Efficient C-S Cross Coupling Catalyzed by Cu_2O Cu2O催化的C-S交叉偶联反应的研究
Research on C-S Grout for Injecting in Shield Construction 盾构施工壁后注浆C-S浆液的研制与应用
PREPARATION AND CHARACTERISTICS OF PBA/ PMMA CORE SHELL PARTICLES AS TOUGHER The polystyrene ( PS) composite with different particle sizes, concentration and core layer crosslinking agent of core shell particles were prepared. PBA/PMMA型核壳结构增韧剂的合成及表征不同粒径、用量及核层交联密度的核壳微粒(C-S)与聚苯乙烯(PS)共混得到PS/C-S复合材料。
Then some airborne SAR imaging techniques are discussed and compared, including Range-Doppler ( R-D) algorithm, improved R-D algorithm, Chirp-Scaling ( C-S) algorithm, extended C-S algorithm and nonlinear C-S algorithm. 然后对各种机载SAR成像处理算法进行了讨论和比较,包括标准的距离-多普勒(R-D)算法、改进的R-D算法、标准Chirp-Scaling(C-S)算法、扩展C-S算法和非线性C-S算法。
Recent Developments of Shield Method Research on C-S Grout for Injecting in Shield Construction 盾构工法的新动向盾构施工壁后注浆C-S浆液的研制与应用
O-H and S-H bond insertions in Rh ( II) complex catalytic reactions of α-diazo carbonyl compounds provide direct entries to C-O and C-O bond formations, respectively and have gotten important applications in organic synthesis. 其中二价铑卡宾插入到O-H,S-H键的反应提供了C-O,C-S键的生成,在有机合成中得到重要的应用。
It is introduced how to determine carbon and sulphur in ferronickel with CS-200 infrared C-S analyzer, particularly in detail that how to select new or regenerated crucible and flux, the operation conditions of the instrument. 介绍了如何运用CS-200型红外碳硫分析仪测定镍铁中的碳硫,重点对新坩埚和再生坩埚以及助熔剂的选择、仪器的工作条件进行较详细的介绍,操作简单、可靠。
~ ( 11) C methylation was very important methods for synthesis of PET radiopharmaceuticals. It included C-N, C-O, C-S methylation and so on. ~(11)C甲基化是PET放射性药物合成重要方法之一,包括C-N、C-O、C-S甲基化等。
Connectedness of the Cone-efficient Point Set in the C-S Point Set C-S型集的锥有效点集的连通性
According to the transports enterprise's demand of dynamically dispatching the vehicles distributing in the national scope, the Vehicle and Cargo Monitoring System is designed, which unifies B-S and C-S. 根据运输企业对分布于全国范围的大规模车辆动态调度的需要,设计了B-S与C-S相结合的车辆及货物监控系统。
This paper is introduced the method, grouted materials, principles and effects of sealing water in shaft wall with C-S grout and chemical grout on three shafts in recent years. 本文介绍近年来三个矿井利用C-S双液浆和化学浆处理井壁淋水的方法、材料、反应机理和堵水效果。
In chapter 4, the R-D algorithm, Wavenumber Domain algorithm and C-S algorithm are studied. And we particularly deduce the improved C-S algorithm. 第四章着重研究了合成孔径雷达的三种常用成像算法:R-D算法、波方程算法、C-S算法,并提出了针对C-S算法的一种改进C-S算法,进行了详细的推导。
This system adopts C-S mode structure, is made up of the customer software and the server software. 本系统采用C-S模式结构,由客户端软件与服务器端软件组成。
A Real-Time Remote Volume Rendering System Based on C-S Model and Its Application in Medical Image Processing 基于C-S模型的实时远程体重建系统及其在医学图像中的应用
Using organic sulfur from DBT as the sole sulfur, rhodococcus DS-3, which is endowed with the property of specific cleavage of carbon-sulfur bonds has been breaked. 以二苯并噻吩(DBT)中的有机硫为唯一硫源,筛得一株可专一断裂C-S键的菌株&红球菌DS-3。
Experimental study on heat transfer performance of a C-S tube has been reported for condensation of R22. The result shows the heat transfer coefficient of condensation of the C-S tube is related with the surface tension and the vapor velocity, and then fits experimental relational expression. 以R22为工质在套管式冷凝器中对C-S水平管在饱和蒸汽状态下冷凝传热的性能进行实验研究,得出凝结换热系数与表面张力及蒸汽流速之间的关系,并拟合出其实验关系式。
