precipitant 中文意思是什麼

precipitant 解釋
adj. 形容詞 1. 很快落下的；陡斜地落下的；倒落的。
2. 急躁的；（病）急，（行動）突然的；（舉動）輕率的。
n. 名詞 【化學】沉澱劑，沉澱試藥。
adv. 動詞 副詞 -ly
  1. Take an examination of grinding is a lengthy process, in this process must the volition is sturdy, be precipitant ! forget very hard also so

    考研是一個漫長的過程，在這個過程中一定要意志堅定，勇往直前！所以也很難忘記！
  2. The relation in process, morphology and properties of material was studied. 1. in - situ precipitation method was developed to prepare chitosan rod by using chitosan membrane as template and naoh as precipitant

    本論文提出了用原位沉積法制備殼聚糖三維醫用材料，並對材料的成型工藝、聚集態結構及其與材料性能之間的關系作了初步的研究。
  3. It can be antifogging agent in harbors, dust collection agent of road surface, fire - proofing agent of fabrics, protective agent and fining agent of aluminum and magnesium metallurgy, precipitant for lake pigments, raw materials for de - ink of waste paper and calcium salt

    用作港口的消霧劑和路面集塵劑織物防火劑。用作鋁鎂冶金的保護劑精煉劑。生產色淀顏料的沉澱劑。
  4. With the domestic and foreign advanced oxidizing preconditioning ( it can remove ammonia and nitrogen organic material, humic acid, magnesium and hvm film ) separating technology, it separated solid precipitant from brine so as to obtain purified salt brine

    該工藝採用國內外先進的氧化預處理除氨氮有機物、腐植酸、鎂和hvm膜分離技術將反應生成的固體沉澱物從鹵水中分離出來，從而得到純凈的鹽鹵水。
  5. Proceed from the present situation of nanometer tio2 powder industry in our country, confront more problems in preparation of nanometer tio2. on the base of analyzing advantages and disadvantages of existing every methods, neutralization precipitation method is adopted, using self - prepare tioso4 solution as raw material, soda as precipitant to precipitate titanous hydroxide precipitation, then obtained anatase nanometer titanium dioxide after heat treatment

    從我國發展納米tio _ 2粉體產業的現狀出發，針對納米tio _ 2制備中現存的問題，我們在綜合分析對比了現有各種方法優缺點的基礎上，採用中和沉澱法，以自制的tioso _ 4為原料，碳酸鈉作沉澱劑沉澱出ti （ oh ） _ 4沉澱，經熱處理得到銳鈦型納米tio _ 2粉體。
  6. Moreover, the quenching concentration of eu is raised. on the basement of successful synthesis of two - components oxide, edta complexing sol - gel method was expanded and applied to effectively synthesis nanosized muti - components oxide, such as la1 - xsrx fe o3, lafe1 - xcuxo3, la1 - xsrx coo3, laco1 - xcuxo3 because edta can bind with most metallic elements of the periodic table, this technique become a versatile tool in the production and study of new nano materials of multi - component complex oxides. a economic and new process has been studied to synthesis la2o3 nanocrystalline, using nh4hco3 as precipitant

    河北大學理學博士學位論文對于單一組份的稀土氧化物，探索出一條更經濟、更方便的合成方法，即:用碳酸氫錢做稀土沉澱劑，成功地制備了納米l匆03 ，並對中間產物碳酸斕及其燒成的氧化斕分別進行了ir 、 tg一dta 、 sem 、 xrd分析研究，確定了碳酸憫的組成，氧化斕的物相、結構，並發現分散劑的種類對微觀形貌有一定的影響。
  7. Fe3o4 nano - particles, which can be dispersed in nano scale, were prepared by means of chemical co - precipitation method. such influencing factors as the type of precipitant, the feeding mode, the surfactants, the reaction temperature, the curing temperature were surveyed. some properties such as crystal structure, particle size, magnetic properties and iron content were characterized

    深入探討了沉澱劑的種類、加入方式、表面活性劑、反應溫度、熟化溫度等各種因素對產物的粒徑及磁性能的影響，對fe _ 3o _ 4納米粒子進行了晶體結構、粒徑、磁性能、鐵含量等性能的表徵。
  8. Studies showed that process and condition control had critical effect on the preparation of yig phase, and the proper conditions specialized as follows : using ammonia - ammonium nitrate ( nh3 - nh4no3 ) as precipitant, ph scope from 10 to 10. 5, using dissolving salt as law materials, dropping their mixed solution into precipitant, precipitation rate at 0. 8ml / min

    研究表明，共沉澱的過程和條件控制對yig的合成具有重要影響。實驗得出共沉澱的合適條件為：以nh _ 3 - nh _ 4no _ 3為緩沖溶液，控制ph范圍為10 . 0 ? 10 . 5 ，採用可溶性鹽為原料配製溶液，滴加到沉澱劑中的共沉澱方式，共沉澱速度為0 . 8ml min左右。
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