脱氧

JHO-2 catalyst can be used in purification and deoxygenation of concentrated carbon monoxide gas, and the deoxygenation and purification of syngas (CO+H2) in chemical industry as well.

JHO-2型催化剂可用于高浓度一氧化碳气体净化脱氧，同时，也可用于化工行业合成气（ CO+H2）脱氧净化。

Silicon-manganese and aluminium-manganese are used to deoxidize and alloying to substitule ferromanganese,ferrosilicon and aluminium in BOF,which can increase recovery rate of alloys,reduce cost,and improve steel quality.

对氧气顶吹转炉采用硅锰和铝锰替代硅铁、锰铁和铝锭进行脱氧合金化，可以提高合金回收率，降低炼钢成本，提高钢的质量，是较理想的脱氧合金。

Any of a group of small viruses that contain DNA in an icosahedral protein shell and cause disease in many vertebrates, especially mammals such as dogs and cattle.

小脱氧核糖核酸病毒一类在二十面体蛋白外壳中含有脱氧核糖核酸的小病毒中的任一种，在许多脊椎动物，尤其是狗和牛等哺乳动物中引起疾病

Eleven molecular tweezer artificial receptors based on deoxycholic acid have been synthesized by using solid K2CO3 as supporter through the reaction of methyl deoxycholate with aroyl chloride in solvent-free conditions under microwave irradiation, five of which are new compounds. The structures of all the molecular tweezers were characterized by 1H NMR, IR, MS spectra and elemental analysis.

在微波辐射无溶剂条件下，以固体K2CO3为载体，脱氧胆酸甲酯与芳酰氯反应合成了11个脱氧胆酸分子钳人工受体，其中5个为新化合物，所有化合物的结构均经1H NMR， IR， MS及元素分析所确证。

Their diasteroisomers were achieved because the group of alkoxy assaulted C_1 of 2-deoxyribofuranosyl chloride from different directions.

因烷氧基可从呋喃脱氧糖环的不同方向进攻1-位碳原子，因而所得到的烷基呋喃脱氧戊糖苷是一对非对映异构体。

However, the first one enzyme 1-deoxy-D-xylulose 5-phosphate synthase gene and the second one enzyme 1-deoxy-D-xylulose 5-phosphate reductoisomerase gene in MEP pathway had been reported and expressed in the latex of rubber tree, indicating that MEP pathway may be involved in rubber biosynthesis.4 - hydroxy -3 - methyl -2 -- butenyl -4 - phosphate reductaseis the last enzyme that catalytic 4 - hydroxy -3 - methyl -(2E)- butenyl -4 - phosphate to generate isopentenyl pyrophosphate.

然而已有报道MEP途径中第1个酶1-脱氧-D-木酮糖-5-磷酸合成酶（1-deoxy-D-xylulose 5-phosphate synthase，DXS）基因和第2个酶1-脱氧-D-木酮糖-5-磷酸还原酶（1-deoxy-D-xylulose 5-phosphate reductoisomerase ，DXR）基因在橡胶树胶乳中的表达，这表明MEP途径可能参与橡胶的生物合成。4-羟基-3-甲基-2--丁烯基-4-磷酸还原酶（4-hydroxy -3-methyl-2--butenyl-4-diphosphate reductase，HDR）是异戊烯基焦磷酸合成途径之一甲基赤藓糖磷酸（methylerythritol phosphate，MEP）途径中的最后一个酶，催化4-羟基-3-甲基-(2E)-丁烯基-4-磷酸生成异戊烯基焦磷酸。

The above indicated that EWDs found in Lumbricus Bimastus had special enzymological characters and were new DNases, which were different from DnaseⅠand DNase II their catalytic mechanisms and classification wait to be studied and sorted.

这些提示：蚯蚓组织中发现的脱氧核糖核酸酶EWDs具有特殊的酶学特征，不同于DNaseⅠ和DNaseⅡ，是种新型的脱氧核糖核酸酶，但其作用机理和分类有待于进一步的研究和归类。

After catheter insertion under transoral endoscopic guidance, animals were randomly assigned to one of the four groups: acid reflux (pepsin 0.3 mg/mL + taurodeoxycholic acid 0.155 mg/mL + acid pH 2); nonacid reflux (pepsin + taurodeoxycholic acid + pH 6); saline reflux; and unwounded control.

经口腔内镜引导下插入导管，并随机将兔子分组：酸返流组（胃蛋白酶0.3mg/ml＋牛磺脱氧胆酸0.155mg/ml＋酸pH＝2）；非酸返流组（胃蛋白酶＋牛磺脱氧胆酸＋pH＝6）；生理盐返流组；以及无损伤组。

This equipment widely used in diversified situations which needs high purity oxygenate water with high precision, good stability and strong reliability.

产品脱氧性能精度高、稳定性好、可靠性强，设备广泛应用于各种需要高纯度脱氧水的应用场合。

This thesis is constituted by four parts: In the first part a summarization is given on the main total synthetic methods of isoflavones, for example, deoxybenzoin method which generally involves two steps wherein a phenol is reacted in the presence of a Lewis acid with phenylacetic acid to generate an intermediate deoxybenzoin which is then cyclized with a one carbon electrophile.

本论文主要工作包括四部分：第一章综述了近年来全合成异黄酮的主要方法：脱氧安息香法，是以多羟基苯酚与苯乙酸或苯乙腈在Lewis酸存在下，反应生成中间体脱氧安息香，然后再与亲电碳试剂进行关环反应生成异黄酮。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。