space-time yield

Research on Space Distribution of Yield Characteristics in Upland Cotton

陆地棉产量性状的空间分布

It is also found that increasing the space velocity favor methanation reaction, inhibit water gas conversion reaction. There was not obviously effect on space-time yield of liquid hydrocarbons.

此外，增加空速有利于甲烷化反应，抑制了水气转化反应，对液态烃类产率影响不大。

Progress in suspended hydrogenation reactors and paked-bed hydrogenation reactors utilized in the hydrogen peroxide production by anthraquinone process to improve space-time yield and reaction selectivity is reviewed.

综述了近年来蒽醌法生产过氧化氢用悬浮氢化反应器和固定床氢化反应器的研究进展。

In this paper, the progress and achievements in space mutation breeding in the world were reviewed, and the planting technology suitable to new cultivars got by space mutation was analyzed and summarized in order to get higher yield, better trait and to develop agriculture persistently.

本文综述了国内有关航天育种及相关技术研究的成果，总结分析了温州市应用、推广航天育种新品种及配套栽培技术研究的成果，以期进一步促进温州市农作物增产，优化品质和农业可持续发展。

Factors for the effect of methanol synthesis catalyst on methanol space-time yield

影响甲醇合成催化剂时空收率的因素

The mass space-time yield of catalyst was increased by 40% for using the periodic packing mode due to the significant enhancement of gas-liquid mass transfer rates under the interested conditions.

催化剂与惰性颗粒的交替填充周期性地强化了气液相间传质速率，提高催化剂质量空时收率40%以上；

The model developed can be used to describe the change of methanol fractional conversion, space-time yield of hydrogen and the outlet temperature of bed at different operating conditions, such as raw material ratio, pressure, space velocity of liquid, wall temperature and inlet temperature.

考察了不同的原料液配比、系统压力、液空速、壁温及进口温度下甲醇的转化率、氢气的时空产率和床层出口温度的变化。

Laboratory test showed that the new catalyst features low anthraquinone degradation and higher space-time yield, with enhanced activity and selectivity.

实验室评价表明在该催化剂上反应的时空产率高，蒽醌降解少，与现行的工业催化剂相比，反应活性和选择性均有明显提高。

Formation of space distribution of yield in Soybean

大豆产量空间分布形成原因的探讨

Continuous alkaline fusion at medium-temperature exhibits high space-time yield and easy operation, and it is economic and practical and can be used in production of J-acid, S-acid, 2R-acid, K-acid and H-acid.

连续法中温碱熔具有经济实用、空时收率高、易于操作，适用于J酸、S酸、2R酸、K酸和H酸等的生产。

The main reasons were as follows: residence time of catalyst reduced with increasing space-time yield so that catalyst could not take full effect;

树脂灰分是催化剂的残留物，其增加的主要原因是：随空时收率的增加，催化剂在反应器内的停留时间缩短，使催化剂的活性不能充分发挥；

Latest improvements on suspended hydrogenation reactor are introduced. More attentions were paid to discussing the advantages of foam-bed three-phase reactor, which is a unique means to improve the space-time yield and reaction selectivity at the same time.

着重介绍了管式和鼓泡床悬浮氢化反应器的改进和泡沫固定床三相反应器用于蒽醌氢化过程可显著提高反应时空收率和选择性的优势。

Starting from the thermomechanics principles, a proper form of energy dissipation function in the process of soil deformation was introduced, from which the yield locus and flow rule in dissipative stress space were deduced.

从热力学定律出发，介绍了土体受力变形过程中能量耗散函数的合理表达形式，据此导出耗散应力空间中的屈服函数及流动法则。