In the bulk simulated acid rain solution with pH value 2.4--3.8, the electrochemical impedance spectroscopy of zinc consists of a capacitive loop in high frequency and an inductive loop in low frequency, the control step for corrosion of zinc is charge transfer process.
在pH值为2.4--3.8的模拟酸雨本体溶液中，Zn的阻抗谱由高频容抗和低频感抗构成，Zn的腐蚀受电荷传递过程控制。
Results:The EP group had higher fallopian tube diseases history than control group, 76% and 43% respectively; EP patients treated by ICSI were more than those by IVF(χ2=4.11, P.05EP patients after frozen embryo transfer were more than those after fresh embryo t...
结果：输卵管妊娠组既往存在输卵管病变者明显高于宫内单胎妊娠组(P.05)；采用卵母细胞单精子注射发生输卵管妊娠多于体外受精治疗者(P.05)；冷冻胚胎移植输卵管妊娠发生率较采用新鲜胚胎移植者更高(P.05)；宫内单胎组胚胎移植后14天血β-HCG浓度要明显高于输卵管妊娠组(P.01)。
They consist of researches on new organic working pairs, absorption refrigeration cycle, heat transfer and mass transfer, intelligent control mode, etc.
简单回顾了吸收式制冷技术的发展背景；较详细地介绍了国内外吸收式制冷技术的研究热点，主要包括对新工质对、吸收循环、传热与传质、智能化控制方式等几方面的研究。
Main content are as follows:(1) Mathematical model for the control system, including differential equation, transfer function, state equation, block diagram and model transform; (2) Time domain analysis of the control system, including time response calculation, stability, controllability, observability and dynamic performance; (3) Frequency domain analysis of the control system, including Nyguist stability criterion, Bode plot and the relation between Bode plot and the performance of control system; (4) Design for control system, including serial compensation, parallel compensation and combination compensation; (5) Sampled-data control theory, including model description, performance analysis and the system design.
授课内容：（1）控制系统的数学模型，包括微分方程、传递函数、状态方程、结构图和模型转换；（2）控制系统的时域分析，包括时间响应计算、控制系统的稳定性、能控性、能观性和动态性能；（3）控制系统的频域分析，包括Nyguist 稳定判据、Bode图、开环Bode图与控制系统的性能；（4）控制系统的设计，包括串联校正、并联校正和复合校正；（5）采样控制系统理论，包括采样系统的模型描述、性能分析和系统设计。
By setting up the mathematical models of the regulating objects （combusting heat transfer, heat utilization and storage, superheater and main steam pipe line）, by combining heat transfer function of regulating system and by selecting method of setting PID accoding to set attenuation index object, the corrections among PID and pulverized coal＇s caloric values are found. Now the PID can be set according to caloric values of the pulverized coal burned in the unit and the automatic control can be put into operation.
通过建立调节对象四个环节（燃烧传热过程、热量的利用和储存过程、过热器、主蒸汽管道）的数学模型，结合调节系统的传递函数，选用按给定衰减指数设定PID参数的方法，找出PID参数与煤粉热值的关系式，最终达到在机组燃烧不同热值的煤粉时可依据该方法设定不同的PID参数、并都能投自动的目的，从而有利于提高机组的稳定性，并可节约煤粉。
With regard to the impact of transfer delay on multimedia digital service in computer network, this paper proposes a flow control scheme, a self-adaptive proportional-plus-derivative flow controller, and analyzes the stability and feasibility.
针对计算机网络中多媒体数据业务传输存在时延的情况，设计了一种自校正比例微分流量控制器，并从理论上分析和证明了系统的稳定性和可行性。
Thirdly, fuzzy control method and PID method were used respectively to design temperature self-adjustment controller of carbon fiber concrete laminate beam, by the MATLAB simulation it is found that the PID method has higher speed but is more sensitive to the fluctuation of system parameter, it is suit to the regulating when the heat transfer coefficient fluctuates diminutively and the structure has little heat transfer with the environment; fuzzy control can be adapt to the parameter variety in a large scale, it is suit to the regulating when the heat transfer coefficient fluctuates greatly.
