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 ...
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)。
For each data set, results are normalized to the amount of energy used to load the document in native mode. Fig. 5. Normalized energy used to load presentations size. Figure 3 shows the sizes of these documents, as well as the reductions achieved by distillation. As might be expected, ...
Recycling plastic reduces the amount of energy and resources (资源) needed to create plastic. Research shows that a bottle of water requires about 2,000 times as much energy to produce as the same amount of tap water. Recycling plastic products also keeps them out of land...
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 ...
coonony and reducing the preenhouse gas emissions required to get food from its origin to your plate. Buying fresh food means reducing packaging and energy used for processing. Eating organic meal and vegetables keeps farm chemicals off your plate, as well as out of rivers and streams.___ ,...
Our waste mapping reinforces the need to focus on reducing the amount of fresh raw materials used in chemical production. We are therefore paying close attention to the environmental impacts of chemical manufacturing, and more specifically, working on the eco-design of our medicine production process...
such as arsenate(V), chromate(VI), selenate and uranium(VI). In several prokaryotes, even the electron donor may be inorganic, which results in purely inorganic (lithotrophic) redox reactions for energy conservation under anoxic conditions; notable examples are the oxidation of sulfur species with...
Climate stabilization requires the mobilization of substantial investments in low- and zero-carbon technologies, especially in emerging and developing economies. However, access to stable and affordable finance varies dramatically across countries. Models used to evaluate the energy transition do not differen...
As we age, humans see natural decreases in muscle force and power which leads to a slower, less efficient gait. Improving mobility for both healthy individuals and those with muscle impairments/weakness has been a goal for exoskeleton designers for decad