查询词典 octadecanoic acid

Their friction and wear behaviors as additives in rapeseed oil were evaluated and compared with octadecanoic acid using a four-ball test machine.

以实验室合成的无臭硫化十八酸和硫化廿二酸作添加剂，在四球摩擦磨损试验机上考察了二者对菜籽油摩擦学性能的影响，并同十八酸进行了比较。

With intermediates 1,ω-hexadecanediol and ω-bromo pentadecanol as starting materials,ω-bromo hexadecanoic acid and ω-bromo octadecanoic acid were prepared in four and seven steps of reactions separately.

分别以1，ω-十五烷二酸和1，ω-十六烷二酸为原料，各经过四步有机反应，制备了ω-碘代十六烷酸及含十四、十五、十六碳原子的ω-溴代直链脂肪酸；再以中间产物15-溴代十五烷醇、1，ω-十六烷二醇为原料，各经过四步、七步有机反应，制备了ω-溴代十六烷酸及ω-溴代十八烷酸。

Octadecanoic acid, ester with 1,2,3-propanetriol

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The peaks intensity of Zr-MCM-41 mesoporous molecular sieves had a tendency to weak and the catalytic activities of them as catalysts in catalizing octadecanol to corresponding octadecanoic acid decreased with addition of zirconium ions.

水热环境下可加速反应物质的迁移运动，氨水缓慢释放OH-离子，促进了TEOS水解、缩聚反应及有机-无机组装过程更好地进行。

From Whitmania pigra 10 compounds were isolated and structurally elucidated based on the spectral data, 9 of them were the firstly isolated from this species. They are choles-4-ene-3-one, uracil, succinic acid, hypoxanthine,xanthine, octadecanoic and 2 polyhydroxy-saturated fatty acid.

五对宽体金线蛭的化学成分进行了提取、分离、鉴定，从中分得10个化合物，其中9个为首次从该动物中分得，包括1个为甾体化合物胆甾-4-烯-3-酮、2个多羟基脂肪酸、琥珀酸、尿嘧啶、黄嘌呤、次黄嘌呤、脲苷、十八碳酸等。

The process is carried out by rubbing into filament raw materials, digesting in plasticizing liquid of sodium hydrate and sodium silicate at 100-130degree for 1-2hrs to obtain plasticized raw material, high-speed agitating plasticized raw materials with non-metallic minerals, octadecanoic acid and silicon oil at 100-130degree for 15-45hrs, coating and drying to obtain the final product.

先用农用搓揉机直接搓揉成丝状物料，然后丝状物质在含氢氧化钠和硅酸钠的塑化液中于100～130℃下蒸煮1～2小时，得到塑化物料，最后将塑化物料同改性非金属矿粉、硬脂酸和硅油在100～130℃下高速搅拌15～45分钟进行包覆处理，干燥后便得到目标产物。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。