1) syndiotactic index
间规指数
1.
With the temperature going up from 30 ℃to 70 ℃, the syndiotactic index of polymer i.
发现使苯乙烯最有效均聚合的温度为 65℃ ,在研究的温度范围 ( 30℃～ 70℃ )内 ,随温度升高聚合物的间规指数增大 ,但分子量有所降低 ,提高苯乙烯的浓度有利于聚合反应的进行 ,以及 Ai/ Ti比会严重影响聚合结果。
2) isotactic index
等规指数
1.
The results showed that the isotactic index of products using this process can satisfy quality requirements perfectly, the cost of polypropylene is reduced obviously and good benefits are achieve
实施结果表明,采用最佳投用方案生产的各牌号产品等规指数完全满足产品质量要求范围,明显地降低了聚丙烯的生产成本,取得了良好经济效益。
2.
This paper introduced the technical measures for continuously improving quality of the speciality resin for biaxial oriented polypropylene film (BOPP), involving adjustments made in process route, isotactic index of the resin, recipes of the additives and molecular structure for reducing crystallinity of the polymer.
通过改变双向拉伸聚丙烯(BOPP)薄膜专用树脂的等规指数,调整工艺路线,改变分子结构降低聚合物结晶度,调整添加剂的配方等措施,使BOPP薄膜专用树脂质量不断提高。
3.
The factors affecting quality index of biaxial oriented polypropylene (BOPP) speciality resin (WH-T36F), such as isotactic index, melt flow index, and ash specification were analyzed, based on the last two years'production data of the plant.
根据装置近两年的生产情况,对影响双向拉伸聚丙烯(BOPP)专用树脂WH-T 36 F质量指标的因素(等规指数、熔体流动指数、灰分)进行了分析。
3) normal index
正规指数
1.
On the solvability of finite groups based on normal indexes;
有限群可解性的正规指数刻画
2.
On the normal index for finite groups Ⅰ
关于有限群的正规指数Ⅰ
3.
Using the concept of normal index,some necessary and sufficient conditions for a finite group G to be solvable,super-solvable,π-nilpotent and nilpotent are obtained and some of the known results are generalized.
利用极大子群的正规指数的概念得到有限群为可解、超可解、π-幂零、幂零等若干充要条件,并推广了多个已知结果。
4) exponential law
指数规律
1.
This paper is taking 1/e as standard model,discussing physical meaning and importance of 1/e in electromagnetism, putting an any space-time coordinate of the even change physical problem that according to exponential law attenuation is taken consideration instead of the uneven change physical problem, and by 1/e, it have revealed some essential characteristic in physical process.
以1/e作为标准,讨论1/e在电磁学中的重要性及其物理意义,把一个随时空坐标按指数规律衰减的非均匀变化的物理问题用一个等效均匀变化的时空坐标物理问题来表示,并由1/e揭示了某些物理过程的本质特征。
2.
Based on the basic idea of adaptive variable structure control (AVSC), this paper deduces the reaching condition of adaptive sliding-mode, and proposes three laws according to which the slope of a switching line change: linear law, power law and exponential law.
基于自适应变结构控制的基本思想,推导了自适应滑模的到达条件,并提出了切换线斜率变化的三种规律:线性规律、幂次规律和指数规律,设计了相应形式的切换函数。
3.
According to the particularity and complexity of middlerange airtoground missile s descending process,this paper provided a descending ballistic trajectory scheme based on the method which let the missile first descend quickly according to fixed obliquity,then turn to exponential law for smooth transition to cruise process.
针对中程空地导弹下滑段飞行的特殊性与复杂性,综合各方面的因素,设计了一种基于等弹道倾角转指数规律的下滑弹道方案,通过控制惯导垂直速度实现等倾角快速直线下滑,然后转指数规律曲线下滑平稳过渡到平飞段,数字仿真证明这种方法合理可行,能满足导弹战技指标的各项要求,且精度高,易实现,具有较高的实用价值。
5) exponential rule
指数规律
1.
Grey model is an exponential model,which has high precision to observation data series fiting in with exponential rule.
灰色模型是一种指数模型 ,它对于符合指数规律的观测数据序列具有较高的精确度。
6) scale index
规模指数
1.
This model not only shows the un-substitutability of innovation system s scale and development speed, but also reflects the un-substitutability of scale index and contribution index.
该模型从创新系统已有规模与发展速度两个方面考虑,反映了规模指数与贡献指数的相互不可替代性,计算结果既能反映系统的发展情况又能反映它对区域经济的支持程度。
补充资料：迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数
迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中，}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100，如某一地区的值越大，反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂，则: }艺材。一芝Mj、}EIM汀艺。+乏M，(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二，么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中，M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I，j为迁移偏好指数。通过计算迁移偏好指数，可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如，专业技术人员的人数所占比重，各种文化程度人数所占比重等，以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中，M为迁移人数;M，为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条