Calculations are done with this model on a rotational helical blade and a compressor rotor blade, the results art: comparied with experiments and the computation results with C-S model, showing that the present model can improve the prediction capability of near wall parameters in certain extent. 对旋转螺旋面及压气机转子叶片上的三维旋转湍流边界层进行了计算。计算结果与实验和C-S模型计算结果比较表明,该模型对近壁参数的预测能力有所改善。
With improved C-S architecture and with JAVA for interface to VRML, in the end, the authors implement the modeling of an integrative virtual environment integrated with static scene and dynamically interactive action. 最后,采用改进了的C-S结构,以JAVA语言作为宿主语言VRML的接口,创建并实现了一个结合静态几何模型和动态行为交互的虚拟场景。
The complex ions produced, when the catalyst metallic ions react with water, can attack the sulfur atom in heavy oil and lead the cleavage of C-S bond, leading to the decrease of average molecular weight. 催化剂中的金属离子与水分子的络合,生成的络离子对稠油中杂原子S的进攻,稠油分子中C&S健的断裂,使稠油的分子变小;
C-S bond in thioether is easy to be broken down and products H 2S. 硫醚中的C-S键容易断裂,生成H2S气体。
Acidic components with high temperature ( H 2 S, SO 2, HF, HCl and so on) and transitional metal elements in the volcanic hydrothermal fluid may promote the bond fission of C-O and C-S in kerogen, and has catalytic action on hydrocarbon generation. 火山热液中的高温酸性组分(H2S,SO2,HF和HCl等)以及过渡金属元素可促进干酪根中碳-氧键、碳-硫等键的断裂,对油气生成具有催化作用。
The analyses show that C-S algorithm has the better performance in the squint mode with the lower computational cost, and it has been the standard airborne SAR imaging algorithm instead of the R-D algorithm. 分析表明,C-S算法以较小的运算量取得了较好的斜视情况下的性能,已取代R-D算法成为机载SAR成像的标准算法。
Similarly, the bond of C-S in ethanethiol can also be cleaved by · OH, thus deodorization was achieved. 同样地,·OH还能使乙硫醇的C-S键断裂,起到了较好的脱臭效果。
S atoms were fixed on adsorbents by the reaction between metal oxide/ metal and sulfur compounds, residual hydrocarbon returned to gasoline. 通过金属氧化物/金属与含硫化合物中硫的反应,将硫固定在吸附剂上,C-S键断裂,剩余烃类回到液体油中。
The traditional methods for the formation of C-N, C – S bond require harsh reaction conditions in which high temperature, high boiling point solvent and expensive ligand are often needed. 传统的过渡金属催化C-N,C-S键的构成条件较苛刻,通常需要高温、高沸点溶剂和昂贵的配体。
Cross-coupling reactions under the catalysis of copper were reviewed, and the progress of research and mechanism on the construction of C-C, C-N, C-O, C-S was mainly described. 2. 第1章,对铜催化交叉偶联反应进行概述,主要介绍了它在C-C,C-N,C-0,C-S键构建方面的研究进展以及反应机理。
Finally the paper describes the dynamic software architecture of the C-S system. 最后描述了C-S系统的自适应体系结构模型。
The formation of C-N, C-S is vital to the organic chemical reaction whose products are widely used in many aspects, such as Chemical Industry, Medication and Biology. C-N,C-S键的构成是有机化学反应中一个重要的组成部分,其产物在化工、医药、生物等许多方面都有着广泛的应用。
The results showed that the C-S model is too more to contain the material strain rate effect. 结果表明C-S模型过高地反映了材料的应变率效应。
Formaldehyde is a metabolite in Lentinus edodes; GGT and C-S lyase were the two key metabolic enzymes in the formation of formaldehyde. 香菇甲醛是自身酶促反应的代谢产物,GGT和C-Slyase是其中两个关键酶。