流控制

Applications of supercritical fluid state technology in pollution control of pulp and paper industry, including development of friendly sulfur free and chorine free delignification , and waste treatment etc,were recounted in this paper.

介绍了超临界流态技术在制浆漂白和污泥处理研究中的应用，为开发制浆造纸超临界流态污染控制研究课题提供思路。

The low-dimensional Galerkin method is generalized to solve the flow around arbi-trarily translating circular cylinder.Active control problems of wakes behind circularcylinders are numerically investigated by only small number of modes.The in-line andtransverse oscillation of a circular cylinder with proper frequency produce Karman vor-tex street successfully in some subcritical regime,vhereas the transverse oscillation of acircular cylinder with 1.8 times the natural shedding frequency can effectively suppressthe Karman vortex street at a slightly supercritical Re.

将低维Galerkin方法推广至可以求解任意平移运动圆柱的绕流问题，用较少的模数值研究了圆柱尾迹的主动控制问题，在亚临界Re数下圆柱以适当的频率沿流向和横向振动均成功地激发出Karman涡街；而在略高于临界Re数下圆柱以1.8倍自然脱涡频率沿横向振动明显地抑制了Karman涡街；再现了超临界Re数横向及流向振动圆柱绕流的频率锁定等复杂非线性现象。

The main conclusions are as follows:The saturated-unsaturated seepage theory under rainfall condition and the governing equation of unsaturated seepage are introduced.

研究的主要内容有： 1 介绍了降雨条件下的饱和—非饱和渗流基本理论，介绍了非饱和渗流的控制方程，给出了降雨条件下的边界条件。

The support layer should be continuative and be provided with enough thickness and jerkwater seepage coefficient. The impact lies on the ratio of the seepage coefficient between wall and foundation. 6. Soil slaking deformation and its mechanism are analyzed, and its calculating method is discussed.

介绍了堤防渗透控制的主要内容、垂直防渗和水平防渗的措施；对堤防工程堤基的类型、堤防工程渗流的特点进行了分析，研究和探讨堤基渗透性能的各向异性和堤基表层的薄弱透水覆盖层厚度对渗流场的影响。

Comparing with the traditional media technology, Stream Media technology hasmore convenient and extensive foreground. The development of Steam Mediatechnology has great signality in China which can release the synchronizationeffect of tbe streams of audio and video problems caused by network transmissionand broadcasting controlment. At the same time, it also tries to improve theStream Media service quality of P_Qos based upon network without Qos.

与传统的媒体技术相比，流媒体技术具有更加方便和广泛的应用前景，它的发展在我国具有重要的现实意义，能够大大缓解因现有网络传输、播放控制等引起的音视频同步效果问题，力图能基于现有的无Qos网络提高流媒体的感知服务质量P_QoS。

By use of dynamic wave equation,the general slope flow equation is derived by matrix theory.

采用运动波方程，用矩阵理论推导出坡面流的一般方程，结合森林生态系统的功能，分析了坡面流的局部损失和总阻力，为研究森林控制非点源污染输移提供了理论依据。

A sidestream CO2 concentration measurement device using infrared method for medical is researched and developed in this paper. The module uses a detecter based on infrared absorption, and obtains gas sample from patient respiratory route through sidestream airway. A microprocessor is used to collect and process data, and to communicate with patient monitor, receiving commands, transmitting wavedata and parameters.

本文研制了一种医用旁流式红外吸收CO2浓度检测装置，利用红外吸收气体检测原理设计CO2浓度探头和信号放大电路，使用旁流式采样气路获取病人呼吸气体的样本，以32位微控制器为核心的信息处理系统负责对信号进行采集、处理，以及与主机通讯接受控制命令和传输波形数据和计算参数。

The solids mass flux in the riser is maintained by controlling the liquid flow rate through the eductor (which was precalibrated for solids flow rate as a function of motive water flow rate).

用喷射器(已把固体流速预标定为水流速函数)控制液流法来维持提升管中的固体物料流。

In addition, we found that the magnitude and direction of the electrokinetics of microchannels and nanochannels can be manipulated by using surface modifications or dynamic modifications.Based on the modification technique, stable enzymatic microreactors were established and the kinetics of enzymatic reactions in the microenvironments were studied.

提出了对微管道进行动态修饰、固定化修饰的方法控制电渗流性质，提高分离效率；将该技术应用于纳米通道体系，实现了对阵列纳米通道电渗流大小和方向的调控。

We established an effective method to forecast and optimize the control of power supply on the two-dimensional separations of microchip capillary electrophoresis, using the relationship of electroosmosis and electricity.

本课题利用电渗流与电流的关系建立了一套直接有效的对二维微流控分析芯片的电源控制方案进行预测和初步优化的方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。