A short phylogenetic marker previously used in the reconstruction of the Class γ-proteobacteria was assessed here at a lower taxa level, species in the genus X
Reproduction performance of 21 inbred experimental lines of White Leghorns was evaluated based on samples of reproduction records over a period of eight consecu
采用快淬及退火工艺,通过非晶晶化制备了两种成分的纳米晶,即Nd2F314B/α-Fe永磁合金。研究了添加Dy+Ga和晶化工艺对合金磁性能的影响,研究结果表明,三元Nd8.5Fe86B5.5合金晶化是由3个过程组成的,而添加Dy+Ga的Nd7.5Dy1Fe85Ga2合金化是
The present study describes the habitats, life cycle, larvae growth, burrowing behavior and terrestrial adaptation of Spadefoot toads in Israel based on observa
本文对民用建筑中常用的标准喷头的布置形式、间距等问题进行探讨,提出宜按喷头实际工作压力并结合结构柱网确定喷头间距和布置形式。
Cow live weight is of economic importance in dairy production;however, it is not included in the selection objective for South African dairy cattle. Variance co
由于a同位素法露点在线检测仪的响应时间和检测精度取决于其控制精度,不同的控制方案有不同的控制结果。为适应不同场合对响应速度和检测精度的要求,分别设计了两种控制方案,即露层厚度控制与温度平衡动态扫描控制。响应时间和检测精度分别为:20s,±0.5℃;300s,±0.1℃。研究表明,露层厚度控制方案收敛速度较快,适用于现场实时检测;温度平衡动态扫描控制方案能够克服放射性统计涨落的影响,可提高检测精度,
This study was carried out to determine the chemical composition and in situ degradability of agro-industrial by-products found in Eritrea. Three categories of
Based on modified version of the Pennes' bio-heat transfer equation, a simplified one- dimensional bio-heat transfer model of the living tissues in the stea
目的探讨流式细胞术(flow cytometry,FCM)在非霍奇金淋巴瘤(non-hodgkinlymphoma,NHL)诊断与分型中的应用价值。方法选取60例NHL患者为观察组,同期20例反应性淋巴结增生患者为对