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Cellulose acetates with different substitution degrees were synthesized with wood pulp as raw material and dodecylbenzenesulfonic acid as catalyst.

以木浆为纤维素原料、十二烷基苯磺酸为催化剂,制备了一系列不同取代度的纤维素醋酸酯。

Its salts and esters are acetates.

它的盐和酯是醋酸盐。

Non-plasticized cellulose acetates, in primary fo ...

初级形状的未塑化醋酸纤维素。

4TiO3 ceramics were prepared through a novel Sol-Gel process using the low cost carbonates as a substitute of acetates.

以低成本钡、锶的碳酸盐替代醋酸盐为原料,采用溶胶-凝胶法制备了Ba0.6Sr0.4TiO3超细粉体,成型后分别在1 300℃和1 330℃下烧结成瓷。

Li1.05Mn2O4 samples were synthesized from aqueous solutions of metal acetates containing citric acid as a chelating agent by a sol-gel method.

选用金属醋酸盐和柠檬酸配体,采用溶胶-凝胶法合成出锂离子电池正极材料Li1.05Mn2O4。

The results showed the optimal conditions of pectinase hydrolysis are amount of pectinase 0.127%,temperature 45.5 ℃,and time 3.3 h; The optimal technological parameters of alcoholic fermentation are amount of yeast 3%,temperature 28 ℃,and initial sugar content 16%; The optimal technological parameters of acetic fermentation are amount vinegar agarics 8%,temperature 32.5℃,...

以锦橙为原料研制锦橙果醋,并对锦橙果醋的酿造工艺参数等进行研究,研究结果表明,果胶酶水解的最佳条件为:加酶量0.127%、温度45.5℃、时间3.3h;酒精发酵的最优条件为:酵母接种量3%、温度28℃、初始糖度16%;醋酸发酵的最优条件为:醋母接种量8%、温度32.5℃、酒精度7%;澄清效果以壳聚糖添加量0.05%时为佳。

The results show that the spent catalyst has three fast agravic steps: dehydration, decomposition of zinc acetate, decomposition of organic resins and other complex organic compounds and reaction of ZnO with carbon.

研究结果表明:废触媒的热解分为干燥脱水,醋酸锌、有机树脂及复杂有机物分解,C与ZnO反应3个阶段。

The sugar composition of the membrane was carried out by hydrolyzing 5 mg of the membrane in sealed ampules by either 2 M HCl or trifluoroacetic acid at 100 °C for 5, 10, and 15 hr and then the dried hydrolysate was analyzed by thin layer chromatography as well as high performance liquid chromatography.

将此薄膜取5 mg分别加入2 M盐酸或三氟醋酸置入安培瓶并熔封,於100 ℃下作用5、10、15小时将醣类水解,再将水解之产物以薄层液相色层分析法与高效能液相色层分析仪分析。

METHODS:Flos chrysanthemi indici,Radix angelicas sinensis,Cortex moutan and Radix paeoniae rubra in the granules were identified by TLC,baicalin was determined by HPLC with nucleosil-C18 column(250 mm×4.6 mm,10 μm).

采用TLC鉴别其中野菊花、当归、牡丹皮、赤芍;采用高效液相色谱法,在Nucleosil-C18柱(250 mm×4.6 mm,10 μm)以上,以乙晴-1%醋酸(26∶74)为流动相,流速1.2 ml 。

The addition of Cd,Pb,and Zn in the form of acetate salts demonstrated a considerably greater biocidal effect on soil microbial biomass, because of higher solubility of acetate salts.

醋酸盐形式加入土壤中的Cd、Pb和Zn对土壤微生物生物量比氯化物有更大的毒性,可能与其较高的溶解度有关。

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