分别采用PID和模糊控制策略设计了温差自调节控制器，通过MATLAB仿真研究得出：PID方式具有更快的调节速度，但对系统参数变化较敏感，适合系统与外界对流交换较微弱，对流参数波动不大时的调节；模糊控制能够适应系统参数在较大范围内的变化，适合对流参数波动较大时的调节。
A memory control device for arbitrating memory access contention among bus masters while ensuring, regarding each bus master, the required transfer rate within the required time margin.
一种存储控制装置，用于对总线主控器之间存储器存取争用进行仲裁，同时，关于各总线主控器，在所要求的时间余量内保证所要求的传输速率。
Found that the constitution of the absorbent could affect the debinding efficiency greatly; for the liquid phase debinding temperature extent, the mechanism of the absorbent is capillary action, 100~200 screen mesh alumina powder had the best debinding efficiency at 130℃; for the gas phase debinding temperature extent, adding some active carbon to the absorbent could control the formation of the hyperoxide barrier lay, accelerate the mass transfer rate, also enhance the debinding efficiency; studied the relationship between the debinding efficiency and the shape of the green part and the solid load; furthermore, did trial study on the solvent debinding.
发现吸附剂的组成对脱脂效率有较大影响；在液相脱脂温度段，吸附剂的作用机制为毛细管作用，100~200目的氧化铝粉末在130℃时具有最高的脱脂效率；在气相脱脂阶段，在吸附剂中引入活性碳可以抑制不利于脱脂的过氧化物阻挡层的形成，加快气相在坯体中的传质速率，进而提高脱脂效率；研究了坯体形状尺寸和装载量等因素与脱脂效率的关系；还对溶剂脱脂进行了试探性研究。
This bus control system has centralized the information gathering and control of digital parameters and analog parameters inside each module, and the data transfer between the modules and control panel is completed through Ethernet, whereby a double bus control system is formed, controlling various modules'inner digital and analog volume of the drilling simulator centralized.
该总线控制系统将钻井模拟器各模块内部的数字量和模拟量集中采集和控制，模块与控制台之间通过以太网进行数据交换，这样就构成了双总线控制系统。
Article 20 Where Holding shareholders of a listed company or other practical controllers of a listed company transfer their practical control rights of the listed company, if they fail to repay their debts in full to the company; or if they fail to eliminate the guarantee which the company has provide for their debts; or if there exist other matters that damage the interests of the company, the board of directors of the listed company shall, for the company, employ an audit institution, which shall make special rectification and examination of the relevant matters and produce a report on the rectification and examination, and demand the holding shareholders of the listed company or other practical controllers of the listed company offer feasible resolutions.
第二十条上市公司控股股东和其他实际控制人在转让其对一个上市公司的实际控制权时，未清偿其对公司的负债，未解除公司为其负债提供的担保，或者存在其损害公司利益的其他情形的，被收购公司董事会应当为公司聘请审计机构就有关事项进行专项核查并出具核查报告，要求该控股股东和其他实际控制人提出切实可行的解决方案，被收购公司董事会、独立董事应当就其解决方案是否切实可行分别发表意见。
The unsteady flow and heat transfer in pressure wave refrigerator is investigated numerically in the present paper. The Godunov scheme and control volume method are used to solve the 1D Euler integral equations and heat transfer equation respectively.
建立了振荡管内非定常流动与传热的数学模型，分别采用Godunov格式和控制容积法对气动方程及传热方程进行离散，得到了管内压力波形、气流速度及温度随时间的变化历程。
Products are: efficient, in effect, the early effect of air filters, ultra-clean workstations, 100 laminar flow hood, laminar Sampling car, the wind leaching room, clean transfer window, clean room for delivery outlet, to outlet, the control valve, muffler equipment, color plates and other products.
