您要查找的是不是：
- A system of Ce(SO4)2H2SO4 for determination of COD in natural water samples by reversed flow injection analysis is discussed. 研究了Ce（SO4）2?H2SO4体系反向流动注射分析法测定环境水中化学需氧量（COD）的试验条件。
- Strengthen absorption effect, obviously prevent reversed flow of pee, keep buttock dry and healthy and make baby feel happy. 加强吸收效果和防止尿尿回渗更显著，让宝宝屁股保持干爽健康，更愉快。
- Gas holdup and mass transfer of a reversed flow jet loop reactor in gas liquid solid three phase with non Newtonian fluids were examined experimentally. 在三相非牛顿型流体体系中，对下喷式环流反应器的气含率和传质特性进行了实验研究。
- Requirement: Valve must be tight against reverse flow. 要求:这种阀门对于回流必须密封紧密。
- Purpose: To test valve No. 1 for tightness against reverse flow. 目的:检测1号止回阀对于回流的密封性。
- Use a check valve to prevent reverse flow into the cylinder. 采用止回阀,防止回流入钢瓶。
- Purpose: To test check valve No. 2 for tightness against reverse flow. 目的:检测止回阀2号对于回流的密封性。
- Spring loaded for fast closure, eliminating reverse flow slam and water hammer. 负载弹簧用于快速关闭,消除逆流冲击和水锤。
- Bleeding due to qi reversed flow 血随气逆
- reversed flow injection analysis( r- FIA) 反相流动注射
- Reversed flow injection analysis 反相流动注射分析
- reversed flow type combustion chamber 逆流式燃烧室
- Precision machined tilting disc and seat for tight shutoff in reverse flow direction. 精密机加工的倾斜式阀瓣和阀座,适用于逆流的紧密关闭。
- Never reverse flow through a regulator or rely upon it to act as a check valve. It will not perform this function. 禁止通过调整器倒流或依靠它作为止回阀。它不允许执行这个功能。
- Series 774X Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system. 系列747双止回阀总成用于防止污水回流进入饮用水系统中。
- He reversed the coin and examined it carefully. 他把硬币倒过来，仔细检查。
- Requirements: Valve must be tight against reverse flow under all pressure differentials. 要求:在所有压差下,阀门对于回流必须是密封的。
- Husband and wife have reversed roles. 丈夫和妻子互换了责任。
- The court reversed its decision. 法庭撤销了原来的判决。
- For lesion at the distal region, this flap may be modified as a distal-based flap based on reverse flow. 其适应症为近位或中位指节部位之疤痕挛缩，较远位者则可改采逆流之远位皮瓣重建。
