【摘 要】
：
我养兰花20多年了,最初几年由于对兰花的习性及生长规律了解不够,有过几次失败的教训,至今难忘。▲冬季花蕾缩头夏秋季春兰生长很好,长出多个花蕾。霜降后搬到室内,由于未经
论文部分内容阅读
我养兰花20多年了,最初几年由于对兰花的习性及生长规律了解不够,有过几次失败的教训,至今难忘。▲冬季花蕾缩头夏秋季春兰生长很好,长出多个花蕾。霜降后搬到室内,由于未经低温处理,室内温差小,空气干燥,花蕾不久就萎缩了。后查阅有关材料,才知道春兰在开花前必须经过0～5℃的低温处理,否则不能正常开花。以后冬季便将兰花放在低
I have been orchids for more than 20 years, the first few years due to lack of understanding of the habits and growth of orchids, there have been several failed lessons, so far unforgettable. ▲ winter buds shrink summer Xia Chunlan grow well, grow more buds. After the frost was moved to the interior, the flower buds soon shrank as a result of the low temperature treatment, the small room temperature and the dry air. After access to the relevant materials, we know Chunlan must be 0 ~ 5 ℃ low temperature treatment before flowering, or can not flowering normally. After the winter orchid will be on the low
其他文献
In order to study the effect of wall on the flow pattern for the submerged turbulent water jet in narrow channels, the flow field was visualized by a laser-
目的 探讨椎动脉彩色多普勒超声对后循环缺血的诊断作用.方法 选择50例后循环缺血患者设为研究组,另选择同期50例健康体检者设为对照组.对纳入的所有对象进行椎动脉彩色多普
Investigation of Reynolds number effect on flow asymmetry over different scale slender bodies at high incidence was conducted.Aerodynamic characteristics of
2006年4月18日.上海京剧院优秀青年演员李国静“双喜临门”:被评为国家一级演员;摘取“上海市文化新人”、“上海市新长征突击手”两顶桂冠。
April 18, 2006. Outstanding
In order to investigate the drag reduction characteristics of high-speed body in supercavitation shape, four kinds of typical disk cavitator models with dif
WB4504型微波炉处理预湿的敷料包(15×6×6cm~3),以高档功率作用6分钟,可将其中的大肠杆菌全部杀灭,但作用12分钟不能使HBsAg全部达到消毒要求,作用15分钟可将枯草杆菌芽胞全
Performance of micro-mixers designed with the combination of curved wall and bluff-bodies in the mixing chambers is described in this paper.The micro-mixer
Dielectrophoretic Field-Flow Fractionation (DEP-FFF) is a technique that selects particles of interest from a mixture of many samples.DEP-FFF technique firs
This paper describes the development of the needle-free injection with a micro-pulse jet.Needle-free injection can be used to reduce the risk of cross conta
The paper presents the modeling and simulation of a novel silica gel+water chiller cycle using dielectric heating (microwave) method.In conventional adsorpt