反方向

The Bioastronautics and Fundamental Space Biology Postdoctoral Research Program, managed by the DSLS, aims to provide two-year, mentored postdoctoral research opportunities in diverse areas of space life sciences at several field center, including human support technology program, biomedical research and countermeasures program, fundamental space biology program.

太空医学和基本空间生物学博士后研究计划是由DSLS发起，目的是提供两年的由导师指导的博士后在几个NASA领域中心开展的，涉及空间生命科学各个领域的研究机会，研究方向包括人类支持技术，生物医学研究和反措施，基本空间生物学计划。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。