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??ǰλ??:??վ??ҳ > ֪ʶ?Ŀ? > ??ҵ??Ѷ >

??ȩ????Ҫ?ɷ?

ʱ??:2018-08-23 12:29 ???: ??
      ??ȩ????ѧʽHCHO??CH₂O??ʽ??30.03???ֳ???ȩ????ɫ???壬??????Ĵ̼???ζ???????ۡ??ǵ??д̼????á?????????ܶ?1.067??????=1????Һ???ܶ?0.815g/cm³??-20?棩???۵?-92?棬?е?-19.5?档??????ˮ???Ҵ???ˮ??Һ??Ũ????߿ɴ?55%??ͨ????40%????????ȩˮ???׳Ƹ??????֣?formalin???????д̼???ζ????ɫҺ?塣
 
      ??ǿ??ԭ???ã??ر????ڼ?????Һ?С???ȼ?գ???????????γɱ?ը?Ի?????ը????7%-73%??????????Ż??¶?Լ300?档
      ??ȩ???ɼ״???????ͭ?Ƚ????߻?????????????Ƶã?Ҳ????????????????ֳ???????ũҩ???????????Ʒ?ȩ??֬????ȩ??֬??ά?ڡ???????Ʒ???????Ĵ???Ⱦ?ϵȵ?ԭ?ϡ?
       ??ҵƷ??ȩ??Һһ?㺬37%??ȩ??15%?״???????ۼ????е?101?档
 
       2017??10??27?գ???????????֯???ʰ?֢?о????????????°????嵥?????????ο?????ȩ??һ???°????嵥?С?
 
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       ̼ԭ????????sp²?ӻ?????γ?????σ????????һ???Ǻ????γ?һ??σ??????????????ͬһƽ???ϡ?̼ԭ?ӵ?һ??p?????????һ??p????˴??ص??????γ?һ??π??????????σ?????ɵ?ƽ?洹ֱ??????∠HCH=111.5°??∠HCO=121.8°????????̼?????120.3pm??̼??˫????110pm??ż????7.56×10⁻³ºC·m??
      ??ɫˮ??Һ?????壬?д̼?????ζ??????ˮ???Ҵ?????ͪ???л??ܼ?????????????ܡ?Һ???ڽ???ʱ?????׻??ǣ??ڵ???ʱ???γ????ۼ?ȩ??????????ʱ??һ???ּ?ȩ?ݳ???????????????ۼ?ȩ????ƷΪǿ??ԭ??????΢??????ʱ??ԭ?Ը?ǿ???ڿ??????ܻ????????ɼ??ᡣ
      ????????ܶ?1.081-1.085 g/mL??????=1????????ܶ?0.82g/mL??ˮ=1?????????ʣ?nD₂₀??1.3755-1.3775??????56?棨???壩??83?棨37%ˮ??Һ???ձ??????е?-19.5?棨???壩??98?棨37%ˮ??Һ?????۵?-92?棬??ȼ?¶?430?棬????ѹ13.33kPa??-57.3?棩????ը???޿?????7%-73%,V/V?? 
????-ˮ????ϵ??0.35???ٽ??¶?137.2~141.2?棬?ٽ?ѹ??6.784~6.637MPa????0.242mPa·s??-20?棩??
      ??????ˮ?????ѣ?ˮ??ҺŨ????߿ɴ?55%??????ˮ???Ҵ?????ͪ??????ܡ??ڿ????????𽥱?????Ϊ???ᣬ??ǿ??ԭ????????????????γɱ?ը?Ի????????𡢸?????????ȼ?ձ?ը????һ????Ʒ?У???????10%??12%?ļ״???Ϊ???Ƽ???????ᷢ???ۺϡ? 
pHֵ??2.8??4.0?????㣺60??

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      ????ȩ??ǿ??ԭ???ã??ر????ڼ???Һ?С???ȩ?????ܻ??????????Ϸ?Ӧ???ر????׷????ۺϷ?Ӧ??

 ??ȩ ?Ʊ?????  
 
       ??ȩ????;?㷺,???????ռ򵥡?ԭ?Ϲ?Ӧ????Ĵ??ڻ?????Ʒ???Ǽ״???????Ʒ???е????ɣ????????????2500??????ң?30%?? ?ҵļ״?????????????ȩ??????ȩ??һ??Ũ?Ƚϵ͵?ˮ??Һ???Ӿ??ýǶȿ??Dz????ڳ????????䣬????һ?㶼?????????г??????賧.??????ó??Ҳ???١???ҵ????Ҫ???ü״???????????Ȼ????????????  ??
1???״???????????600~700???£?ʹ?״?????????ˮͨ?????߻?????ͭ?????????????ȴ߻?????ֱ?????????ɼ?ȩ????ȩ??ˮ???յü?ȩ??Һ??
       ?ܷ?Ӧ?Ƿ??ȷ?Ӧ????50~60%?ļ?ȩ??ͨ????????Ӧ???ɣ??????ಿ????ͨ???ⷴӦ???ɡ???????Ϊһ????̼?Ͷ?????̼??????????????ᡣ?״?ת????80%???????Լ״???Ϊ85%~90%???÷????????죬???ʸߣ???????????????Ϊ???á? 
2????Ȼ????????????600-680???£?ʹ??Ȼ???Ϳ????Ļ????ͨ????????ȵ???????߻?????ֱ?????????ɼ?ȩ????ˮ???յü?ȩ??Һ??
3????????????????ϵ???úϳ?????ѹ???ϳɼ״??????Ķ?????Ϊԭ?ϣ??Խ?????????Ϊ?߻??????????ɡ?
4?????״???????300??ʱ????ͭ?????Ĵ߻?????ʹ?״??????????Ƶá???ȩ????????ˮ??????36%??40%????Ϊ??ȩ??Һ???????ۼ?ȩ??Һ????ȥ?????ʣ???????״???Ϊ?Լ???ȩ??Һ??
5???״????ⷨ???״?ֱ??????ɵõ???ˮ??ȩ??ͬʱ???????????ù????Ǽ??????????ļ?ȩ?Ʊ??????????չ?ؼ????ڹ??̴߻??????ܵ???ߡ?
6?????????ļ״??뾭??ϴ??Ŀ?????ˮ??????1??1.8??2.0??0.8??1.0?? ????ȣ???Ϻ󣬼?????115??120????з?Ӧ???????߻????????¿??Ʒ?Ӧ?¶? Ϊ600??650?棬ѹ??0.3??0.5MPa??
??Ӧ?????󣬽???Ӧ?Q????80??85?棬??ˮ???գ?Ȼ??????????δ??Ӧ?ļ״?????Һ???????ӽ?????֬?????????ü?ȩ??Һ??????????ۼ????????ϣ????ó?Ʒ??