We may subdivide into:·Preservatives ·Antioxidants starches and thickening and gelling compounds, emulsifiers and stabilizers ·dyes ·flavorcomponents ··sweeteners ·proving or leavening compounds ·flour improvers ·anticoagulants ·Antifoam components ·gases.

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And HP PLOT-U columns The inertness of the porous polymer allows the elution of a range of apolar and polar compounds, especially the most active and polar compounds such as H〓O, H〓S eluted symmetrically. It has been stabilized to withstand temperature of up to 300℃.

與一般的商品化PLOT-Q和PLOT-U型PLOT色譜柱相比女人张开腿让男生桶视频免费，熱穩(wěn)定性和機(jī)械強(qiáng)度有明顯的改善和提高日本女色视频，色譜柱最高使用溫度分別提高了50℃和20℃（達(dá)到300℃和210℃）欧美三级A片视频。

Arsenical compounds can inhibit cell growth of leukemia cell at different intensity; this may be correlated with the valency of arsenic and molecular structure of arsenical compounds.

4不同砷劑對(duì)細(xì)胞作用強(qiáng)弱可能與其結(jié)構(gòu)價(jià)態(tài)有關(guān)。

Two compounds compounds (1 and (2) were isolated from Ascidian Styela clava collected near Qingdao.

從采自青島海域的柄海鞘 Styela clava中分離得到兩個(gè)化合物(1)和(2 )8x成年视频在线观看免费。

The formation situation of the band for transition metallic carbonyl cluster compounds is analysed with the bond valence formula for atomic cluster compounds.

本文運(yùn)用原子簇化合物鍵價(jià)計(jì)算公式狼友视频在线的，對(duì)過(guò)渡金屬羰基簇合物成鍵情況進(jìn)行了分析，利用金屬鍵軌道數(shù)精品丝袜国产在线精品不卡，價(jià)非鍵軌道數(shù)和金屬配體成鍵軌道數(shù)計(jì)算簇合物價(jià)軌道總數(shù)精品久久久久久亚洲综合网。

Based on the available crystal structures of MMPs, the structure-activity relationship of barbiturate compounds was discussed; and the reason for imidazole-based compounds'low activity was presented.

本文結(jié)合已有的晶體結(jié)構(gòu)，對(duì)巴比妥酸類作了初步的構(gòu)效關(guān)系探討精品国产一级毛片在线看，并對(duì)咪唑類化合物活性低的原因進(jìn)行了初步分析太香蕉免费75久久久网，對(duì)進(jìn)一步的結(jié)構(gòu)改造和合理設(shè)計(jì)具有一定的指導(dǎo)意義。

Based on the bioisosterism of malonate group with phosphate group, a series of barbiturate compounds and pyrazolidine-3, 5-dione compounds were designed and synthesized.

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A method for determination of basic nitrogen-containing compounds in mainstream smoke was established. In the condition of basic substance barium hydroxide powder and extractant chloroform, 18 basic nitrogen-containing compounds were analyzed by gas chromatography-selective ion monitored-mass spectrometry, such as pyridine, 2-methylpyridine, 2-methylpyrazine, quinoline and indole, etc.

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The result showed that aluminum compounds inhibited the methane-producing activity of anaerobic granular sludge significantly,but the microbe could be acclimated to the toxicity,and the activity could be resumed when aluminum compounds are e...

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Compounds and 6 compounds were identified by GC/MS from fruiting bodies and fermentation products of Boletus edulis, respectively.

通過(guò)GC/MS檢測(cè)獲知，美味牛肝菌子實(shí)體及其深層發(fā)酵液中分別有39種和6種組分日本网站中文字幕。