查询词典 control

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。

Electrophysciological indexes: in the experimental group ,the tardy rate of induced motorius action potential ,recovery rates of the amplitude of compound muscle action potential and twitch tension and tetanic tension of triceps surae muscle ,were significantly higher than in the control group.(4) Compared with the control group ,the triceps surae muscle wet weight was significantly greater in the experimental group.(5) histomorphological indexes: the count of myelinated nerve fibers ,diameter of regenerated axon,thickness of nerve myelin sheath and area of capillary were much more in the experimental group than in the control group.(6) observation of ultrastructure with the transmission election microscope: more abundant organella and maturer myelin sheath lay in the injured peripheral nerve of the experimental group, while not lay in the control group.

分别在术后第2、4、6周时进行各项指标的检测，结果发现：（1）实验组SD大鼠在整个实验过程中，其精神、毛发、体重，运动灵活性等一般情况优于对照组；（2）实验组的坐骨神经功能指数恢复率显著优于对照组，P＜0.01；（3）神经电生理指标：实验组运动神经诱发电位潜伏期的延迟率显著优于对照组，P＜0.05；复合肌肉动作电位振幅的恢复率显著高于对照组，两组比较第2周时P＜0.01，第4、6周时，P＜0.05；小腿三头肌单收缩力和强直收缩力的恢复率实验组显著高于对照组，P＜0.01；（4）小腿三头肌湿重的恢复率，第2、4周时实验组高于对照组，差异非常显著，P＜0.01；第6周时，差异仍显著，P＜0.05；（5）组织形态学指标：有髓神经轴突计数、再生轴突直径的恢复率，毛细血管面积，实验组均显著大于对照组，P＜0.01、P＜0.05、P＜0.001；实验组髓鞘厚度的恢复率也显著高于对照组，第2周时P＜0.01，第4、6周时，P＜0.05；（6）透射电镜超微结构观察：实验组再生轴突中细胞器丰富，髓鞘结构成熟，神经再生情况优于对照组。

In order to meet oilfiled urgent need and in terms of the effective technique way of control bit side force, a flexible deviation control and hole straightening drill assembly is designed by combining error control with perturbance control in the dissertation.

应现场的迫切要求，本文根据控制钻头侧向力的有效技术途径，按扰动控制和按偏差控制结合的方式，设计了柔性防斜纠斜钻具。

On the control strategy of liquid temperature, many control techniques were taken into account ,such as fuzzy control, expert PID control . Through simulation in MATLAB and many practical tests, fuzzy precompensation PID strategy was adopted . The system used μC/OS-II as the real-time kernel. And Keil C51 compiler was used as the nether application software development environment. So it's easy to extend and maintain the system.

在实验温度控制上，详细研究了多种控制方案，包括模糊控制，先进PID 控制等，通过多次计算机仿真实验和实际试验选取了模糊控制+预补偿PID 的新型复合控制技术，实现了温度的精确控制；在软件开发时选用了成熟的源代码公开的μC/OS-II 实时嵌入式操作系统作为实时内核和Keil C51 编译器作为下位机软件开发环境，极大地方便了系统的扩展和维护。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

This kind of entire direct current control rewinder electric control system through mathematical computation and parameter coordination,is conforms to the actual control need and obtaines the satisfactory control effect.

这种全直流控制的复卷机电控系统经过数学计算和参数的配合，符合实际控制的需要，取得了满意的控制效果。

The province's 65 counties completed the second national land survey data verification work in rural areas, accounting for 74% of the province the amount of verification; completed the three-dimensional system of Zhangye City Land Reserve building and zoning map satellite image production tasks, for the high-profile, Sunan , Sandan, folk music has established cadastral management system; completion of Lanzhou, Dunhuang, urn, cooperation, Pingliang, Guazhou, Jiuquan Iron and Steel Group and other cadastral survey 4680 square kilometers and a database-building; complete summary of Tianshui City, land survey tasks; for the prevention and control of geological disasters in the investigation of the basis of digital surveying and mapping results, actively cooperate with the focus on prevention and control of geological disasters in the works carried out; and the City, State Land Resources Bureau, has completed a Lanzhou, Tianshui, Dingxi, Pingliang, Wuwei, Jinchang, Zhangye, Jiuquan City, and Linxia 8 , Gannan mining rights for more than two states the size of the verification mission control surveying, mapping high-grade GPS control points 1940, covering an area of 128.4 thousand square kilometers.

完成了全省65个县区第二次全国农村土地调查数据核查工作，占全省核查量的74%；完成了张掖市国土储备三维系统建设及卫星影像区划图制作任务，为高台、肃南、山丹、民乐建立了地籍管理系统；完成了兰州、敦煌、金塔、合作、平凉、瓜州、酒泉钢铁集团等地籍测量调查4680平方公里和数据库建设；完成了天水市土地调查汇总任务；为地质灾害调查防治提供数字化基础测绘成果，积极配合重点地质灾害防治工程的开展；与市州国土资源局合作，完成了兰州、天水、定西、平凉、武威、金昌、张掖、酒泉八市和临夏、甘南两州的规模以上矿业权核查控制测量任务，测绘高等级GPS控制点1940座，覆盖面积128400平方公里。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