查询词典 intervallic

First, the preparation of l,2-dichloro-4-nitrobenzene, which l-chloro-4-nitrobenzene reacted with chlorine in a self-designed chlorinator, in presence of Lewis acid catalyst,.was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield of l,2-diehloro-4-nitrobenzene was 83.26%.

为此，本文首先在自行设计的塔式氯化器中，以对硝基氯苯为原料，路易氏酸作催化剂，分子氯氯化合成3，4-二氯硝基苯(合成3-氯-4-氟-硝基苯的原料)，根据该氯化过程特征，利用正交试验设计方法结合单因素实验考察了有关因素对氯化过程的影响，优化得到了最佳的氯化工艺条件，3，4—二氯硝基苯的收率可达83.26％。

First, a chlorinator was self-designed in this paper, and dichloride of 2-methyl-1-propene was synthesized by 2-methyl-1-propene reacted with chlorine fast in this reactor. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield and selectivity of dichloride of 2-methyl-1-prop-ene were more than 65% and 80% respectively. Second, the preparation of 2-methylene-1, 3-propanediol, which dichloride of 2-methyl-1-propene reacted with alkali was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the conversion of dichloride of 2-methyl-1-propene was 100%. Moreover the preparation of MPO, which 2-methylene-1, 3-propanediol reacted with hydrogen, in presence of Al_2O_3-Pd catalyst, was gotten, and the product was appraised.

本文在氯化反应过程中，自行设计制作出了氯化管式反应器，在该反应器中异丁烯和氯气迅速混合反应生成二氯异丁烯，根据该氯化反应特征利用正交试验和单因素试验考察了有关因素的影响并优化得到了最佳工艺条件，二氯异丁烯的总收率达65％以上，选择性达80％；接着，对二氯异丁烯进行水解反应制得了2-甲烯-1，3-丙二醇，讨论了相关因素对水解反应的影响，并通过正交试验和单因素试验得到了较佳工艺条件，二氯异丁烯的转化率达100％；同时还对制备的2-甲烯-1，3-丙二醇在常压下采用三氧化二铝负载钯催化剂催化加氢得目的产物MPO，并对产品进行了鉴定，从而打通了整个工艺路线。

Objective To discuss the cause of intervallic hypodynamia in myocardial contraction and the electrocardial circulation.

目的对体外循环下，心脏瓣膜置换术后并发心电活动与心肌收缩间隔脱落原因及防治进行探讨。

Keywords rheumatic heart disease heart valve prosthesis electrocardiographic action Intervallic hypodynamia

风湿性心脏病；心瓣膜置换术；心电活动；心间隔脱落

Notice that in all intervallic relationships, one must first count the number of staff degrees involved, and then qualify the relationship.

在区分所有的音程关系时，人们必须首先看五线谱上的音程级数，然后再找出它们的关系。

A 4 order intervallic [0,1] Coifman scarlet at level 6 is constructed used to solve integral equations.

本文构造了一个分辨率为2~6的4阶Coifman[0，1]尺度函数，用于求解积分方程。

The integral ranges are limited while the standard wavelets are defined on the whole real line. The wavelets defined on special intervallic are required.

由于积分区域是有限的，而标准小波是定义在整个实轴上的，因需要构造一个定义在特定区域的小波，以求解积分方程。

In this research, four experiments had been designed to study the patterns and characteristics of SEMG signal by linear and nonlinear signal analysis methods during the short period of recovery, ischemic forearm exercise, sustained and intervallic maximal voluntary contraction of biceps brachii in twenty-eight human subjects.

为探索肌肉疲劳过程中影响SEMG信号变化的生理因素，本研究采用线性和非线性混沌动力学两个方面的分析方法，观察在各种控制条件下的肌肉疲劳或恢复过程中SEMG信号的变化规律。

Wavelet; Method of moment; PCB planar spiral inductor; Intervallic wavelet; Skin-effect; Radiation characteristic

小波； 矩量法； PCB平面螺旋电感；区间小波；趋肤效应；辐射特性

The frequencies and intensities of the pulse producing bio-effects were dispersive and intervallic.

同时，能够在细胞胞浆Ca^2＋浓度的时-频域内产生生物学效应的电磁波脉冲频率和脉冲强度是离散的和间隔的，这意味着，ELF脉冲电磁波能够在细胞胞浆Ca^2＋浓度的时-频域内产生生物学窗效应。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了