1)precipitation[英][pr?,s?p?'te??n][美][pr?'s?p?'te??n]沉淀
1.The experimental research on the characteristics of flocculating precipitation of acid washing wastewater;酸性废水絮凝沉淀特性的试验研究
2.Effects of solution conditions on the precipitation of calcium phosphate for recovery;溶液条件对磷酸钙沉淀法回收磷的影响
3.Experimental study of influential factors in the process of struvite precipitation;鸟粪石沉淀过程中的影响因素实验研究
英文短句/例句
1.A sediment or precipitate that has settled out of a solution.沉淀溶液中不溶的、沉下的固体沉淀
2.Chemical Oxygen Demand--Settled [CODs]化学需氧量（沉淀）
3.sediment trap沉积阱, 沉淀物捕集器
4.An antigen that induces the production of a precipitin.沉淀素原促进沉淀素产生的抗原
5.To deposit(a metal)on a substrate by vacuum sublimation.使沉淀通过升华使（金属）等沉淀在底层
6.Effective measures to promote the efficiency of tube settler;改善斜管沉淀池沉淀效果的工程措施
7.Treating Waste Liquid of COD_(Cr) Test with Sedimentation-neutralization-coprecipitation Method沉淀-中和-共沉淀处理COD_(Cr)测定废液
8.The settling precipitates can also entrap colloids which it passes bringing them down.正在沉降的沉淀物也能夹带胶体使其沉淀。
9." Barium sulphate,precipitated for industrial use"GB/T2899-1996工业沉淀硫酸钡
10.chemically enhanced primary sedimentation process化学加强初级沉淀法
11.forming or depositing in layers.层的形成或沉淀过程。
12.guidance on sampling of bottom sediments底沉淀物的取样指南
13.Kahn flocculation test康恩梅毒絮状沉淀试验
14.diphtheria toxoid alum precipitated (diph-tox AP)明矾沉淀白喉类毒素
15.alum-precipitated tetanus toxoid(APTT)明矾沉淀破伤风类毒素
16.sluicing sediment for gold.冲洗沉淀物以获取黄金
17.the sediment that is left after the evaporation of seawater.蒸发海水剩下的沉淀物。
18.adequate settling tank storage capacity沉淀柜适当的存储容量
相关短句/例句
sedimentation[英][,sed?men'te??n][美]['s?d?m?n'te??n]沉淀
1.Pretreatment of wastewater from thiophanate methyl production by sedimentation-oxidation process;沉淀-氧化法预处理甲基硫菌灵生产废水的研究
2.Technology of sedimentation in separation of enzymes;酶的分离纯化过程中的沉淀分离技术
3.Treatment of wastewater from jeans production by hydrolytic acidification/biological contact oxidation/sedimentation;水解酸化/生物接触氧化/沉淀工艺处理牛仔衣染色废水
3)precipitate[英][pri'sipiteit][美][pr?'s?p?,tet]沉淀
1.Discrepant analysis of iron precipitate synthesized by two strains of different iron-oxidizing bacteria;两株不同铁氧化细菌合成的沉淀差异性分析
2.The precipitate in low-alcohol Maotai Liquor mainly include reversible white floc, black fine solids precipitation, and gray floc.低度茅台酒生产中产生的主要沉淀为:可逆性的白色絮状沉淀、黑色细颗粒沉淀和灰白色絮状沉淀。
