By the continuous-feeding external-heating rotary kiln, the experimental studies on the gas yield characteristics, mass balance and net energy income of the polyethylene pyrolysis were performed.
在连续给料外热式回转窑试验台上，以聚乙烯为试验物料进行了热解产气特性、质量平衡以及能量净收益的试验研究。
The mass yield distribution was obtained with assumption of charge distribution.
根据电荷分布假设得到了靶余核的质量产额分布。
Per fruit mass was the most important factor about plot yield, and it has a significant negative correlation with per truss fruit number.
相关分析表明，单果质量是串番茄最重要的产量组成因子，单果质量与单花序果实数呈极显著的负相关关系。
By using distribution features of stresses, displacements, and yield zones in rock mass, the stability problem of anti inclined slope is discussed.
通过含有结构面的岩体的应力，位移以及屈服区的分布特点，讨论了反倾边坡的稳定性问题。
A mass of DMO in the transesterification course inhibited the disproportionation which has a small equilibrium constant. As a result, selectivity and yield of DPO were low.
酯交换反应中由于反应物dmo的大量存在阻碍了平衡常数较小的歧化反应的进行，使得dpo选择性和收率较低。
The results show that the retaining ratio of double bonds is 8.2%. The introduction of double bonds in polysilane brings forth much higher mass retaining ratio and better ceramic yield.
结果表明，产物中双键保留率为8.2%，双键的引入使聚硅烷获得了很高的质量保留率及较高的陶瓷产率。
Advantages of the invention include fabricating vertical structure LEDs suitable for mass production with high reliability and high yield.
本发明的优点包括制造适于大规模生产的高可靠性和高成品率的垂直结构的LED。
Total dry mass and yield of muskmelon in spring was larger than that of autumn.
春季植株的总生物量和经济产量大于秋季。
By means of the pressure loss in three kinds of bend configuration. it is found out that the short radius elbows appear to yield the lowest pressure loss in a wide range of mass over air ratio.
通过三类弯管形式压损试验，发现了短半径弯头在一个较大料气输送比范围内均产生最小压损；
The effect of temperature, vacuum, catalyst on the yield of DL la, the relationship between the temperature, time, catalyst content and average molar mass of PDLLA were discussed.
探讨了反应温度、真空度、催化剂对DLLA收率的影响，聚合温度、时间、催化剂用量与PDLLA平均摩尔质量的关系，对它们的结构进行了红外光谱测试。
Owing to water stress on corn, the grains per panicle, mass of 1000-grain and yield of corn was decreased in tasseling to filling stage;
抽穗至灌浆期胁迫影响制种玉米库容建立，籽粒小、千粒质量低； 持续或交替水分胁迫严重抑制叶龄进程，显著降低产量；
The resulting polymer's molar mass was still very high and polymer yield and monomer conversion increased a little when prolonging irradiation time to a degree at low power.
在较低的微波功率下适当延长辐照时间，聚合物分子量仍然维持在较高的水平，同时可使聚合物产率和单体转化率有所提高。
The egg mass rate, megalopa yield, growing rate and the survival rate of the young Chinese mitten crab are promoted significantly while proper ratio ground water is applied to the cultivation.
通过适量地下水在育苗中的使用，使蟹苗在抱卵率、大眼幼体产量、生长速度及成活率等技术指标上有明显提高，这对中华绒螯蟹育苗研究和指导养殖有重要意义。
The main causes of the dynamic disasters were identified as the yield of the 15 m security coal pillar, and the excavation in an "isolated island" coal mass.
判定15m保安煤柱的屈服和孤岛煤体的破坏是发生动力灾害的重要因素。
It is the fine cementation of microcracks so as to reduce or eliminate the stress concentration on their ends intensively. Thus, the limit yield of rock mass and its strength are both enhanced.
微细裂隙的良好胶结，使其端部应力集中被降低或消除，岩体屈服极限增大，强度提高。
The reaction conditions were studied and the structure was characterized by HNMR and mass spectra. The yield was 80%.
介绍了读物质的分离纯化方法，并用HNMR及质谱对其进行了结构表征。
The experimental results of SWE showed that extraction temperature, time and material mass were major factors affecting the extraction yield.
亚临界水提取沙姜精油的工艺研究表明，影响提取效果的因素主次顺序依次为：提取温度、提取时间、投料量。
The experimental results of USWE showed that extraction temperature, ultrasound power density, material mass and extraction time were major factors affecting the extraction yield.
超声强化亚临界水提取沙姜精油的工艺研究表明，影响提取效果的因素主次顺序依次为：提取温度、超声功率密度、投料量、提取时间。
The experimental results of USWE showed that extraction temperature, ultrasound power density, material mass and extraction time were major factors affecting the extraction yield.
超声强化亚临界水提取沙姜精油的工艺研究表明，影响提取效果的因素主次顺序依次为：提取温度、超声功率密度、投料量、提取时间。
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