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1)  Double crossed product
偶交叉积
2)  Double crossed Bi-product
偶交叉双积
3)  cross dipole
交叉偶极
1.
By the tool,slowness of compressional wave,shear wave and Stoneley wave can be accurately acquired by means of full wave signals of monopole,cross dipole and quadrupole mode,and then anisotropy of stratum can be analyzed.
一种新型多极子阵列声波测井仪器由上电子短节、声系和下电子短节等3个相对独立的部分组成,能够通过单极、交叉偶极和四极声波全波信号准确获得纵波、横波和斯通利波时差,并分析地层的各向异性特征,求取孔隙度、估算渗透率、识别岩性等。
2.
A high speed high accuracy and multi-channel synchronous data acquisition system for array acoustic logging is designed, which can be used under downhole high temperature, the requirements for cross dipole simulation signal process for acoustic logging, the integration of acquisition circuit and method for its data processing are put forward.
设计了一种可工作于井下高温环境,用于阵列声波测井的高速高精度多通道同步数据采集系统,提出了声波测井对交叉偶极模拟信号的处理要求以及采集电路的构成和采集数据处理的方法。
4)  cross-coupling
交叉偶联
1.
Cross-Coupling Reaction and Its Application in Research of Intramolecular 1, 4-Aromatic Radical Transfer;
交叉偶联反应及其在分子内1,4-芳香自由基转移研究中的应用
2.
The Research of Kumada Cross-Coupling Reaction Catalyzed by Ultrafine Amorphous NiB Alloy;
超细NiB非晶合金催化Kumada交叉偶联反应的研究
3.
The effects of support and solvent on the oxidative cross-coupling of 2-naphthol with 2-naphthylamine using FeCl3/Al2O3 were studied.
采用浸渍法制备了不同负载量的FeCl3/Al2O3固体氧化剂,并考察了载体和溶剂对氧化2-萘胺和2-萘酚交叉偶联的影响。
5)  cross-coupling reaction
交叉偶联
6)  cross coupling
交叉偶联
1.
Ethyl 2 arylpropionate was synthesized from 2 bromopropionic acid ethyl ester and zinc to give the zinc reagent, and then by cross coupling reaction with Ar Br using Ni(PPh 3) 4 as catalyst in an overall yield of above 50%.
先将α-溴代丙酸乙酯与金属锌反应制得有机锌制剂 ,然后在苯膦合镍 (0 )催化下直接与溴化芳烃交叉偶联 ,可制得 2 -芳基丙酸酯 ,反应条件温和产物易提纯 ,总收率 5 0 %以上。
补充资料:交叉偶联反应
分子式:
CAS号:

性质: 一个有机分子与另一有机分子发生的不对称偶联反应。例如:烯丙基锂与2-氯辛烷可以发生交叉偶联反应生成4-甲基-1-癸烯。格利雅试剂、有机铝、有机锌、有机锡、有机铜、有机铅、有机汞等多种有机金属化合物也都可以与卤化烷等烃基化试剂发生交叉偶联反应,生成相应的不对称烃,是合成不对称烃,特别是单烷基芳烃和含有三级碳原子的链烃的有效方法。交叉偶联反应的范围很广,像芳烃重氮盐与苯酚或N,N-二甲基苯胺的偶联反应,也属于交叉偶联反应。

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