Qinghua-2 (QH-2) is a compound preparation traditional Chinese medicine.
清华2号(QH - 2)为中药复方制剂。
The QH type safety valves are composed of two spring loaded safety valves paralleling. There is only one inlet.
QH型切换阀是两个弹簧式安全阀并联，具有同一进口。
The modeling and scale-up of the QH-1 mini rings are discussed and the application of the packings are illustrated.
讨论了QH-1型扁环填料的数学模型和设计放大，并举例说明了这种填料的工业应用。
Pump selection, and sometimes need to consider the production process requirements, selection of different shapes QH characteristic curve.
选泵时，有时须考虑生产工艺要求，选用不同形状Q - H特性曲线。
It is shown from the comparison that the QH 1 mini ring has much better hydrodynamics and mass transfer characteristics than 16 pall ring.
并与16鲍尔环填料进行比较，结果表明，QH1具有优良的流体力学和传质特性。
Results The four toothpastes reduced the QH, SBI and AID(P<0.05), but there was no significant difference between in AL, PD and OD(P>0.05)among the groups.
结果四种牙膏均可使QH菌斑指数、出血指数和阿米巴感染度下降（P<0.05），而探诊深度、附着水平和牙松动度无统计学差异（P>0.05）。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
The main products are: JP Series winch irrigation system, the transfer of irrigation system, PYC series of vertical rocker-type nozzle, QZ, QH, QSZ, QSH series axis (mixed)-flow submersible pump.
主要产品有：JP系列绞盘式喷灌机、移管式喷灌机、PYC系列垂直摇臂式喷头、QZ、QH、QSZ、QSH型系列轴（混）流式潜水电泵。
应用推荐