【摘 要】
：
时值冬季,天气寒冷,让人时时想起温暖的被窝,真想冬眠下去。于是,整日犯困,精神不振,没有工作兴趣的人不在少数。那么,究竟是什么原因让人如此嗜睡呢?事实上,如果排除其他疾
论文部分内容阅读
时值冬季,天气寒冷,让人时时想起温暖的被窝,真想冬眠下去。于是,整日犯困,精神不振,没有工作兴趣的人不在少数。那么,究竟是什么原因让人如此嗜睡呢?事实上,如果排除其他疾病的原因,那么这种现象只和一样东西有关——睡
When winter, the weather is cold, people often think of warm blankets, really want to hibernate. So, drowsy, sluggish all day, there is no minority interest in work. So, what is the reason why so drowsy it? In fact, if the exclusion of other diseases, then this phenomenon is only about one thing - sleep
其他文献
The community structure of arbuscular mycorrhizal fungi of rhizosphere of woody plants in forest of Jin-do, island located in southwest of Korea, was invest
In this study 21 strains of Acremonium fuci Summerbell, Zuccaro et Gams were studied.Isolates were yielded from brown algae and littoral soils of White and
本文研究了几种生长调节剂对6号李绿枝插条切口愈合、生根和成苗的影响。结果表明,100PPm的ABT生根粉效果最好,其次是吲哚乙酸,再次是萘乙酸。
In this paper, the effects
Microsporum canis became the primary cause of tinea capitis in most areas of China.It was probably due to the fact that raising pets is becoming popular in
大连港地处辽东半岛南端,港阔水深,不淤不冻,是著名的天然良港,与140多个国家和地区有贸易往来,历来以我国北方最大对外贸易港口而著称,是发展欧亚大陆桥运输桥头堡最佳选址
近年来,大学生社会实践的重要性得到全国的广泛认可,社会实践种类增多、范围扩大、人群提升、成果显著,但仍存在许多问题和有待提高的方面.该文旨在指出当前大学生社会实践中
塑料大棚是当前我国冬春蔬菜保护地栽培的主要方式之一,其主要优点是造价低、密封性能好,利于保温;主要缺点是气体交换不良,早晚光照不足。本试验拟意改善大棚内光合环境,探
在当前“统计学”课时减量背景下,迫切需要一套科学、优质、高效的课堂教学模式,来提高课时效益及提高教学质量,而“统计学多元混合教学模式”正是符合现实需要的切实可行的
In a collaborative research on the diversity of aero-aquatic fungi in Thailand between NITE of Japan and BIOTEC of Thailand, a new species and another crypt
About 108 endophytic fungi were isolated from the medicinal plant, Artemisia argyi.Based on morphological characters, 43 representative isolates were select