the optimum operational range of the blower, the operational range of dissolved oxygen content in a biological reaction tank, and the minimum required value of dissolved oxygen content; and a control unit for controlling the blow amount of the blower according to both the optimum operational ...
百度试题 结果1 题目3. We could, therefore, reduce emissions by reducing the amount of energy that is consumed (consume). 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Since the 1960s the amount of fertiliser used by farmers has increased sixfold, and not all of that extra nitrogen ends up in their crops. Maize, in particular, is described by experts in the field as a “nitrogen-leaky” plant because it has shallow roots and takes up nitrogen for ...
While the commitment of MNOs to reduce the amount of energy used for running their networks is undisputed, this article presents the key challenges and conflicts that exist. Since the need for network capacity upgrades is nevertheless crucial, leading to a further increase in energy consumption, op...
A new set of R’s is here:Recycle,Reduce and Reuse.These three “Rs”,when used every day, can reduce the amount of waste going into landfills,reduce the litter polluting the land and water, conserve(节约,保存)energy and save you money. Recycling is one of the easies...
Means life and rest the amount of energy it is necessary to try to reduce, thus reducing carbon, particularly carbon dioxide emissions, reducing atmospheric pollution, slowing the ecological deterioration, primarily from the energy-saving solar terms and the recovery of three links to change the det...
limit the effectiveness = operate at half strength 所以答案是: C 40.Research into non-fossil-based fuels cannot be replaced by geo-engineering. E段, “no substitute for developing renewable energy, the only ‘permanent solution’.” non-fossil-based fuels = renewable energy, cannot be replaced...
keeping Earth's climate warm and habitable. Without this process, Earth could notsustainlife. However, the "man-made" greenhouse effect has now become a big problem. When people produce huge amounts of extra greenhouse gases by ...
题干关键词:change the direction(改变方向) 原文定位:D段倒数第2行:Re-routing Russian rivers to increase cold water flow to ice-forming area could also be used to slow down warming…(俄罗斯河流改道,以增加冷水流入冰区,也可用于减缓气候变暖)。
Angel says that his plan is 'no substitute for developing renewable energy: the only permanent solution'.And Dr Phil Rasch of the US-based Pacific Northwest National Laboratory is equally guarded about the role of geoengineering: "I thinkall of us agree that if we were to end geo-engineering...