Many species of alien marine organism were introduced to China by intentional introduction for their economic or social significances or by unconscious activities such as ballast water discharge.
外来海洋生物是基于某一物种所具有的经济或社会意义而从外地有目的地引进，或者由于无意识的活动如航运业中的船体附着以及压舱水的排放等而带入的。
This thesis gives a detailed introduction of a pithy formula, which applied to estimate discharge energy and discharge resistance of shunt capacitor, with the help of experience coefficient.
介绍了用经验公式估算无功并联电容器的放电能量和放电电阻的口诀。
An introduction is given to the factors that affect the intensity of slag discharge from the gasifier and the method for the calculation of the intensity of slag discharge.
介绍了影响煤气炉排渣强度的因素和计算排渣强度的方法。
A brief introduction of hypothesis of earthquake and volcano origins by underground avalanche and discharge is made.
简介了地震、火山地下雪崩放电成因说。
And the introduction of lead-acid battery charge and discharge control circuit.
并介绍了铅酸蓄电池的充放电控制电路。
The introduction of a new type preciptant for treatment of hydrolysis product lower the production cost and load of waste discharge.
引入了一种新型的沉析剂处理水解产物，降低了生产成本和排污负荷。
The introduction of a new type preciptant for treatment of hydrolysis product lower the production cost and load of waste discharge.
引入了一种新型的沉析剂处理水解产物，降低了生产成本和排污负荷。
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