压出

The junction technique of composite plastic pipe was researched, and the application of electrofusion welding in junction technique was discussed in detail.

对复合塑料管的连接技术进行了研究，尤其对连接技术中电熔熔接的应用做了详细的论述，提出了电熔熔接时恒压及动态过程控制的方法和控制的参数，推导出了电熔熔接电压的计算公式，有效解决了接头连接施工中存在的问题。

A nonlinear mathematical model is built for the attracting process of an electropneumatic valve of the low-thrust LRE with high-pressure chamber. When the input parameters are changed, the response characteristics of the valve during the attracting process is analyzed in detail.

对小推力高室压液体火箭发动机用的电动气阀的吸动过程建立了非线性数学模型并进行了响应特性的数值计算，详细分析了改变输入参数时电动气阀在吸动过程中所表现出的响应特性。

Visual interface of VCPC-1 vacuum counter-pressure casting intelligent control is employed by using Delphi language,which appears in the form of window,moreover,it realizes short range control of hypogynous machine and long-distance control of epigynous machine.

采用Delphi语言开发了VCPC-1真空差压铸造智能控制的可视化界面，界面以视窗形式弹出，实现了下位机的近程控制和上位机的远程控制；并生产了最小壁厚1mm以下的复杂薄壁铸件。

Experiment result demonstrates that its surface isn't oxidized by contrast with the stainless steel at 1 000 ℃. Under the single pulse high voltage, the film shows feeblish discharging characteristic after the bombardment of the high energy microparticles at hundreds times. This can increase the voltage holding capability and reduce the dynamic load of pulse power.

实验证明：在高达 10 0 0℃的温度下，相比不锈钢材料，薄膜表面几乎不被氧化；在单次脉冲高压作用下和在经受数百次高能微粒子轰击后，仍呈现出弱放电特征，既提高了耐压能力，又降低了脉冲电源的动态负载

Followingly, an interfacial acoustic pressure level at a certain point on the vibrating plate is found with this equation.

以脉动半球声源和固定圆板的一阶振型假设为基本物理模型，导出了不同频率下的振声转换公式，由此求出振动板上某一点处的界面声压级。

These four aspects are: the foreworn and frature of the wheel rim , tread foreworn bedded d ecrustation, regional crush and subside and early brittle fracture of the wheel rim .

为了有效地提高行走车轮的工作寿命，使其接近或达到设计周期，笔者从车轮损坏的形式、部位即轮缘磨损断裂、踏面磨损层状脱皮和局部压碎凹陷、轮缘早期脆性断裂四个方面进行了分析，找出了之所以产生磨损和断裂的原因，并提出了延长车轮工作寿命的对策。

GEMMY colorful artistic grounds (Lamination series, molded paper series, spray mold series and acid-coloring series)can create a variety of natural stone, bricks, wood effect in ordinary concrete surface with a beautiful natural, real and lasting color, texture durability and other characteristics.

真石丽彩色艺术地坪（压模系列、纸模系列、喷模系列及酸着色系列）能在普通混凝土表层创造出各种天然石材、砖材、木材效果，具有美观自然、色彩真实持久、质地坚固耐用等特点；琪石彩色生态透水地坪拥有15%至25%的孔隙，能使雨水直接渗入地下，有效地补充地下水，缓解城市热岛效应，能够保护城市自然水系不受破坏，具有很强的环保价值。

According to the consistent geothermometer and manometer of the assemblage of garnet-plagioclase-biotite-muscovite-quartz, the peak temperature and pressure are estimated as: T=580℃~670℃, P=0.4 GPa~0.5GPa.

据石榴石－斜长石－黑云母－白云母－石英组合内部一致地质温压计估算出峰期温度－压力：T=580℃~670℃，P=0.4GPa~0.5GPa。

Depending on high technology、abundant fund and great efforts from the whole staff , the company has developed 60 kinds of products including automatic oil-burning、hot air apparatus,automatic coal-fired warmer, fan ventiatim fans coil unit for workshop and animal corral,high density water course,roof windmill,CAD gyral windmill.

由于技术力量和资金雄厚，加上全体职工的奋发努力，建厂十年来已研制开发出全自动燃油热风机、全自动燃煤热风机、半自动燃煤加温机、温室、厂房用负压大风机、畜牧风机、高密度水帘、屋顶风机、环流风机，喇叭风机，离心式推拉风机等多种产品。

With a high-rise hotel building as an example, calculates the pressurization air supply rate to the elevator hoistway by two methods, makes the selection based on comparison and presents the control measures of positive pressure proof.

以某高层旅馆建筑为例，用两种方法分别计算了电梯井加压送风量，通过比较确定了加压送风量，并给出了防超压控制措施。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。