相对稳定性
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染色体C带在细胞周期和猪的不同生长时期具有相对稳定性;染色体C带大小与染色体长度无关;
The chromosome C-bands had relative stability in cell periods and different growth stages of pigs , its size and chromosome lengths had not relevance .
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一个估量碳正离子相对稳定性的新指标∑E(AB)~R
Suggesting a new index e_ ( ab ) ~ r for estimating the relative stability of carbonium ions
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富勒烯C(36)等电子体C(34)BN异构体的结构及其相对稳定性理论研究
Theoretical Studies on Structures and Stabilities of C_ 34 BN Isomers
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交通流分布的Markov链相对稳定性
The Markov chain stability in the relative distribution of traffic flow
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研究还表明,盐逆境下无花果(尤其是耐盐性较弱的品种)叶片POD的相对稳定性不仅比SOD高,而且其活性变化对脂质过氧化作用的影响亦可能比SOD大。
The study also indicated that POD relative activity was higher than SOD in fig leaves under sat stress .
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因为它的结构和相对稳定性,甚至在与酸、碱、汽油、石油或者漂白剂混和的情况下,DNA鉴定还是可以进行。
Because of its structure and relative stability , DNA can be tested even after mixture with acids , bases , gasoline , oil , or bleach .
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延迟丙二醛(MDA)含量的增加,维持花瓣膜结构的相对稳定性。
Inhibit a marked increase in malondialdehyde ( MDA ), keep the stability of plasma membrane permeability of cut lily flowers .
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热力学研究表明,不同晶相纳米TiO2的相对稳定性与晶粒粒径的大小有关。
Thermodynamics research indicated that the relative stability of the nanocrystals with different crystal phase is related to their grain size .
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采用量子化学中的密度泛函理论结合平板周期模型方法,研究了苯在Ag(100)面上的吸附方式和相对稳定性。
The adsorption of benzene on Ag ( 100 ) surface was studied by use of the density functional theory and periodical slab model .
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项目完成百分比是多少时,累积cpi才显示出相对稳定性?
The cumulative CPI has been shown to be relatively stable after what percentage of project completion ?
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结合某大坝GPS变形监测网的3期观测数据,对GPS变形监测网拟稳点的相对稳定性进行了聚类分析。
With the data of three observation periods from the GPS deformation monitoring network of a dam , the clustering analysis is conducted on the relative stability of quasi-stable points of the network .
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利用HMO法和PMO法比较苯与已三烯的相对稳定性
Comparing the Relative Stability of Benzene with that of Hexatriene by Using the Methods of HMO and PMO
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首先讨论了具有不同叠加方式ZnO双层纳米结构的相对稳定性和电子结构性质,计算表明两个单层之间通过静电吸引和偶极矩相互作用耦合在一起。
First we investigate the relative stabilities and electronic structures of various stacking configurations for ZnO bilayer , which reveals that only the electrostatic attraction and the dipole moment interaction exist between the two single ZnO layers .
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此外,利用碰撞诱导解离(CID)技术对过渡金属络合物的结构和相对稳定性进行了研究。
In addition , collision-induced dissociation ( CID ) was employed to study these complexes structures and evaluate the relative stabilities of these complexes .
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说明了PID控制器是过程工业控制中应用最广泛的控制策略,且幅值裕度和相位裕度作为频域分析时常用的性能指标,可用于衡量系统的稳定性及相对稳定性。
PID control algorithm is widely used in industry process control . As the performance index of control system in frequency analysis , gain margins and phase margins can he used to represent the stability and relative stability of the control system .
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继代培养和离体保存1a后愈伤组织的倍性组成保持了相对稳定性,这是由于多倍体变异细胞在不断产生的同时也通过程序性死亡途径不断被淘汰。
However , the relative genetic stability of chromosome ploidy was maintained during subculture and in vitro conservation , which resulted from the disappearing of variant cells by programmed cell death .
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而且,NBO的立体和超共轭分析表明立体交换排斥能和超共轭作用对这些分子的相对稳定性起了重要作用。
Furthermore , the NBO calculation implies that relative stabilities of all 15 con - formers can be attributed to the steric and hyperconjugation effects .
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此外,通过NBO方法分析了分子的超共轭作用和立体排斥能对异构体稳定性的影响,结果表明超共轭作用是影响各异构体构型相对稳定性的主要因素。
In addition , NBO analysis shows that it is hyperconjugation rather than repulsive forces that plays a key role in the relative stabilities of isomers .
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衡量坝系是否实现了相对稳定性,必须同时满足以下4个条件:一是每km2的坝控面积范围内应有坝地7.8hm2,坝地面积与坝控面积的比值,即坝系相对稳定系数达到1/12.7;
Judging whether or not dam system has brought about relative stability must satisfy with the concourse of four conditions . There should be 7.8 ? hm ~ 2 / km ~ 2 of silted land area .
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对咪唑-1-乙酸中性分子和两性离子分别在气相及水溶液中(采用SCRF模型)进行了从头算,探讨了溶剂和基组对体系几何结构和相对稳定性的影响。
Ab initio calculations have been performed for both the neutral form and zwitterion of imidazol1ylacetic acid in the gas phase and in aqueous solution ( using SCRF model ) .
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利用密度泛函理论(DFT)方法结合等键反应设计,在B3LYP/6-311G水平上对LLM-105及其类似物的生成热进行了计算,并结合分子的电子结构讨论了目标物的相对稳定性。
The heat of formation for LLM-105 and its analogues was calculated accurately by using density functional theory ( DFT ) and means of designed isodesmic reaction at B3LYP / 6-311G level . Combined with the electronic structure of these molecular , the relative stability of object compounds was discussed .
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对标题异构化体系,在Gaussian94程序的高水平MP4/6-311G**下,进行了全参数几何优化、能量、频率等计算,得到了它们电子结构的相对稳定性。
For the isomerous system in the title , using the high-level mp4 / 6-311G of Gaussian 94 we have optimized their structures with full parameters , also we have computed their energies and frequencies . Their relative stability is obtained on the basis of energies of their electron structures .
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大豆适宜密度条件下群体产量的相对稳定性分析
The relative stability of soybean community yield under given optimum densities
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风干水稻土氮矿化过程的相对稳定性
Relative stability of mineralization procedure of nitrogen in air-dried paddy soil
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液压调速系统相对稳定性综合分析
Synthetical Analysis on Relative Stability of Hydraulic Speed - Regulating System
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控制系统相对稳定性指标唯一性的探讨
A Discussion about the Only Index of Relative Stability of Control Systems
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新疆出生人口性别比变化的相对稳定性研究
A Research on the Relative Stability of Xinjiang 's Sexual Birth Rate
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具有相对稳定性的鲁棒飞行控制系统设计方法
Design Method of Robust Flight Control System with Relative Stability
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平均单蘖生产力随着龄级增加而下降.生殖蘖平均单蘖重具有相对稳定性。
The mean weight per tiller decreases with the age class increased .
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分析了各稳定构型的相对稳定性及成键特征。
The relative stability of all stable geometric structures has been analyzed .