查询词典 control

To investigate the change of these indexes after treatment between traditional Chinese drug treatment group and control group, and the difference between control group and TCDT group.Methods:1. 40 cases with CHD were divided into TCDT group and control group randomly. The control group was treated by regular western medicine of Isosorbide Dinitrate and ASA while the TCDT group was treated by Guanxinshengmaiyin.

1、选择40例冠心病患者，随机分为两组，即中药治疗组与西药对照组，中药组用&冠心生脉饮&治疗，西药组常规给予消心痛和阿司匹林口服；2、检测两组病人治疗前后血清VEGF和NO的含量；3、选择16例健康体检者作为健康对照组。

In chapter Ⅰ, a historial review of structure control is given; In chapter Ⅱ, A discussion of the controllability and observablity of flexible structures is given, Two kinds of controllability and observablity index are defined, and applied to actuator allocation; chapter Ⅲ considers the reduction of high order flexible structure mode; the content of chapter Ⅳ is about the basic problem of distributed parameter control system design. It is proved that a stable controllor in mode space may be unstable in real use in distributed paramater systems, also, by closed loop mode concept, a pole assignment method of flexible structure controllor design is given; chapter Ⅴ is about the low-authority controllor design, it is pointed out by use of high order eigenvalue/eigenvector perturbation, a better controllor can be designed; chapter Ⅳ considers flexible structure reduced order control; chapter Ⅶ disscusses the basic problem of flexible structure computer control, analyses discreate controllablity and observablity and its computing, the sample period and coefficient wordlength; chapter Ⅷ is on the problem of low flexibility compensation; chapter Ⅸ is a design example.

在第一章简要回顾了挠性结构控制的历史，并且指出控制中的一些问题；第二章讨论了挠性结构的能控性与能观性，定义了两类能控性程度和能观性程度指标，还将能控性程度概念应用于执行器位置的确定；第三章论述了高阶模型的降价问题，比较了适于挠性结构模型降阶的方法，指出其适用范围；第四章内容是分布参数系统设计的基本问题，首先证明在模态空间中设计的稳定的控制器在实际分布系统上可能是不稳定的，进而根据闭环模态的概念，获得挠性结构控制器设计的极点配置方法；第五章的内容是关于低权控制器的设计问题，指出利用特征值高价摄动和特征向量的摄动，可以设计出更加完善的低权控制器；第六章讨论挠性结构降阶控制问题；第七章讨论挠性结构计算机控制的基本问题，分析了时间离散化模型的能控性和能观性及其计算问题，讨论了采样周期选择和系数字长问题；第八章讨论低挠性结构的补偿问题；第九章的设计例子用来说明第二章和第四章的结果。

Vehicle's collision with the speed control hump would lead to vehicle damage, driving unconfort, noise pollution and speed control hump would lead to damage. The units of speed control hump were laid dividually in transverse direction to solve the problems. Inequations were given to guarantee that vehicles would not tilt when passing speed control hump would lead to.

提出将垄单元横向间断布设以解决车辆与减速垄反复碰撞造成车辆损坏、驾乘舒适性差、周边环境振动、噪音污染和减速垄损坏等问题，列出不等式组保证车辆通过垄单元时不发生倾斜。

Entomologenous fungi are important biological control agents, and are widely applied to control insect pest. It is for some years to control M. alternatus by entomogenous fungi. But it is limited to control pest because only spore can be used.

虫生真菌是一类重要的生防真菌，在生产上应用广泛，防治松墨天牛在生产上也早有应用，但目前多利用其孢子粉剂或液剂，在应用中受到很大限制。

This product is applicable to coal mine where has explosible dangerous gas and coal dust,It is used for controlling direct starting stop and reversion of three-phase squierrel cage type asynchronous motor whose rated current up to 400A in system of AC50Hz rated voltage 1140V or 660V, Meanwhile it protects the electromotor and relative circuit, The starter can be combined with firedamp sensor and used to test the consistency of mining working area,the starter will trip when it exceed the limit ;adopt intrinsic safety type circuit for the control circuit; possess the function of local control and remote control by single set and multi sets procedure control; display working voltage current and gas consistency can remember fault parameter

