查询词典 deoxygenation

JHO-2 catalyst requires low reaction temperature, has high space velocity and high deoxygenation efficiency, and the residual oxygen in the carbon monoxide gas is lower than 1ppm.

JHO-2型催化剂具有反应温度低、空速大、脱氧效率高等特点，净化后一氧化碳气体中残氧量小于1PPM 。

These products generally contain much less oxygen comparing with the lignocellulosic crude material. As such, microbial bioconversion is chosen as our approach to achieve deoxygenation of lignocellulose at the expense of part of the biomass per se.

根据木质纤维素类生物质氧元素含量高的固有特点，我们认为生物质转化的化学本质是脱氧，进而选择以微生物生物转化技术为核心手段。

Hepatopulmonary syndrome is defined as the clinical triad of advanced liver disease, arterial deoxygenation and intrapulmonary vascular dilatation.

肝肺症候群临床上包含三项症候：1。

However, deoxygenation induced further reduction of these metal ions at high temperatures.

过渡金属在二氧化锆基质中的氧化还原特性与其d轨域之电子组态有关，过渡金属具有d5或d10电子组态者(如Mn2+， Fe3+， Cu+，及Zn2+)具有高稳定性能阻绝低温锻烧(~550 °C)时去氢氧化所引发的还原反应，然而高温引发的去氧化可提供更高的还原力，因此这类过渡金属在高温锻烧后(~950°C)将继续还原成低价的物种。

In this model of Tu Men River quality the functional structures of the deoxygenation coefficient k1, reaeration coefficient k2 and BOD sedimentation-resuspension coefficient k3 are established and tbe parameters determined by a regression technique to suit the characteristics of a river in the mountain area of North-Eastern China.

表达式中的参数通过系统识别与参数估计方法确定，因此能较好地反映河流的地理环境特点。特别是κ_3的表达式，它以流量为自变量，用一个单一的解析函数同时描述了江中的沉淀与再悬浮现象，具有独创性。

Using first order plug-flow reactor model, BOD5 removal rate constants of the whole wetland system were estimated to be 0.50 1/day (at 24℃) and 0.76 1/day (at 24℃) in the start-up and stable phase, respectively. These values were comparable to or even higher than the value of deoxygenation rate constant, 0.23 1/day (at 20℃), that is normally used in the river water-quality model.

由一阶柱塞流反应器模式(first order plug-flow reactor model)估算人工湿地系统启动阶段及稳定操作阶段的BOD5去除速率常数平均分别为0.50 1/day(24℃)及0.76 1/day(24℃)，相当於或甚至高於一般河川水质自净模式中的BOD5脱氧速率常数的0.232 1/day(20℃)。

The mass transfer coefficients were obtained for deoxygenation from water by nitrogen stream. Random packings were used with the variation in sizes, materials, shapes, surface properties together with some structured packings.

实验中以氮气气提水中溶氧为实验系统，比较液膜质传系数数值大小以得知质传效率的优劣，在填充物的部分则选用了13种不同尺寸大小、材质、形状、亲疏水表面及构造型态的填充物进行研究。

A strong and stable room temperature phosphorescence emission was observed from the ternary inclusion complex of α-bromonaphthalene/β-cyclodextrin/hexahydropyridine without deoxygenation from solution in the presence of micro amount of HHP.

微量六氢吡啶存在下，由于三元包络物α-溴代萘/β-环糊精/HHP的形成，不经除氧就可观察到强而稳定的室温磷光发射。

Chemical deoxygenation shows that the ternary systems including Zeph, Triton X-100, OP and SDBS exhibit no or a little phosphorescence enhancement upon addition of Na〓SO〓 to the solutions and the surfactants without phenyl group give rise to greater phosphorescence enhancement.

试验了乙醇、正丙醇和正丁醇对非离子表面活性剂参与三元体系光谱的影响。

Experiments on purification technologies for the conversion of cornstalk biomass into the industrial product were made to produce cornstalk gas in the down-flow fixed by the gasifier. The experiment focused on the technical procedures for deoxygenation. catalytic cracking of tar, hydrogenation, etc. Quality straw syngas was produced for methanol synthesis. The catalysis of methanol synthesis for the production of cornstalk syngas was earned out in a tubular-flow integral and isothermal reactor under the pressure of 5MPa over Cu-based catalyst C301 (particle size: 0.833mm×0.351mm), a catalyst made in China. Thirty-three sets of test data were obtained.

为了实现秸秆类生物质合成燃料甲醇的工业转化，有效利用生物质能，对下吸式固定床气化炉产生的低热值玉米秸秆燃气进行除氧、分解焦油和配氢等纯化试验，制备出合成甲醇的优质秸秆合成气，在直流流动等温积分反应器中，使用国产C301铜基催化剂，催化剂粒度为20~40目(0.833mm×0.351mm)，在5MPa反应压力下，对玉米秸秆合成气进行催化合成甲醇试验研究，获得33套试验数据。

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。