無水甲胺 的英文怎麼說
中文拼音 [wúshuǐjiǎàn]
無水甲胺
英文
methylamine anhydrous- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 甲 : Ⅰ名詞1 (天乾的第一位) the first of the ten heavenly stems2 (爬行動物和節肢動物身上的硬殼) she...
- 胺 : 名詞[化學] amine (氨 nh3 分子中部分或全部氫原子被烴基取代而成的有機化合物)
- 無水 : [化學] anhydrous
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The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜;選用聚乙烯醇和聚酰胺為表面功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影響膜性能的諸多因素進行系統研究。Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared
文摘:綜述了無甲醛免燙整理方面的研究,分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足In the study, three drugs were gien to the olunteers : ssri ( serotonin specific reuptake inhibitor ) to raise serotonin leels ; nari ( noradrenaline reuptake inhibitor ) to raise noradrenaline leels ( another neurotransmitter important in depression, and also found in taste buds ) ; and an inactie placebo
在該項研究中,志願者服用的三種藥物是:提高5 -羥色胺水平的ssri (選擇性5 -羥色胺再攝取抑制劑) ,提高去甲腎上腺素(另外一種對抑鬱癥有重要作用的神經遞質,也存在於味蕾中)水平的nari (去甲腎上腺素再攝取抑制劑) ,以及無活性的安慰劑。Solubility soluble in hot water, acetone, 2 - j ketone, n, n - dimethy formamide, ethyl acetoacetate, cyclohexanoneit can recat with ethanol anhydrous
溶解性:溶於熱水及丙酮酮二甲基甲酰胺乙酸乙酯環乙酮溶於無水乙醇並發生反應Under the conditions of operation pressure about 0. 5mpa and feed temperature 25 c, the rejection performance of nacl feed solution ( 500ppm ), is about 35 %, while the flux is about 45ml cm - 2 h - 1. the pa membranes were prepared by interfacial polymerization, usingl, 3, 5 - benzenetricarbonyltrichlori2, 4 - dichloroterephthalaldehyd e, 1, 3 - phenylenediamine as monomers
研究結果表明, 5102 / a12o :無機復合超濾膜的研製原料正硅酸乙酷、乙醇、水、 n , n一二甲基甲酸胺( dcca )和hno3之間的配比、塗膜過程、熱處理溫度等直接影響著溶膠的質量和膜的性能。Polyclonal antibody to butachlor was prepared from rabbits immunized with butachlor - bsa conjugate, and a competitive elisa was developed for the detection of the butachlor a major component in a herbicide within the range of 110
Mg ml之間,且和化學結構相似的甲草胺和乙草胺無交叉反應。該方法也可用於檢測稻田水樣中丁草胺的含量。分享友人