Orientation Effect of the Methoxy on the Reaction of Electrophilic Aromatic Substitution 甲氧基在苯甲醚亲电取代反应的定位作用
They consider that orientation the ecological effect of technology must to analyze the economic and social and political function of technology of capitalist society. 他们认为,定位科学技术的生态学效应应着重分析科学技术在资本主义社会的经济、社会和政治功能及其关系。
Therefore, connectivity research of discontinuities in jointed rock mass is analyzed at two aspects: ( 1) geometrical connectivity reflecting hydromechanics of rock mass and spatial orientation effect of discontinuities; 因此,可将结构面连通性研究分解为2类问题:(1)反映空间方位效应及岩体水力学特性的几何学连通性;
When R_I < 0, R_C < 0, R < 0, substituent can deactivate the benzene ring and has m_position orientation effect; RI<0、RC<0、R<0时,取代基是使苯环钝化的间位定位基;
Reinforcing Mechanisms and Their Orientation Effect of Discontinuous Elongated Reinforcements in Ceramic Matrix 陶瓷基体中不连续细长相的增韧机制与方位角效应
Value orientation and social effect of New Historicism trend of thought in literature and art 新历史主义文艺思潮的价值取向和社会效应
Achievement goal orientation moderated the effect of goal incentive on the effectiveness of entrepreneurial action. 目标激励与创业行动效能的关系受到成就目标导向的缓冲。
The orientation will take effect in the operation designing and system designing, and the implementation of database center. 数据中心的定位将影响其业务设计、系统设计以及项目实施,因此数据中心的建设首先必明确数据中心的定位。
Generally speaking, when R_I < 0, R_C> 0, R> 0, substituent can activate benzene ring and has p_ and o_position orientation effect; 一般而言,RI<0、RC>0、R>0时,取代基是典型的使苯环活化的邻对位定位基;
Connotation of Self-Enhancement and Its Studies The Relation Orientation and the Effect of Relation Orientation on Self-Enhancement of Undergraduates 自我提升的含义与研究大学生关系取向及其对自我提升的影响研究
The reinforcing mechanisms and their orientation effect of discontinuous elongated reinforcements in ceramic matrix are observed by SEM for Si3N4 matrix composites. 对不连续细长相在陶瓷基体中的增韧机制及其方位角效应进行了实验观察。
Empirical parameter on  ̄( 13) c-nmr chemical shifts and orientation effect ~(13)C&NMR谱化学位移的经验参数与定位效应
Different orientation effect of visual evoked potential due to different temporal stimulating frequency 不同时间频率光栅刺激引起的视觉诱发电位(VEP)方位效应的差异
Reactivity and orientation effect of halogens in organic moleculars 有机分子中卤原子的定位效应和反应活性
The Determination of Orientation and the Effect of Non-Crystalline on the Properties of PET Fibre 涤纶纤维取向测定和非晶区取向对纤维性能的影响
This paper discusses the relation between the empirical parameter of chemical shifts in carbon-13 NMR spectra and orientation effect in electrophilic substitution. 本文研究了取代苯13C&NMR谱化学位移的经验参数与芳烃取代活性顺序以及亲电取定位效应的关系。
Applying of NMR hydrogen chart in the orientation effect of aromatic hydrocarbon close electricity 核磁共振氢谱在芳烃亲电取代定位效应中的应用
In this article, authors provide design condition considered during steel hanging box sinking, monitoring to the maximum stress and strain points calculated in design during construction process, sinking process control and adopted measures and horizontal and vertical orientation methods and effect. 主要介绍了钢吊箱下沉考虑的设计工况,施工过程中对设计结果出现最大应力、应变位置的监测情况,下沉的过程控制和采取的措施,平面和竖向定位的方法及效果。
A new method for calculating atomic charges in molecules and quantitative treatment of the orientation effect of electrophilic aromatic substitution reaction 计算分子中原子净电荷的新方法及芳烃亲电取代反应定位效应的定量处理
The 9 or 11 LB film layers may well align liquid crystals, but the orientation effect of liquid crystals on the Polyimide LB films is worse than that on the strong rubbing films. 9或11层LB膜可以很好地排列液晶分子,但液晶在聚酰亚胺LB膜上的取向效果劣于强摩擦膜表面的情形。
Orientation Effect and Charge Distribution in Monosubstituted Benzenes 单取代苯分子中的电荷分布与定位效应
If was found that the spraying orientation has effect on Young's modulus of coating which takes on the anisotropic property. 研究发现涂层弹性模量与喷涂方向有关,呈现了各向异性的特性。
The calculated probability is corrected with the molecular orientation effect and the spatial distribution of laser intensity. 我们还在分子的取向效应和激光强度的空间分布两个方面对解离几率进行了修正。
Because the system designer and implement executives are human, institutional value orientation and implementation effect and people thought consciousness is closely linked. 因为制度的设计者和贯彻执行者都是人,制度的价值取向和实施效果都与人的思想意识息息相关。
The substrate temperature can significantly change the growth orientation from the 012 original priority growth direction into the 100 direction for Te films in the 4T magnetic field and at the temperature of 120 ℃. The temperature is not favorable for the orientation effect of the magnetic field. 衬底温度也可以明显的改变Te薄膜的取向生长,在4T磁场下,120℃制备的Te薄膜优先生长方向由原来的012变为100方向;温度的升高不利于磁场的取向作用。
It discusses various kinds of social security modes in terms of its theoretical basis, value orientation and the effect appraisal. 讨论各种社会养老保障模式的理论基础、价值取向和效果评价。
This paper analyzes the logo itself, its environmental and psychological behavior of pedestrians on the orientation effect, and the distribution of directional signs on the impact of abortion. 本文分析了标识本身、标识所处的环境以及行人的行为心理对导向效果的影响,并分析导向标识的分布对人流的影响。
It has the important meaning to inspire current people through study social background, cultural value, aesthetic orientation and social effect. 本文对《弥赛亚》中的基督精神进行分析,对于研究当时社会大背景、文化价值、审美取向、社会效应以及对当今人们的启发等都具有重要的意义。
In order to evaluate the performance of green marketing in the real estate industry in the forerunner district, the paper introduces an original questionaire consisting of 23 evaluation index which covers three aspects: social orientation, public effect, and service standard. 为评价长沙市大河西先导区房地产行业绿色营销绩效,本研究设计了新颖的调查问卷,从社会导向、公众效果和服务水准三方面提出了23项房地产绿色营销绩效评价指标。
Deep drawing by fibrous tissue orientation effect colloids, correct understanding and using the material fiber direction, is material processing engineering need to study the one of important issues. 拉深效果受纤维组织取向的影响非常明显,正确认识和利用材料的纤维方向,是材料加工工程需要研究的重要问题之一。