adj. 1.很快落下的；陡斜地落下的；倒落的。 2.急躁的；(病)急，(行动)突然的；(举动)轻率的。 n. 【化学】沉淀剂，沉淀试药。 adv. -ly
Example Sentences:
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 考研是一个漫长的过程，在这个过程中一定要意志坚定，勇往直前！所以也很难忘记！
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 本论文提出了用原位沉积法制备壳聚糖三维医用材料，并对材料的成型工艺、聚集态结构及其与材料性能之间的关系作了初步的研究。
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 用作港口的消雾剂和路面集尘剂织物防火剂。用作铝镁冶金的保护剂精炼剂。生产色淀颜料的沉淀剂。
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 该工艺采用国内外先进的氧化预处理除氨氮有机物、腐植酸、镁和hvm膜分离技术将反应生成的固体沉淀物从卤水中分离出来，从而得到纯净的盐卤水。
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 从我国发展纳米tio _ 2粉体产业的现状出发，针对纳米tio _ 2制备中现存的问题，我们在综合分析对比了现有各种方法优缺点的基础上，采用中和沉淀法，以自制的tioso _ 4为原料，碳酸钠作沉淀剂沉淀出ti ( oh ) _ 4沉淀，经热处理得到锐钛型纳米tio _ 2粉体。
6.
Zno nano - particles was made from precursor zn ( ac ) 2 . 2h2o through the method of sol - gel . the parameters for achieving the optimum technological conditions in making zno nano - particles were obtained by carefully observing the precursor concentration , amount of solvent and precipitants , the temperature on each stages and the behavior of reactors 在制备过程中，研究了主盐浓度、溶剂用量、沉淀剂用量、反应各阶段的工艺温度，以及反应器等因素对实验结果的影响，得出了制备zno纳米微粒的最佳工艺参数。
7.
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 河北大学理学博士学位论文对于单一组份的稀土氧化物，探索出一条更经济、更方便的合成方法，即:用碳酸氢钱做稀土沉淀剂，成功地制备了纳米l匆03 ，并对中间产物碳酸斓及其烧成的氧化斓分别进行了ir 、 tg一dta 、 sem 、 xrd分析研究，确定了碳酸悯的组成，氧化斓的物相、结构，并发现分散剂的种类对微观形貌有一定的影响。
8.
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 深入探讨了沉淀剂的种类、加入方式、表面活性剂、反应温度、熟化温度等各种因素对产物的粒径及磁性能的影响，对fe _ 3o _ 4纳米粒子进行了晶体结构、粒径、磁性能、铁含量等性能的表征。
9.
In this chapter , i have reviewed most of all perspectives on which previous works about the main issue in detailed , for few works concerned it have been published . the previous works can be divided into 5 categories : how mnes or fies to make the decision about total quantity of investment and financing funds and the structure of those funds from every channel ; the capital cost , capital structure , cooperate value of mnes ; how fluctuation of , or the institutes of exchange rate effect financing activity of mnes ; the govern structure , control power distribution between all precipitants in a fie ; lec research on the subject 第一章文献综述：因为国内尚少这类研究，故比较全面的综述国内外了现有成果中关于一国(地区)内外商投资融资的总量、构成及变动的研究；跨国公司内部的资本成本和资本结构(融资结构)及公司价值的研究；汇率波动对跨国公司的财务、融资行为的影响；外资企业的治理结构、所有权优势及控制权分布；第三世界国家及我国对跨国公司融资的研究。
10.
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，共沉淀的过程和条件控制对yig的合成具有重要影响。实验得出共沉淀的合适条件为：以nh _ 3 - nh _ 4no _ 3为缓冲溶液，控制ph范围为10 . 0 ? 10 . 5 ，采用可溶性盐为原料配制溶液，滴加到沉淀剂中的共沉淀方式，共沉淀速度为0 . 8ml min左右。
