To produce such a structure, the steel should be heated until special carbides dissolve in austenite and then cooled rapidly so as to preclude the usual precipitation of c 其中一个使用的方法加强钢在提供包括结构以包含被分散的碳化物沉淀物的hypoeutectoid纯铁。 要导致这样结构,钢应该是激昂,直到特别...
If a hole is torn in a cell's plasma membrane, the cell will die because A) it will not be able to maintain differences between the cytoplasm and extracellular fluid. B) germs are attracted toward cytoplasm leaking from a cell. C) i...
B.energy-saving buildings will become more popular in the future C.almost all people will move into the houses heated by large rocks D.energy engineers will devote themselves only to modern technology [实战演练练习十](05 全国卷Ⅲ E 篇) ...
What is the function of the otolith crystals of the utricle and saccule? As you move your head linearly, the otolith organs of the utricle and sacculewill influence the movement of the gelatinous material over top of the hair cells embedded within it. What is the Tectorial membrane made of...
Knifemakers looking for oils to use that are cheaper than those available commercially most commonly use canola from the grocery store. However, some will also use motor oil. I found a study on 1045 steel where they found canola to quench more rapidly than motor oil so I am going to stick...
True or false? For a substance to dissolve, new intermolecular forces must be formed between solute and solvent particles. Amorphous solids are formed by melting and then rapidly cooling a substance. (a) true (b) false True or false?...
More than 90 percent of the increase will occur in the poorest countries, and 90 percent of that growth in already bursting cities. Economic activity has multiplied to create a 13 trillion world economy, and this could grow five or ten-fold in the coming half-century. Industrial production ...
When a magnetic recording medium is used, the medium is rotated and accelerated rapidly from a stationary state, whereby a lift is given to a head slider and a magnetic head is lifted. When the power is switched off after the use, a motor driving the medium for rotation will stop, and...
Myotoxinsdamage skeletal muscle and cardiac tissue. Hemorrhagic toxins affect coagulation and may cause hypercoagulation or hypocoagulation, depending on the specific venom. Some venoms also cause hyperfibrinogenolysis and “dissolve” clots as they form. Metalloproteases induce local pain and tissue necr...
Fiberglass will not decompose. It is unaffected by weather, saltwater and most chemicals. This means that fiberglass will simply sit in a landfill when thrown away. Is fiberglass heavier than steel? A: Pound for pound,fiberglass is just as strong as its counterpart in steel. So what that mea...