该产品适用于具有爆炸性危险气体和煤尘的矿井中，在交流50Hz，额定电压为1140V或660V ，控制额定电流只400A的三相鼠笼式异步电动机的直接起动，停止及反转，同时对电动机及有关电路进行保护，起动器可与甲烷传感器相连接用于检测才掘工作面的甲烷浓度，当其超限时起动器跳闸；控制电路采用本安型电路；具备单台就地控制与远方控制及多台程序控制功能，能显示工作电压、电流、瓦斯浓度，并能记忆故障参数。

Results The result in 4 weeks showed that the laying rate of trial group and control group was 83.86%and 69.96% respectively; broken egg rate and malformed egg rate of trial group were 1.28% and 4.33%, that of control group was 1.69% and 1.19%; total egg number and hatchable egg number of trial hen were more than that of control hen 3.89 and 3.26 respectively ; average egg weight was not affected. E2 level in blood of trial group was higher than control group.

结果：在4周的实验期内实验组和对照组的产蛋率分别为83.86%和69.96%；破蛋率分别为1.28%和1.69%，畸形蛋率分别为4.33%和1.19%；实验组平均每只鸡的产蛋总数比对照组多3.89个、合格种蛋数多3.26个；药物处理对平均蛋重无显著影响；使用溴隐停能够提高鸡血液中的雌激素水平。

Methods 70 male SD rats are randomly devided into 7 groups with their right testis extirpated except for normal control group. Normal control group andnegative control group are given saline while positive control group are injected hypodermically testosterone propionate at dose of 2mg/kg－1?

将70只SD雄性大鼠随机分为正常对照组、阴性对照组（摘除右侧睾丸＋灌胃生理盐水）、阳性对照组〔摘除右侧睾丸＋丙酸睾丸素（皮下注射2mg/kg－1？

Based on average current mode, PI control adopts the same double loop structure as analog control; Repetitive control adds a feedback innerly to change the model of control object so that it can meet the requirements of stability. This equals to a three-loop structure.

PI控制的设计基于电流平均模式，与模拟控制的双环结构相似；重复控制的设计，内部增加一个负反馈，以改变控制对象的模型，使之满足重复控制的稳定性要求，相当于一个三环控制结构。

Results: a In the negative control group, spontaneous chromosome aberration and micronucleus rated the mice's were very low; in the positive control group, chromosome aberration and micronucleus rate of the mice's were highest. b Before cyclophosphamide intoxation, when the four kinds of vegetables and hilts juice were preventively irrigated into the mice's stomachs respectively, the chromosome aberration and micronucleus rate in the negative control group were lower than these in the positive control group (P.05); but after intoxation, when the four kinds of vegetables and fruits juice were therapeutically irrigated into the mice's stomachs respectively, the chromosome aberration and micronucleus rate were similar with the result above mentioned . c Acing the four kinds of vegetables and fruits, sea-buckthorn lad the best preventive and curative effects.

结果：a在阴性对照组中，小鼠自发的染色体畸变率和微核率极低；在阳性对照组中，小鼠染色体畸变率和微核率最高。b在环磷酰胺染毒之前，分别将4种蔬菜水果汁给小鼠进行预防性灌胃，其染色体畸变率和微核率均比阳性对照组低(P.05)；在染毒之后，分别将4种蔬菜水果给小鼠治疗性灌胃，其结果与上述实验结果相似。c在4种蔬菜水果中，以沙棘的预防和治疗效果为最好。

The company is in line with " the product has no limits, the principle that based on sincerity and pursue being outstanding ", invest the numerical control woodworking machinery trade meticulously, besides researching and developing the products that numerical control woodwork engraves the milling machine , numerical control and carves the milling machine , three major series and a dozen specifications of numerical control carving machine, having developed 10 axle cantilever woodwork machining centers again recently, the real wooden door, special-purpose bull of wave board engraved the milling machine , changed a one hundred sheets of woodwork and engraved the milling machine automatically, multicipital workingbench movement woodwork engraves professional equipment , such as milling machine ,etc..

公司本着&品无止境，诚信为本，追求卓越&的原则，精心投入数控木工机械行业，除研发出数控木工镂铣机、数控雕铣机、数控雕刻机三大系列十几个规格的产品外，近期又研制了10轴悬臂木工加工中心，实木门、波浪板专用多头镂铣机、自动换刀木工镂铣机，多头工作台运动木工镂铣机等专业设备。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。