查询词典 drainage-tube

It is useful to reduce the occurance of acid mist by adding erosion retardant and surface activity into acid which has been used in some industries.in the developed province and city, the bureau for enviroment protection calls on all enterprises to process the heated zincification water and prohibit from drainage, all enterprises should process the rinsed waste water and plating-aid waste water,however it remains to be strengthened across the country for the process of three wastes come from heated zincification

在酸中添加缓蚀剂和表面活性剂可以减少酸雾的产生，已在一部分企业中得到应用。在发达省市，环保部门要求企业必须对热镀锌废水进行治理，不得外排，企业对漂洗废水、助镀废液均进行处理，但全国范围内对热镀锌的三废治理还需加强。

The prediction of acid rock drainage generation potential is of importance to prevent and control environmental pollution in mining areas.

酸性岩排水潜力预测研究对于预防、控制和治理金属矿山环境污染问题具有重要意义。

The results suggested that all ore rock samples have potential to generate acid. So effective measures are expected to be taken to prevent acid rock drainage generating.

研究结果表明，所有的矿石样品都具有产酸潜力，需要对矿石进行有效的防控，以阻止酸性岩排水的产生。

Effects of heavy metals on microbial biomass and activity in subtropical paddy soil contaminated by acid mine drainage .

等。 酸性矿山废水污染的水稻田土壤中重金属的微生物学效应。

A tropical rain forest ; an ever-green forest that exists in tropical regions where precipitation is heavy all the year round ; there are vines , parasitic plants and overgrowth , as well as aerophyte besides those tall trees , bushes and herbaceous plants ; mainly distributed in the Amazon drainage basin in south America , the Congo basin , Malaysia , etc .

名 热带气候终年湿润地区的常绿森林群落。这些雨林区由于常年气候湿润多雨，除高大的乔木、灌木、草本植物外，还有繁茂的藤本植物、寄生植物、附生植物等。主要分布在南美亚马孙河流域、非洲刚果盆地及亚洲的马来群岛等地。例句去热带雨林里探险，必须扎上绑带。

In the explore in water seepage mechanism of highway engineering, at the foundation of author's and other people's research, the author study the groundwater seepage and infiltration of rain and water with the groundwater dynamics, the rock mechanics ,the soil mechanics, the hydrologic geology, the engineering geology, the agrology. With the research result of the water seepage mechanism of highway, the author also study the principle design of waterproof, drainage and water environmental protection. The author's work is as follows:(1) The water circulation, the groundwater type and conversion, the equilibrium and circulation in soil water are introduced and studied; The seepage characteristics of rock and soil in response to stress are analyzed and studied.

作为在"公路工程地质环境中水渗流机制问题研究"中的探索研究，在本人科研和前人研究工作的基础上，以地下水动力学、岩土力学、水文地质学、工程地质学、土壤学为基础，研究公路工程建设对地下水渗流和雨水入渗的影响，以及公路防排水和水环境保护设计的原则方法，具体开展了如下研究工作：(1)首先对水循环、地下水类型及转化、土壤水平衡与循环进行了研究和介绍；分析研究了应力对岩土体渗流特性产生影响的机理。

Since investing the vessel air bladder water drainage and entering techncis in December of 1980, Mr.

乔昌林同志自1980年12月发明船舶气囊上下水工艺以来先后主持组建了多个气囊厂。

Qiao Changlin, the air bladder inventor and the patent owner enjoying the government special allowance, founder of vessel air bladder water-drainage and entering technics, and expert in Shandong Province. It is a professional enterprise registered in his name and combining research, development and production of port and vessel air bladder containers as a whole.

该厂由享受政府特殊津贴的气囊发明专利权人、船舶气囊上下水工艺创始人、山东省有重要贡献的工交专家───乔昌林先生，以自己的姓名注册登记的一家具有自主知识产权专利产品、产研一体，生产港、船用气囊容器产品的专业企业。

Mainly used in mine air pressure, drainage, shaft up with a straight seam welded steel pipe gas.

主要用于矿山压风、排水、轴放瓦斯用直缝焊接钢管。

Currently, in order to control gas and enhance CMM recovery, various methods are adopted in Jixi Coal Mining Area such as upper roadway CMM drainage of low-permeability coal seams, upper near-horizontal hole drilling, coal seam plus-angle hole drilling, and roof large-diameter horizontal hole drilling, with satisfactory drainage results.

目前矿区为治理瓦斯，加大煤层气抽采，采用低透气性煤层的高位巷道抽采、高位钻场近水平钻孔、煤层钻场仰角钻孔抽采、顶板大直径水平钻孔等抽采方法，取得了良好的抽采效果。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。