异构的

The isomerization reaction of propylene oxide to produce allyl alcohol catalyzed by basic lithium phosphate was studied.

研究了环氧丙烷在碱性磷酸锂催化作用下异构化生成烯丙醇反应过程，考察催化剂的制备条件，异构化温度对催化性能的影响，以及催化反应机理和动力学特性。

The products are methyl vinyl ether (cis- and trans-), allyl alcohol and propen-2-ol.

计算得到的丙酮分子的5个异构化反应通道分别对应3种异构化产物，乙烯甲基醚、丙烯醇和1-丙烯-2羟基。

The results were asfollows:When the ratio of HY zeolite to raw material was 2.5g/100mL and thereaction was heated to 140℃for 4h,the effect of isomerization of turpentinewas better, the conversion rate of pinene was 97.02%,and the selectivity ofcamphene was 42.88%.When the ratio of HZSM-5 zeolite to raw material was4.5g/100mL and the reaction was heated to 140℃for 4h,the effect ofisomerization of turpentine was better, the conversion rate of pinene was86.24%,and the selectivity of camphene was 46.95%.

结(来源：A45BC论ba文网www.abclunwen.com)果表明：HY型沸石分子筛催化，当其用量为2.5g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达97.02％，莰烯选择性为42.88％；而HZSM-5型沸石分子筛催化，当其用量为4.5 g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达86.24％，莰烯选择性为46.95％。

The results showed that the shape selective effect of the faujasite is obvious, and the thermodynamic balance exists between 2,6 DTBN and 2,7 DTBN.

结果表明，八面沸石对该反应过程有较好的择形催化作用，两种异构化产物(2 ，6 二叔丁基萘和 2 ，7 二叔丁基萘)之间存在着热力学平衡，即两种异构化产物可在酸性中心位上相互转化。

L-arabinose isomerase can isomerize L-arabinose and D-galactose into L-ribulose and D-tagatose, respectively, which is currently the most effective biological catalyst for D-tagatose production.

L-阿拉伯糖异构酶能分别催化L-阿拉伯糖和D-半乳糖异构为L-核酮糖和D-塔格糖，它是目前生物法生产新型功能性因子D-塔格糖最为有效的酶。

This paper investigates that the different composition of the headspace gas and polluted sediment slurries can affect the ratios of degradation on benzoic acid, toluic acid and phthalic acid isomers. We found that a sediment slurry which has been polluted can develop a stronger microbial degradation.

此篇文章主要是探讨不同上层气体之组成和被污染过之底泥可影响苯甲酸、甲基苯甲酸异构物及苯二酸异构物被分解的速率，我们发现被污染过之底泥可发展出较强之微生物降解力。

To obtain thermostable xylose isomerase, the gene xylA from an extremely thermophilic bacterium,Thermus thermophilus HB8 was cloned and its product was overexpressed in Escherichia coli BL21(DE3) with expression vector pET22b.

为获得具有高热稳定性的木糖异构酶，运用基因工程技术，从嗜热栖热菌Thermus thermophilus HB8中克隆到嗜热木糖异构酶基因xylA。

In our results, we found four proteins have isoforms; these proteins are peptidyl-prolyl cis-trans isomerase A, prohibitin, enolase 1, myeloperoxidase precursor.

同时，我们发现肽基辅胺酸顺反异构酶（peptidyl-prolyl cis-trans isomerase A）、抑制素、烯醇酶（enolase 1）、过氧化骨髓酶有异构体的产生。

There is no actual ability of producing isomerized oil up to now, but the isomerization technology will become the most effective means of producing clean gasoline for our petroch...

目前我国异构化油尚未真正形成生产能力，异构化技术今后将成为我国石化企业生产清洁汽油的最有效手段之一。

There is no actual ability of producing isomerized oil up to now, but the isomerization technology will become the most effective means of producing clean gasoline for our petrochemical enterprise.

目前我国异构化油尚未真正形成生产能力，异构化技术今后将成为我国石化企业生产清洁汽油的最有效手段之一。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。