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nitration n.【化學】硝化(作用)。 countercurrent...

nitre

In designing the deep bed , the empirical formula l / de = 800 is used as the basis . however , it has been proved that the formula cannot precisely describe the functional relationship and the correlation degree between the nitration behavior of the deep bed filtration process , the depth of the deep bed and the diameter of the sand granule , and it is restricted greatly in the practical application of finding a suitable depth of the deep bed 目前,濾池的設計通常采用經驗公式i d _ e = 800作為設計濾池厚度的依據,但實踐證明此經驗公式還不能準確地反應濾池過濾特性與濾池深度l 、濾料粒徑d的相關關系及相關程度,在實際應用中受到很大限制。

( 6 ) 4 , 6 - diamino - 5 - nitrobenzofuroxan is designed to synthesis from trichlorobenzene through nitration aminatiom azidation and thermal decomposition . this compound is a new explosive . but we only got the intermediates of the first and second steps ( nitration , amination ) because the limit of time ( 6 )從均三氯苯出發,設計經硝化、氨化、疊氮化和脫氮四步合成4 , 6 -二氨基- 5 -硝基苯并氧化呋咱,這是未見文獻報道的新化合物,不過由于時間關系,我們只得到氨化這一步的中間產物即3 , 5 -二氨基- 2 , 4 -二硝基氯苯,這也是個未見文獻報道的新化合物。

This paper discusses methods of synthesizing fomesafen technical having high active ingredient percentages , with special emphasis on the key processes of nitration and acylation , and with the goal of manufacturing low cost fomesafen technical with > 98 % purity 摘要討論了高含量氟磺胺草醚原藥的合成方法,對關鍵的硝化與酰化工藝進行了探討,使其在較低生產成本下合成98 %以上的氟磺胺草醚原藥。

Yongjia has a good command of the key technologies : chlorination , fluorination , bromination , nitration , ammoniation . etc . our manufacturer was also approved by many overseas big companies and had established friendly business relationships 在2004年年底,公司相繼在上海深圳北京蘇州等地設立了辦事處,公司的綜合規模和實力已經有了一個質的飛躍。

By using the catalyst , nitration of taiw in the system of dilute nitric acid can give hexanitrohexaazaisowurtzitane ( hniw ) with yield of over 95 % and purity over 99 % 在催化劑存在條件下,四乙酰基六氮雜異伍茲烷可在硝酸溶液中進行水解硝化,以95 %以上得率制得純度高于99 %的六硝基六氮雜異伍茲烷。

In this paper , the roles of iron in different pathways of protein nitration are introduced , and the results indicated that microelement iron in vivo plays an important role in protein nitration 本文介紹了鐵在不同酪氨酸硝化途徑中的作用,結果提示體內的微量鐵對蛋白質硝化起著重要作用。

With reference to an american patent , cl - 18 was synthesized from 3 , 5 - dinitrobenzoic acid through schmidt reaction , nitration , azidation and thermal decomposition 參照美國的專利文獻,以3 , 5 -二硝基苯甲酸為原料,經schmidt反應,硝化、疊氮化、脫氮四步反應合成出了cl - 18 。

The nitration and reduction of piperonal in different experiment conditions were investigated . thus , the high yield of medical intermediate 6 - aminopiperonal is obtained 以胡椒醛為原料,用不同的實驗條件探索胡椒醛的硝化和還原,從而得出產率高標題化合物的醫藥中間體

Material cylinder and screw are made with superior alloy steel , dealing with nitration and super - finish . then it will be have the good hardness and corrosion resistance 本機型擠出機的機筒螺桿均采用優質合金鋼,經氮化和精密加工。具有最佳的硬度和耐腐蝕性。

Protein nitration will induce the changes of protein catalytic activities , cell signaling and cell skeletal structure , and lead to relevant pathological events 蛋白質硝化將會直接影響蛋白質的催化活性、細胞信號傳遞和細胞骨架結構,導致相關病癥的發生發展。

They then measured the relative levels and patterns of nitration in the 29 “ candidate ” proteins and found significant increases in six of them 然后,她們檢測這29中“候選”蛋白質中硝化反應的相對強度和形式,結果表明6中蛋白質的硝化反應大大增加。

Our company is determined to become the expert on fine chemicals in the field of nitration under the care and instruction of friends at home and abroad 多年來,公司深得國內外同仁的關照、指導,并將成為中國硝化反應領域的精細化工尖兵。

The hydrolysis and nitration reaction of tetraacetylhexaazaisowurzitane ( taiw ) were studied under several nitration conditions 摘要研究了四乙酰基六氮雜異伍茲烷在稀硝酸催化劑介質中的水解硝化。

Following this lead , they decided to investigate the role of nitration in one disease , parkinson ' s , in more detail 隨著研究的深入,她們決定研究硝化反應在帕金森癥中的作用。

Testing of lubricants - determination of oxidation and nitration of used motor oils - infrared spectrometric method 潤滑劑試驗.使用過的發動機油的氧化和硝化作用的測定

Traditional one - protein - at - a - time methods had uncovered only half a dozen brain proteins susceptible to nitration 但是,該研究是蛋白質組學應用的最好例子。

Protein tyrosine nitration is a biomarker of no - dependent oxidative stress 摘要蛋白質酪氨酸硝化是一氧化氮依賴的氧化應激的生物標志。

Depth of nitration 滲氮深度

Protein tyrosine nitration is a biomarker of no - dependent oxidative stress 蛋白質酪氨酸硝化是一氧化氮依賴的氧化應激的生物標志。