您要查找的是不是：
- Marsh gas sewage irrigation 沼液灌溉
- QINGGUANG MARSH GAS SEALING MATERIAL FACTORY. 秦光沼气密封材料厂。
- Emphasis should be placed on support for projects of water-conserving irrigation,drinking water,production and use of marsh gas,hydroelectric power generation,rural road building,and grazing land fencing. 重点支持节水灌溉、人畜饮水、农村沼气、农村水电、乡村道路和草场围栏等设施建设。要在农业科研、技术推广、病虫害防治、信息咨询和农民培训等方面加强对农业的支持。
- Marsh gas has been supplied to the village instead of coal gas. 这个村子已经改用坑气来替代煤烧饭了。
- Effect of sewage irrigation on wheat growth and its activate oxygen metabolism. 污灌对小麦幼苗生长及活性氧代谢的影响
- Emphasis should be placed on support for projects of water-conserving irrigation, drinking water, production and use of marsh gas, hydroelectric power generation, rural road building, and grazing land fencing. 重点支持节水灌溉、人畜饮水、农村沼气、农村水电、乡村道路和草场围栏等设施建设。 要在农业科研、技术推广、病虫害防治、信息咨询和农民培训等方面加强对农业的支持。
- The principles and methods of regionalizing of sewage irrigation in China are theoretically studied and a scheme for regionalization is suggested. 本文以地理学的观点、方法,提出了污灌区划的原则和方法。
- Sewage irrigation is not only a low cost and low energy-consuming way in dealing with polluted water, but also an effective way for sustainable utilization of water resource. 利用污水进行污水回灌农田是一种低费用、低能耗的污水处理途径,也是保障水资源可持续利用的有效措施之一。
- The effect and cost were calculated cursorily.That would decease marsh gas diffuse in air and have some advantage. 最终得出该沼气回收系统既减少了污水处理过程中沼气的二次污染，又增加了经济效益，值得推广。
- Shortage of water,pollution of tributary waters and incretion of sewage irrigation for farmland make the potentiality impact on environment and safety of agricultural products. 适当处理的城镇生活污水是一种稳定的水资源、在很大程度上缓解水资源的紧缺状况,利用污水资源的主要用途之一是灌溉农田。
- SW type desulfurizer is made from sintered dross of sulfurous ore and applied to removal of H_2S from marsh gas. 以硫酸烧渣制备SW型脱硫剂，并对其进行沼气脱硫的研究。
- Other types of biogas are called digester gas, marsh gas or even swamp gas, depending on the source of origin. 其他类型的沼气被称为沼气池气，沼气等，甚至沼泽气体，这取决于该产地来源。
- This “marsh gas” is then burned to produce electricity and to dry the remaining solids. 之后，燃烧这些“沼气”生产电能或烤干其余的固体。
- Blind sewage irrigation has caused the accumulation of poisonous and harmful substance in some regional soils and water sources,and environment has also been polluted in varying degrees,so that it has threated people health seriously in some region. 盲目的污水灌溉导致一些地区土壤、水源中有毒有害物质积累，环境受到不同程度的污染，在有些地区已经严重威胁了人类的健康。
- Fast-growing fuel woods should be developed in a planned way, while firewood-saving stoves, marsh gas and biogas from the stalks of crops should be widely promoted. 要有计划地种植速生薪炭林，大力推广节柴灶、沼气、秸杆气化等。
- The pipeline gas consists of methane (91.3%), ethane (5.1%) and propane (2.4%), while C2H6 and C3H8 do not exist naturally in marsh gas. 再加上气体样品中的二氧化碳随甲烷浓度增加而增加，此趋势与沼气特性相似。
- The factors of urban pollution are mainly amog (smoke and dust in air), fine sand flying up in air and secondary dust (ground dust), as well as dispersion of solid waste and sewage irrigation. 该市地处西北黄土高原西部,是黄河河谷盆地型城市,其城市污染代表了黄土高原干旱、半干旱条件下污染特征。
- However, due to the low temperature in winter, the rate of gas production in the marsh gas tank becomes lower, even the marsh gas tanks are frosted. 但我国北方冬季气温低，导致沼气池产气率低，甚至出现冻裂池体等现象。
- Fast-growing fuel woods should be developed in a planned way,while firewood-saving stoves,marsh gas and biogas from the stalks of crops should be widely promoted. 要有计划地种植速生薪炭林，大力推广节柴灶、沼气、秸杆气化等。
- The buoyancy force caused by temperature difference and the negative pressure formed when marsh gas ejecting from the eduction pipes enables micro-oxidant airflow to flow. 由温度差引起的浮升力和沼气喷出引出管的负压为微量氧化剂气流流动的推动力。
