的缺陷对电性能的影响,计算了注量为2.67×10〓cm〓的1MeV中子产生的缺陷对PN结反向电流的影响。

Another situation is in order to reduce material costs and adopt only 330-molecular-weight natural Rosin, in order to achieve-and-ink system stability, in recent years, we have dozens of chemical properties caused by not changing inorganic materials, use of the tetrahedroid of hydrated silicon dioxide as a porous form of assiociation matozoa, a steady and adsorbed on low molecular weight of rosin Sol heterogoneous on the surface, forming a layer, the Pro-numberrepresentationof goes with liquid water, addresses the thixoforming improve its water washable, and has a certain thickness, especially when more than 5 per cent, packaging business card printing and membership card by making the formation of a layer of short thick membrane of lowmolecular of monlchamus, in which case it reduce-and-Ink viscosity, increase the concentration would affect the business card printing and membership card to make the mobility of transfer affects gloss, the reason is that in the process of associating exothermic rise ink system temperature diminishes the Rosin molicule assiociation.

另一栽境况是:为了贬矮质料不败本,合座拔取仅有330不合子量的人造松香,为到达火不朱编制不时间的安定性,近年来,我们在数不一栽不引起冻学本质保持的不不不不无机质料洋,诳骗四面体的火合二氧冻硅的多孔形式作为缔合胶体,使之能安定不天吸附在矮不合子量的松香溶胶粒子的暗不天上,形不败一层爱护膜,把干液性基团伸向火洋,既可打消触变又能提矮其火可洗性,并具有必定的厚量,格边是当超功5%之后,包装制卡和会员卡制作的不朱膜形不败了一层长稠厚的矮不合子不朱膜,这时则更会贬矮火不朱粘量,如果补充了浓量,则既会感冻制卡和会员卡制作迁徙的流动性,又会感冻平泽的提矮,来因是:在缔合放热的历程洋升矮了油不朱编制温量而放松了松香不合子的缔合方向。

In the first section,the existence of solution for a class of non-linear systems with three -point boundary problem is obtained by applying the differential inequality theory .

在第一部分中,我们应用微分不等式理论证明了一类非线性系统三点边值问题解的存在性;在第二部分中,运用微分不等式理论研究了一类带有转向点的拟线性奇摄动边值问题的非单调内层解;在第三部分中,利用对角化方法研究了一类向量二点或者三点边值问题解的存在性,并获得解及它的一、二阶导数的渐近估计。

In the software aspect of 3DP control system, include solid model stratified slicing module, 2D slice data processing module, ink-jet control module, motion control module, etc. Slice module is based on the color STL model output from Magics RP software, its output synusia data is TIFF、JPG、BMP format of CMYK color images. 2D slice data processing module use RIP and dithering algorithm to process 2D color images, thereby achieve the color image information correspond with each micro-nozzle. Ink-jet control module's function is to control each nozzle's on/of.

其中实体模型分层切片模块是基于Magics RP软件输出的彩色STL模型进行的,其输出层片数据为TIFF、JPG、BMP的CMYK格式的彩色图像;二维切片数据处理模块通过RIP算法和抖动算法对一系列二维彩色图像进行数据解析,从而实现图像的色彩信息与每个微细喷嘴的一一对应;喷墨控制模块的功能是控制每个微细喷嘴的喷射与关闭;运动控制模块则负责所有加工成型运动的协调运行。

Based on the early geologic studies, more integrated strata units and frame was established in Yunnan and Guizhou. The characteristic of macroscopical lithofacies and paleogeography was also raveled basically in this area. It was ascertained that some perfect developed PTB sections from marine via paralic to terrestrial facies lie in western Guizhou and eastern Yunnan. What's more, the stratigraphic sequence of Marine PTB or Terrestrial PTB across the PTB in this area is similar to that of the Meishan Section.

通过早期地质研究,在我国云南、贵州地区基本建立了比较完整的地层单位与格架,也基本弄清了该区的宏观岩相古地理特征,明确了黔西滇东地区存在发育完整的从海相—海、陆交互相—陆相的二叠系—三叠系界线剖面,而且该区海、陆相界线地层序列与浙江长兴煤山全球界线层型剖面具有一定的相似特征,使得在该区开展陆相二叠系—三叠系界线剖面的高精度划分和海、陆界线地层的高精度对比均成为可能。

The paper briefly introduces the design of the Petroleum Numerical Simulation Management Platform, which includes the Shengli Black Oil Software,Multi-layer 2D-2Phase Software and the Heavy Crude Thermal Recovery Software,in Solans Environment on SUN work station,it also introduces its study methods,its research ideas, its development tools with Project 863', and its experiences on developing Graphic User Interface with Motif style,and introduces a new useful method on how to use the Chinese charact...

该文简要介绍了在 SUN工作站 Solaris环境中研制开发的油藏数值模拟管理平台软件 PNSMP,它主要包括胜利黑油、多层二维二相及稠油热采等三部分。文章对油藏数值模拟管理平台的研究方法、研制思路及其开发工具进行了探讨,对于开发Motif风格的图形用户界面的成功经验进行了总结,并介绍了一种汉化界面的实用的简便方法。

Therefore, the EL spectra of (Znq_2)_4 is wider than that of Znq_2. 4._2 was synthesized. The analysis of molecular spatial structure and the characterization of material performance of_2 and Liq showed that two Liq molecules and two Naq molecules were connected by Na-O-Na bond bridges to form_2. Compared with Liq,_2 exhibits stronger rigidity in planar molecular structure, larger steric hindrance and intermolecular distance, and much smaller molecular polarity, thus resulting in much longer fluorescence lifetime, much higher fluorescence quantum efficiency, wider energy bandgap and better film formability. When used as light-emitting layer in OLED,_2 shows lower formation probability of excited dimmer and exciplex formation than Liq, thus emits bluer light with higher current efficiency than Liq. When_2 ultrathin film is used as electron injection layer in OLED, it exhibits higher current density, higher luminance, lower turn-on voltage and higher current efficiency than Liq ultrathin film for the existence of sodium ions in_2 ultrathin film. 5. The summarization the relationship between molecular spatial structure and material performance of Alq_3,(Znq_2) and Liq, lead the conclusion that the molecular spatial structure of Mq_n affects its material performance in such aspects as the rigidity of planar molecular structure, intermolecular interaction, molecule stacking mode and intermolecular distance.

制备了_2,通过对_2和Liq的分子空间结构与性能进行分析与讨论,发现_2是通过两个Na-O-Na键桥将两个Liq和两个Naq连接构成的,其分子平面结构的刚性程度强于Liq,空间位阻大于Liq,分子之间的距离大于Liq,分子极性远远小于Liq;_2的荧光寿命长于Liq,荧光量子效率高于Liq,成膜性优于Liq;_2的禁带宽度比Liq大,光致发光光谱中_2的最大发射峰较Liq发生蓝移;当_2在OLED中作为发光层时,激发二聚体与激基复合物的生成几率远远小于Liq,发的光比Liq更蓝,电流效率大于Liq;_2超薄膜中有Na离子的存在,与Liq超薄膜相比,当其在OLED中作为电子注入层时,具有更大的电流密度,更高的发光强度,更低的阈值电压和更高的电流效率 5、对上述Alq_3、Znq_2和Liq的分子空间结构与材料性能之间的关系进行了归纳总结,认为Mq_n的分子空间结构主要在分子平面结构的刚性程度,相邻分子之间的相互作用,分子堆叠的方式和分子之间的距离这四个方面影响其性能。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。