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Mild or moderate variable decelerations do not have alate component, are of short duration and depth, and end by rapidreturn to a normal baseline FHR. 轻或中度可变减没有晚期减速,持续时间短,深,并以胎心率快速恢复到正常的胎心率基线结束。
Prediction model of alate aphids migration peak period in Shandong tobacco growing region 山东烟区有翅蚜迁飞高峰期预测模型的建立及应用
The direct stiffness method may be divided into "immediate contact method" and "alate contact method" according to support conditions. 直接刚度法,对支承条件有先处理法和后处理法。
There was a close genetic relationship between the fundatrix ( apterous), virginoparae ( apterous) and virginoparae ( alate) in the green peach aphid. 干母、干雌和迁移蚜之间的遗传关系最近。
Study on the volatile oils from the leaves of Murraya alate Drake 翼叶九里香叶挥发油化学成分的研究
Effect of JH Analogs on Alate Rate of Myzus persicae Sulzer and Population Dynamics 外源JH对桃蚜种群消长及有翅率的影响
The population dynamic of the cotton aphids, Aphis gossypii Glover, under varying inoculated densities by 2,4,8,16 and 32 aphids per plant, was observed in the gauze covering cage in June, 1998. The alate population was observed and analyzed. 棉蚜在每株接种2,4,8,16,32头等不同初始密度情况下的种群数量变化进行了实验观察,并对有翅蚜的数量动态进行了观察和分析。
JH analogs could produce a remarkable effect on the population dynamics and the alate rate of adult aphid. 外源保幼激素类似物对棉蚜种群消长和成蚜有翅率均有重要影响。
Studies of pests in vegetables from Shanghai area ⅲ. studies on alate aphides migrating into yellow pan water traps in sweet pepper 上海地区蔬菜害虫研究&Ⅲ.迁入甜椒田黄色水盘中有翅蚜的研究
Studies on Alate Aphides Collected From Yellow Pan Water Traps in Vegetable Gardens 迁入蔬菜田黄色水盘中有翅蚜的研究
Effect of alarm pheromone on the number of alate aphid of green peach aphid 蚜虫报警信息素对桃蚜产生有翅蚜的影响
In this study, for the first time, DDRT-PCR technique was applied in analyzing the difference on gene expression between alate and apter in Rhopalosiphum padi. 本论文采用DDRT-PCR技术首次从基因表达水平上研究蚜虫的翅型分化。
Research results shown that the incidence of tobacco virus diseases spread by aphis was highly correlated with the starting time and the length of the first migration period of alate aphis and the amount of alate aphis in this period. 研究结果表明,陕西烟草蚜传病毒病的发生与有翅蚜的第一次迁飞期的长短、早晚和有翅蚜量均呈显著正相关;
However, due to alate start, small and medium sized enterprises also exhibit some problem, such as environment lag, financing difficulties and weak management. 然而,由于起步较晚,我国中小企业也呈现出环境滞后、融资困难、管理薄弱等问题。