您要查找的是不是:
- static inductive effect 静态诱导效应
- The inductive effect decreases with increasing distance. 诱导效应随着距离的增加而减弱。
- The article studies the inductive effect of erythrocytes nucleus of the toad, Bufo gargarizans by herbicide butachlor. 本文研究除草剂丁草胺对蟾蜍红细胞核的诱变效应。
- The space charge effect (SCE) of static induction transistor (SIT) that occurs in high current region is systematically studied. 摘要研究了静电感应晶体管(SIT)在大注入情况下出现的空间电荷效应,分析了空间电荷效应的物理机制。
- This paper expounds the negative inductive effect of alkyl and explains the order of acidity of some substances. 阐述了烷基的吸电子诱导效应,因此解释了一些物质的酸性变化顺序。
- Inductive effect, conjugation effect and hyper conjugation effect are called electronic effect. 诱导效应、共轭效应和超共轭效应总称为电子效应。
- Objective:To study the inductive effect of absorbable crystalline glass (ACG) and absorbable crystalline glass powder(ACGP) , in osteogenesis. 目的:观察磷酸钙微晶玻璃在植入兔颌骨后的组织学变化,探索磷酸钙陶瓷的生物降解机制。
- A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up. 利用诱导效应指数建立了一个含羰基有机化合物的标准生成热的简单计算方法。
- In textbooks of organic chemistry.the orientation rule of substituting groups in benzene ring is often explained with electronic effect (inductive effect and conjugative effect). 有机化学教材中通常是从电子效应(诱导和共轭)来解释苯环上取代基的定位规律。
- Methods for improving the high current performance of static induction transistor (SIT) are presented. 摘要描述了改善静电感应晶体管(SIT)大电流特性的新方法。
- The inductive effect of withdrawing and releasing group and the rigidity-flexibility of the molecular chain in the structure of molecular backbone chain influence the imidization reaction. 分子主链结构中的拉、推电子基团效应及分子链的刚柔性影响醯亚胺化反应。
- A practical inductance detecting system is introduced in this paper. The system can detect static inductance and dynamic inductance. The system is easy and practicable. 介绍一种由单片机组成的电感测试系统,使用该系统可以进行静态电感及动态电感的测试,系统构成简单、实用。
- In order to comprehend schottky gate of organic static induction transistor, chapter two expatiates characteristics of PN junction and schottky junction. 为了理解有机静电感应三极管的肖特基栅极原理,本文在第二章阐述了PN结和肖特基结的特性。
- The influence of the resonance effect,the conjugative effect,and the inductive effect on the absorption frequency of the characteristic chemical bonds have been discussed mainly in this paper. 重点讨论了共轭效应、共振效应、诱导效应对功能团吸收频率的影响,并利用吸收频率数据比较有机物的某些性质,如羰基化合物的亲核取代反应,若香烃的亲电取代反应,某些酸的酸性强弱,有机物的异构现象。
- We studied properties of GaN-based Schottkey barrier Static Induction Transistor(SIT) by the full-band ensemble Monte Carlo approach. The distributions of the electric potential,electric field,and electron concentration in SIT are presented. 用全带多粒子Monte Carlo模拟方法研究了GaN基肖特基势垒静电感应晶体管(SIT)的特性,给出了器件的电势、电场强度和电子浓度分布的Monte Carlo模拟结果。
- A series of planar chiral ferrocene modified bisphosphine pocket ligands were synthesized, which showed stronger inductive effects with the aid of planar chirality. 通过设计合成了一类平面手性二茂铁修饰的手性口袋型双膦配体,由于有平面手性的辅助而具有更强的口袋效应。
- The designing approaches and key fabricating technologies for high frequency high power double dielectrics gate static induction transistor (DDG SIT) with mixed non-saturating I-V characteristics are presented. 提出了用同步外延法设计和制造具有双介质层栅结构和非饱和电流电压特性的高频高功率静电感应晶体管的关键技术 .
- In this paper, we propose a low power dynamic bus encoding scheme which simultaneously reduces the capacitive and inductive effects by the measurement of real RLC model. 以往的研究只针对电容效应,提出改善办法,但由于现今的晶片设计,使用了低电阻导线与高速的讯号转态时间,使得在设计汇流排时,电感的耦合效应亦必需纳入考量。
- This paper describes a high-frequency and high-power induction heating inverter by using Static induction Transistor(SIT) ,and proposes the technique of choosing and controlling of SIT. 本文简述了静电感应晶体管(SIT)大功率感应加热电源的研究成果。 着重介绍了SIT的参数选择及控制方法。
- The change of induction effect was closely correlated with the soluble carbohydrate content and respiratory intensity. 诱导效应的变化与可溶性糖含量和呼吸强度关系很大。