"When urea is added to soils it is converted rapidly to ammonium carbonate by hydrolysis, a reaction which is activated by enzyme urease."

尿素施人土壤后很快水解成碳酸銨欧美a小视频在线观看。這是由尿素酶催化的一種化學反應。

METHOD: Reduction reaction, condensation reaction and cyclization reaction were studied by microwave irradiation.

對硝基還原反應日韩精品一区二区三免费视频、縮合反應亚洲人成人成在线播放、環(huán)合反應采用微波催化的方法進行。

The ammoximation of cyclohexanone with H2O2 and ammonia catalyzed by TS-1 is an environment-friendly process.

鈦硅-1（TS-1）分子篩催化的環(huán)己酮氨氧化反應是一個綠色過程欧美又肥又大又色性爱视频。

This decarboxylation is catalysed by the enzyme glutamic acid decarboxylase.

這個脫羧作用是由谷氨酸脫羧酶催化的日韩精品久久久久久久久久欠。

Predict the effect on the net reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase if phosphate were replaced by arsenate.

預言：如果磷酸鹽被砷酸鹽取代，會對3-磷酸甘油醛脫氫酶催化的總反應產(chǎn)生何種影響国产精品久久久亚洲一区？

The lipase-catalyzed hydrolysis of linseed oil in a solvent-free medium was studied.

研究了無溶劑體系中脂肪酶催化的亞麻油水解反應91亚洲国产。

Several kinds of ruthenium-catalyzed organic reactions were reviewed: hydrogenation ,oxidation,isomerization,metathesis.

綜述了釕催化劑催化的主要幾類有機合成反應，包括氫化91在线精品欧美观看、氧化尤物在线视精品在亚洲、異構化、復分解bbbxbbbxx。

While the conversion ofα-octene was 81.7%, and the yield of octane was 43.4% by single metal catalyst.

Pd單金屬催化劑CTS-ACR16Pd催化的α-辛烯轉化率81.7%日韩精品国语在线观看免费视频网站，正辛烷產(chǎn)率43.4%。

The development of recyclable process for organometallic catalysts by simple phase separation has been reviewed .

以可簡單分離回收在线免费AV播放、可反復使用為目標中日韩最新无码视频网站大全，詳細介紹了相轉移催化的變化發(fā)展過程。

Sythesis and application of chlorostyrene-DVB strongly acidic cation exchange resin ;2. For this study,a series of poly( p -amino styrenes) with various amounts of supported hydrogen chloride,and a series of strongly acidic cation exchange resin s with various exchange capacity were synthesized,and their catalytic property for ketalization of cyclohexanone and glycol were investigated.

通過測定固載了不同量的氯化氫的聚和不同交換量的強酸性陽離子交換樹脂催化的環(huán)己酮與乙二醇的縮酮化反應縮酮的收率欧美一级做一级A片视频大鸡巴破处，研究了聚合物固體酸催化劑的疏水性對其催化縮酮化反應性能的影響欧美18免进；發(fā)現(xiàn)在一定范圍內增加催化劑的疏水性，可提高縮酮化反應的收率插进去插快点视频。