3.after alcohol-degrading might produce the lost of gloss, turbidity and precipitate; the suspended substances produced in distillation and packing, the produc.低度白酒生产过程的技术难点主要是白酒降度产生失光、浑浊、沉淀,其主要原因是由于降度后棕榈酸乙酯、油酸乙酯和亚油酸乙酯等析出;蒸馏、包装等过程带入的悬浮物,生产用水、生产容器所含金属离子等为低度白酒产生沉淀的主要原因;还有低度白酒酒体在货架期的水解、酯化反应也会引起低度白酒产生失光、浑浊和沉淀。
4)deposition[英][,dep?'z??n][美]['d?p?'z???n]沉淀
1.Discussion on solving the problem of rice wine deposition;关于解决黄酒沉淀问题的探讨
2.The Deposition of Tea Beverages and Application of Technology of Clarification;茶饮料沉淀的成因与澄清技术的应用
3.Application of Flocculation and Deposition in Treatment of Refining Wastewater;浅谈混凝沉淀在炼油污水中的应用
5)sediment[英]['sed?m?nt][美]['s?d?m?nt]沉淀
1.The effect of the preparation conditions on size distribution of barium carbonate sediment particle;制备条件对碳酸钡沉淀粒度分布的影响
2.Dealing with sediment titration analysis according to Ringbom′sadditional reaction theory;用林帮的副反应思想处理沉淀滴定分析
3.Analysis of amino acid in soy sauce and its secondary sediment;酱油二次沉淀物氨基酸组分分析
6)deposit[英][d?'p?z?t][美][d?'pɑz?t]沉淀
1.Methods to eliminate muddy and deposit in vinegar;解决食醋混浊沉淀的探讨
2.While the well drainage stops,oxidization would speed up in the well,ferric compound would moves into the well structure and deposits inside it.在减压井停止排水时,氧化作用进一步加剧,高价铁化合物向井结构内运移和吸附沉淀,逐渐造成减压井的淤堵。
3.Some complex reagents can form dissoluble complex anions with aluminum cations during depositing of praseodymium -neodymium chloride with ammonium carbonate solution, and remain aluminum in the solution.在用碳酸铵沉淀氯化镨钕过程中,某些络合剂可与铝离子形成可溶性络合阴离子,使铝留在溶液中,用此法可降低碳酸镨钕中杂质铝的含量。
延伸阅读
沉淀沉淀precipitation从液相中产生一个可分离的固相的过程，或是从过饱和溶液中析出的难溶物质。沉淀作用表示一个新的凝结相的形成过程，或由于加入沉淀剂使某些离子成为难溶化合物而沉积的过程。产生沉淀的化学反应称为沉淀反应。物质的沉淀和溶解是一个平衡过程，通常用溶度积常数Ksp来判断难溶盐是沉淀还是溶解。溶度积常数是指在一定温度下，在难溶电解质的饱和溶液中，组成沉淀的各离子浓度的乘积为一常数。分析化学中经常利用这一关系，借加入同离子而使沉淀溶解度降低，使残留在溶液中的被测组分小到可以忽略的程度。沉淀可分为晶形沉淀和非晶形沉淀两大类型。硫酸钡是典型的晶形沉淀，Fe2O3·nH2O是典型的非晶形沉淀。晶形沉淀内部排列较规则，结构紧密，颗粒较大，易于沉降和过滤；非晶形沉淀颗粒很小，没有明显的晶格，排列杂乱，结构疏松，体积庞大，易吸附杂质，难以过滤，也难以洗干净。实验证明，沉淀类型和颗粒大小，既取决于物质的本性，又取决于沉淀的条件。在实际工作中，须根据不同的沉淀类型选择不同的沉淀条件，以获得合乎要求的沉淀。对晶形沉淀，要在热的稀溶液中，在搅拌下慢慢加入稀沉淀剂进行沉淀。沉淀以后，将沉淀与母液一起放置，使其“陈化”，以使不完整的晶粒转化变得较完整，小晶粒转化为大晶粒。而对非晶形沉淀，则在热的浓溶液中进行沉淀，同时加入大量电解质以加速沉淀微粒凝聚，防止形成胶体溶液。沉淀完毕，立即过滤，不必陈化。在经典的定性分析中，几乎一半以上的检出反应是沉淀反应。在定量分析中，它是重量法和沉淀滴定法的基础。沉淀反应也是常用的分离方法，既可将欲测组分分离出来，也可将其它共存的干扰组分沉淀除去。
