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- When assisted with D(+)gluconie acid d-lactone and with low COBE concentration (0.1g/100mL), 106 yeast can reduce COBE to CHBE with an enantiomer excess of more than 98%. 106 酵母以葡聚糖内酯为辅底物时;在较低的底物浓度0.;1g/100mL 时;R-构型产物的光学纯度可达98%25以上。
- determination of enantiomer excess 对映体含量测定
- The configuration and enantiomeric excess (e.e.) of the products were also e... 确定了产物绝对构型和对映体过量。
- What was the final titer (product concentration), yield, enantiomeric excess, selectivity, etc. of the process? 此程序的最终测定浓度(产物浓度)、产率、镜像异构物过剩值、选择性等为何?
- At room temperature, the catalyst 3b displayed the efficient reactivity and the enantiomeric excess (ee) value of the products was up to 96%. 在室温条件下;催化剂3b表现出较好的催化活性;产物的ee值最高可达96%25.
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
- Chiral catalysts have been classified according to narural compounds, both enanticoselec-tive reaction and enantiomeric excess were also presented. 以天然产物为前体对手性催化剂进行了分类，对每种手性催化剂列举了所催化的不对称反应及其对映选择性；
- EOB was reduced faster by the permeabilized cells than by the control cells. Both the yield and the enantiomeric excess of (S)-(+)-3-EHB were low when the cell concentration was less than 90 mg/ml. 细胞浓度对反应有明显影响;当透性化酵母细胞浓度<90mg/ml时;(S)(+)3EHB的产率和对映体过量值都较低;
- Keywords High performance liquid chromatography;Chiral tetrahedrane-type metal cluster;Enantiomer excess value; 关键词高效液相色谱;手性四面体金属簇合物;对映体过剩值;
- Keywords capillary gas chromatography;determination;stereomers of chrysanthemate;enantiomer excess ee%; 毛细管柱色谱法;菊酸;对映体超量;
- Keywords determination of enantiomer excess;binaphthol derivative;chiral shift reagent;asymmetric synthesis; 对映体含量测定;联萘酚衍生物;手性诱导试剂;不对称合成;
- The covering of forestry in our town is 60 percent. 我们镇的森林覆盖率是百分之六十。
- We give 10 percent discount for cash. 现金付款，我们九折优惠。
- Never spend in excess of your income. 花钱切不可超过自己的收入。
- Determiantion of Enantiomer Excess Value of Chiral Tetrahedrane-type Metal Cluster Using High Performance Liquid Chromatography 高效液相色谱法测定手性四面体金属簇合物对映体过量值
- Retail prices were scaled up by5 percent. 零售价格提高百分之五。
- The prices were scaled down10 percent. 价格按比例降低百分之十。
- Determination of Enantiomer Excess Value of Chiral Tetrahedrane-type Metal Cluster Using High Performance Liquid Chromatography Method 色谱法测定手性四面体金属簇合物对映体过量值
- Don't carry your anger to excess. 不要肝火过盛。
- He polled 54 percent of the votes. 他获得百分之五十四的选票。
