查询词典 homogeneity

An amidase from a strain Bacillus cereus ZJB-07112 was purified to homogeneity by using sonication, anion-exchange chromatography, phenyl-sepharose chromatography.

用一株蜡状芽孢杆菌新菌株ZJB-07112 ( Bacillus cereus ZJB-07112)发酵生产酰胺酶，经超声波细胞破碎、High Q阴离子色谱、Phenyl-Sepharose疏水色谱等步骤获得了凝胶电泳均一的酰胺酶。

A amidase from a strain Bacillus cereus ZJB-07112 was purified to homogeneity by using of the sonication, anion-exchange chromatography, Pheny1-Sepharose chromatography.

用一株蜡状芽孢杆菌新菌株ZJB-07112 (Bacillus cereus ZJB-07112)发酵生产酰胺酶，经超声波细胞破碎、High Q阴离子层析、Phenyl-Sepharose疏水层析等步骤获得了凝胶电泳均一的酰胺酶。

These above problems, which are very important and valuable in agricultural crops area monitoring, are currently less researched. Hence, in this paper, seven types of common texture and five vegetation indices were respectively added into TM multispectral bands to classify using three different methods, which are Minimum Distance, Maximum Likelihood and Support Vector Machine, and analyze the effect on winter wheat identification accuracy by comparing the classification results. The contexture include Mean, Variance, Homogeneity, Contrast, Dissimilarity, Entropy, Variance, Angular Second Moment and Correlation, and the vegetation indices are RVI, SAVI, RDVI, NDWI and SLAVI.

为此，该文将平均值、方差、均一性、反差、相异性、熵、角二阶矩、灰度相关7种纹理信息以及比值植被指数、土壤调整植被指数、重归一化植被指数、植被液态水含量指数、有效叶面积植被指数5种植被指数信息分别加入到TM多光谱数据中，同时还进行了最佳波段选择，利用最小距离、最大似然和支持向量机3种方法进行分类提取小麦，研究了不同特征信息对小麦测量精度的影响。

The penetration experiment not only indicates a quantitative method to evaluate the homogeneity or anisotropism of a soil sample, but also supplies a completely new method for us to deeply understand the modification mechanism and effect of soils, moisture migration in soil, contaminant dispersion and failure mechanism of soil.

贯入试验还从能量学的角度给出了一种评价土样均质性和各向异性的定量方法；此外，贯入试验还为我们深入了解土质改良机理和效果、土中水分迁移、污染物的弥散以及土样的破坏机理等提供了一种全新的方法。

The algorithm employs low-level spatio-temporal signal processing and the segmentation is based on the analysis of apparent motion, inter-frame pixel value changes, edges, and textural homogeneity of image regions.

该演算法使用低层级的时空信号处理，透过分析画面中所呈现的运动、昼面问像素值的变化、边缘资讯、及影像区域中纹理的一致性，来进行分割。

With the homogeneity of household appliance becoming clear,traditional distribution channels of household appliance emerge in many shortcomings and are challenged austerely.

随着家电产品的同质化日趋严重，传统分销渠道的弊端显露出来并接受着严峻的挑战，这就要求家电企业的分销渠道必须从分销渠道结构、渠道功能等方面进行改进和选择渠道模式。

After chewing, the HA homogeneity within the gum bolus was calculated and defined as mixing efficiency.

依咀嚼后口香糖中HA颗粒分布的均匀度作为混合效率的参考依据。

The article respectively gives the radius of bomblet dispersion s equivalent eirtle and determmation and evaluation methods on dispersion homogeneity quotas based on the assumption condition of homogeneous dispersion by means of normal distribution.

基于均匀分布的假定前提并利用正态分布的特性，分别给出了火箭子母弹单发母弹的子弹散布等效圆半径以及散布均匀性的指标确定和评定方法。

The quality, optical transmissivity and homogeneity of the sapphire boule have remarkably improved.

经测试，Al2O3晶体的完整性、光学透过率和光学均匀性均有显著提高。

Researches on proteid reveal that VSV N gene encoding nuclear protein is a polypeptide which is made up of 422 amino acid and has a strong hydrophility. Comparing its homogeneity with that of VSV wild strains, it shows that the nuclear protein is highly conservative due to the high homogeneity of sequences which is above 98. 8%. It provides a basis for establishing clinical VSV diagnostic method.

蛋白质分析发现，VSV N基因编码的核蛋白是由422个氨基酸组成的多肽，具有较强的亲水性，同VSV野生型病毒株的核蛋白同源性比较，其氨基酸序列的同源性高达98.8%以上，证明VSV核蛋白具有很好的保守性，为临床上建立VSV诊断方法奠定了基础。

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。