Therefore, the authors consider that segregation of P and Si at grain boundaries is one of the important reasons for IGC of non-sensitized 316L SS in the urea medium.
故认为磷（硅）的晶界富集是固溶态316L不锈钢在尿素生产介质中产生晶间腐蚀的重要原因之一。
Meanwhile, the resin of urea and formaldehyde is used for medium-density overlay (MDO), a combination of concrete and plywood, used in concrete moulds.
同时，尿素甲醛的树脂用于制造中密度板(MDO)，这是一种混凝土和夹板的组合体，通常用于混凝土模具中。
Additionally the microorganisms must be supplied in the growth medium with nitrogen-containing compounds such as ammonium sulfate, ammonia, or urea, as well as with inorganic phosphates.
另外必须提供的微生物在与含氮如硫酸铵，氨水或尿素化合物生长介质，以及与无机磷酸盐。
A description is given of the use of the fluid bed cooling and dedusting technology for the first time in the product urea dust collection in medium nitrogenous fertilizer plants.
介绍了流化床冷却除尘技术首次应用于中氮肥厂成品尿素除尘的情况。
Microcapsules of pendimethalin with a urea-formaldehyde resin wall were prepared by an in-situ condensation polymerization reaction in aqueous medium.
研究了分散、乳化条件及成囊工艺对以脲醛树脂为壁材制备二甲戊乐灵微胶囊状态的影响。
Methods Compounded one kind of trisaccharide iron urea indol culture medium and the trisaccharide iron AGAR has carried on the contrast experiment with the national standard method in voluntarily.
方法自行配制了一种三糖铁尿素靛基质培养基，并与国家标准方法中三糖铁琼脂进行了对比试验。
CTAB method, low pH medium with high salt method (LPHS), and urea method were used and improved to extract high-quality DNA from Lauraceae plant Cinnamomum cassia Presl. , C. zeylanicum and C.
为了从富含次生代谢物的樟科植物肉桂、锡兰肉桂、阴香中获得高质量DNA ，研究和改进了CTAB法、高盐低pH法和尿素法。
CTAB method, low pH medium with high salt method (LPHS), and urea method were used and improved to extract high-quality DNA from Lauraceae plant Cinnamomum cassia Presl. , C. zeylanicum and C.
为了从富含次生代谢物的樟科植物肉桂、锡兰肉桂、阴香中获得高质量DNA ，研究和改进了CTAB法、高盐低pH法和尿素法。
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