养鸭能手胡厚军在多年养殖实践中,摸索总结出了五条提高鸭群产蛋量和养殖效益的经验,其饲养的鸭群年均每只产蛋量可增加30~50枚,效果甚好,很值得广大养鸭户借鉴采用。
"我有一个梦想!" 在我收到的很多读者来信上,都有这样相同或相似的表达。夹一卷铺盖,仗一身力气,到城市去打工,当城里人,过城里人的日子,接受城市文明的洗礼,把一身的"土气"
《劳动法》对试用期限作了最长不得超过6个月的原则规定。根据国务院第87号令的规定,农民工的试用期一般为
胶南市市美新经济区下岗女青工刘红注重信息的收集和研究,瞄准市场搞开发,靠养殖穿山甲致了富,发了家。目前,刘红每年繁育穿山甲200余只,纯收入10万多元。 1998年底,她从互联
The scaling process of calcium carbonate on a low-energy heat transfer surface-electroless plating surface was investigated in a simulated cooling water system.
"饮酒不醉最为高,好色不乱乃英豪。轻财重义真君子,忍气饶人祸自消。"这是记者在百岁老中医雷声远家中墙上看到的一幅修身格言。现年103岁高龄的雷声远,出生于山西平
A method for preparation of particle crystal film constructed trom monodisperse silica colloidal partices in diameter of about 300 nm is reported. The films wer
The partition coefficients of baicalin were measured in ethylene oxide and propylene oxide(EOPO)/salt aqueous two-phase systems at 298.15K,It was found that mos
统计课是一门理论性和应用性均很强的学科。统计教学不仅要注意理论知识的讲授,更要注重实践能力、方法技能的培养。这正是由应试教育向素质教育转轨过程中,统计教育改革的一个
The gas-liquid mass transfer of H2 and CO in a high temperature and high-pressure three-phase slurry bubble column reactor is studied. The gas-liquid volumetric