压缩气体

Gas source selection, according to Air Track needs to hate the characteristics of the compressed gas.

气源的选择，要恨据气垫导轨需要压缩气体的特点而定。

Supply it with compressed gas air track so that the slider float, so "no friction" campaign.

它供给气垫导轨压缩气体，使滑块浮起，做"无摩擦"运动。

City of Hubei province yellow stone loves make water of health hospital secrete small start surgical department from August 2007 up to now, ureter lens of applied Switzerland EMS and ureter of cure of baric and ballistic stone crusher are calculous, give after art nurse accordingly measure, the patient recovers entirely leave hospital, obtain satisfactory result. Will nurse now experience reports as follows.

输尿管镜下气压弹道碎石术是20世纪90年代初应用于临床的泌尿外科腔内碎石新技术，其机制是将压缩气体产生的能量驱动碎石机手柄内子弹体，子弹体脉冲式冲击结石而将结石击碎，是目前治疗输尿管中、下段结石的首选治疗方法[1]。

This is to be done only by qualified producers of compress ed gases.

这只能由有资格的压缩气体制造商来做。

There are three basic valves used in the compressed gas industry.

在压缩气体工业中有三种基本的阀门。

Container Manifolding: Manifolding a number of liquefied, compressed gas containers in parallel permits the user to achieve the required gaseous flow rate by withdrawing product from all containers simultaneously.

容器并联：把许多液化压缩气体容器并联在一起，通过同时从所有容器中提取产品，用户就可以得到要求的气体流速。

Container Manifolding: Manifolding a number of liquefied, compressed gas containers in parallel permits the user to achieve the required gaseous flow rate by withdraw ing product from all containers simultaneously.

容器并联：把许多液化压缩气体容器并联在一起，通过同时从所有容器中提取产品，用户就可以得到要求的气体流速。

A 550kV SF6 circuit breaker has been taken as an example, the gas blast flow in no-load breaking process has been simulated, the results show that the basic solution of Euler equation set derived is correct, which lays the foundation for developing the Boundary Element Method of numerical solution for the time-dependent compressible flow of fluid.

作为数值模拟实例，文中对550kV SF6断路器空载开断过程中吹弧气体流动规律进行了数值模拟，其结果证明文中导出的基本解是正确的，从而为进一步开发求解非定常可压缩气体流动的边界元数值计算法奠定了基础。

Article 30 Anyone who violates the present Provisions and does port operation of any explosive, compressed gas and liquefied gas, flammable liquid, flammable solid, pyrophoric articles or articles flammable in wet conditions without designating an area for operation, clarifying the person in charge or conducting closed management shall be punished by the administrative department for harbor according to the provisions of Article 85(1) of the Law on Safety in Production.

第三十条违反本规定，从事爆炸品、压缩气体和液化气体、易燃液体、易燃固体、自燃物品和遇湿易燃物品的港口作业，企业未划定作业区域，明确责任人并实行封闭式管理的，由港口行政管理部门按照《安全生产法》第八十五条第项规定处罚。

Article 21 In the case of port operation of any explosive, compressed gas and liquefied gas, flammable liquid, flammable solid, pyrophoric articles or articles flammable in wet conditions, the enterprise shall designate an area for operation, clarify the person in charge and conduct closed management.

第二十一条爆炸品、压缩气体和液化气体、易燃液体、易燃固体、自燃物品和遇湿易燃物品的港口作业，企业应当划定作业区域，明确责任人并实行封闭式管理。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。