2005年9月，建设部、发展改革委、科技部、公安部、财政部、国土资源部6部委联合提出了《关于优先发展城市公共交通的意见》，再次确认了优先发展城市公共交通是我国重要的交通发
The objective of this study was to determine the impact of frequency of broad-leaf crops canola and pea in various crop rotations on pH, total organic C (TOC),
月光溶溶的窗台下，我搭乘文字之舟——《唐诗宋词》。跨越时空。邀游在诗词的海洋里。人生最惬意的事莫过于此吧!
One hundred and three Hereford × Angus crossbred, spring-calving cows were used to determine the influence of early weaning performance of their male proge
目的探讨护理干预对支气管哮喘急性发作患者焦虑心理的影响。方法选择支气管哮喘急性发作患者48例随机分为干预组25例和对照组23例,对照组采用常规护理,干预组在对照组基础上
目的比较2种自制腹腔三套管在重症急性胰腺炎中引流效果的差别。方法将30例重症急性胰腺炎放置腹腔三套管的患者随机分为对照组（橡胶管材质）15例和实验组（胸管材质）15例,比较2组
昏黄的灯光下,一个身影摇摇晃晃地出现在街道上,似乎找不着方向,不知何去何从。他显然有些疲惫,有些苍老……(侦探片式的开头,设下悬念)躺在床上,我思绪万千,想着那幅未完的
很多人都认为得到是一种幸福。而我却觉得失去也是一种幸福。有时候。选择放弃会比拥有更幸福。过年的前一天。爸妈带我去县城想给我买一双鞋。我们走进了一家鞋店。忽然，我看
As an essential element, zinc also is a heavy metal. Non-heading Chinese cabbage showed obvious tolerance to Zn stress in former research. To further understand
The field experiment was conducted in 2005 and 2006 at Northern Japonica Rice Cultivation and Breeding Research Center, Shenyang Agricultural University,Shenyan