公司产品有：高效、中效、初效空气过滤器、超净工作台、百级层流罩、层流采样车、风淋室、洁净传递窗、洁净室专用送风口、回风口、调节阀、消声设备、彩钢板等产品。
After feedback control, the transfer function of loading system was changed and the dynamic performance was improved, the extra force in system output was limited to small range.
仿真结果表明，内部反馈在主从电液跟踪加载控制中能减小多余力的影响，系统特性的改善优于传统的前馈方法。
Methods Ten mature Wistar rats were divided into normal control group (5 rats) and adenovirus (E1, E3-Deleted and carried math1 and enhanced green fluorescent protein report gene, Ad-Math1-EGFP) scala vestibuli transfer group (5 rats). Right ears of the Ad-Math1-EGFP transfering group rats were deliveried 5μl Ad-Math1-EGFP (physical tite 2.1×10^11v. p./ml) into cochleas through the way of drilling scala vestibuli of cochlear basal turn. As a control, the normal group received nothing to inner ear. In order to estimate functional condition of vestibule and cochlea, the click-evoked potentials on the surface of the cervical dura mater, auditory brain stem response and swimming time were recorded in all rats at 7 days after treatment, and then histologic and morphologic observation were carried out after animals were sacrificed. Results All animals'morphologic observation showed that inner ear hair cells were normal after transfer.
将10只成年Wistar大鼠分为正常对照组和缺失E1、E3基因片段且构建有Math1基因和绿色荧光蛋白报告基因的复制缺陷型腺病毒(adenovirus-Math1-enhanced green fluorescence protein，Ad-Math1-EGFP)前庭阶导入组，每组5只，实验组大鼠在右耳通过耳蜗底回前庭阶打孔的方法导入物理滴度为2.1×10^11v.p/ml的上述腺病毒5μl，对照组大鼠不做任何处理。7天后对动物进行颈髓硬膜外短声诱发电位(click-evoked potentials on the surface of the cervical dura mater，CDM-CEP)、听性脑干反应阈值检测和游泳试验，评价前庭和耳蜗功能，然后将动物处死进行组织形态学观察。
The word-serial protocol with the message-based interface is implemented by EPLD and DSP. The GPIB functions are implemented by programming to the GPIB control chip. The transfer from VXI messages to GPIB functions is implemented by DSP.
通过EPLD和DSP实现了VXI总线的消息基接口字串行协议，通过DSP对GPIB控制芯片的编程实现了GPIB总线各功能子集，VXI消息到GPIB功能子集的转换也通过DSP实现。
Slip-ring, a kind of electrical and mechanical installations, is used for power transfer and information transmission among mechanical structure which has relative rotational movement. It is widely applied in these areas, such as, Gyroscopes, Potentiometers, Radio Astronomy Telescope, Gun Control System, Rotary Radar Antenna.
汇流环是在具有相对旋转运动的机构间进行动力和信息传递的机电装置，被广泛地应用在陀螺仪、电位器、射电天文望远镜、火炮控制系统、旋转雷达天线等领域。
The DAS has double CPUs. One CPU is used to transfer data from preamplifier to FIFO, using Direct Memory Access. And the other runs for delivering data to main control station by wireless network.
采用双CPU的系统的设计，一块负责用DMA的方式把CT数据从前置放大器传送到FIFO，另一块负责将FIFO中的数据通过无线网络传送到主控站进行进一步处理。
What's more, we present a recognition method which makes user of both an invalid file figure database and invalid words table to control the invalid file transfer in maze.
然后提 出禁用指纹库和禁用词表结合的禁用文件识别方法，控制 maze 网络中的禁用文件的传播。
The experiment had shown that data transfer, parameters setting and the control of low power-consumption had been carried out effectively and the performance of ASMP system had been improved.
实验证明在数据传输、参数设置以及低功耗控制方面取得良好效果，提高了系统工作性能。