机械作用

Choice 36 carbon monoxide poisoning sufferer,application BIPAP breath machine assistance ventilate treatment,and with through nose pipe give oxygen treatment carry on comparison.

选择36例一氧化碳中毒患者，应用BIPAP呼吸机辅助通气治疗，并与经鼻导管给氧治疗者进行比较。结果：治疗组治疗后4h PaO2及。。目的：探讨采用经面罩正压机械通气给氧治疗急性重度一氧化碳中毒患者的作用。

Base on nonlinear electro-magneto-elastic soupled dynamic equations of the plate and the expression of electromagnetic forces, the vibration equations of the thin beam plate under uniform transverse magnetic field and mechanical loadings are obtained.

在给出薄板的非线性电磁弹性耦合运动基本方程及电磁力表达式的基础上，得到了横向稳恒磁场和机械载荷共同作用下梁式薄板的振动方程。

With the development of industry, The Mould holddown shapings technique more and more important in mechanical industy, electronics industry, spaceflight industry and production of daily necessities etc.

随着工业的发展，冲压成型技术在机械工业、电子工业、航天航空工业及日用品等的生产中的作用日益重要。

Load sensing valve of the English name for the SABS, which is a hydraulic mechanism, is the ABS anti-lock device of the primary version of car, its role is to ensure that the process of moving front and rear wheel load ratio and in the car when the rear emergency Resilient Seated Gate Valves brake without locking.

感载比例阀的英文名称为SABS，它只是一个液压机械装置，是ABS汽车防抱死装置的初级版，它的作用在于保证行驶过程中前后轮负荷的比例和在汽车紧急制动时后轮不致抱死。

Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction,bridge,dock, etc.

用液压打桩锤打桩，可以调整撞击应力波波形，减小应力峰值，延长有效作用时间，是一种比较理想的预制桩施工机械，目前在发达国家已被广泛使用，并形成了系列化。

DZP-250F/400F type multi-function fully automatic lower feeding film speed pillow-shaped packaging machine, which is mainly applied to the packaging of biscuit, betel nut, snowy ice-lolly, yolk pie, instant noodles, chocolate, candy, western snacks, tableware for aerial food, transparent soap, hotel articles, wet towel, gauze mask, IC card, cartoon card, electric components, trademark, little hardware etc. it has the function of anti-moisture, dustproof and photonegative, and also enhances the product level and additional value. It can save more than 20% cost than using the manual packaging, and it can combine the aluminum plastic packaging macnine and thermalcontraction packaging machine to manufacture.

详细说明：概述：DZP-250F/400F型全自动下走膜枕式包装机采用下走膜包装，主要适用于食品、日化、化妆品、五金、电子等行业的饼干、槟榔、雪饼、雪糕、蛋黄派、方便面、巧克力、糖果、西点、航空食品、一次性餐具、透明皂、宾馆用品、湿巾、口罩、IC卡、卡片、卡通卡、电器元件、商标、小五金等块状物品的包装，起到防潮、防尘、避光的作用，同时提高了产品档次和附加值，使用该机比手工制袋包装节约成本20%以上，而且可与铝塑包装机、热收缩包装机等机械联运生产。

DZP-250C/400C type multi-function fully automatic high speed pillow-shaped packaging machine, which is mainly applied to the packaging of biscuit, betel nut, snowy biscuit, snowy ice-lolly, yolk pie, instant noodles, chocolate, candy, western snacks, tableware for aerial food, transparent soap, hotel articles, wet tower, gauze mask, IC card, cartoon card, electric components, trademark, little hardware etc.

DZP-250 C型多功能全自动高速枕式包装机主要用于食品、日化、化妆品、五金、电子等行业的饼干、槟榔、雪饼、雪糕、蛋黄派、方便面、巧克力、卡片、卡通片、电器元件、商标、小五金等块状物品的包装，起到防潮、防尘、避光的作用，同时提高了产品档次和附加值，使用该机比手工制袋包装节约成本20%以上，而且可与铝塑包装机、热收缩包装机等机械联运生产。

The re- quired property of sealing material used in mechanical seals is discussed in this paper.

机械密封是一种依靠弹性元件对密封副预紧，在介质与弹性元件压力共同作用下使密封副压紧而达到密封的轴向端面密封装置，其结构见图1。

During wear process, not only chemical and mechanical change such as oxidating and breaking etc. take place in debris, but also metallurgical course such as adhesing especially hot press sintering at small areas in debris because of hot extruding.

磨损过程中磨屑不仅存在氧化、碎化等化学、机械过程，还存在因相互挤压、粘结甚至微区热压烧结等冶金过程，两方面的共同作用，使氧化物磨屑成分均匀化。

Results showed, some critical combinations of the pressure and fan extraction rate were found on controlling or extinguishing the fire.

结果表明，对于一定规模的火灾，存在水喷淋压力和风机风量的临界组合，来对水喷淋和机械排烟共同作用时的控火和灭火两种效果进行转换。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。