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Do vegetative and reproductive phenophases of deciduous tropical spe-cies respond similarly to rainf
[期刊论文] 作者：A. P. Silveira,
来源：林业研究（英文版） 年份：2004
Deciduous trees with high-density wood that occur in dry seasonal tropical regions respond to rainfall seasonality with synchrony in phenophases. However, they...
[期刊论文] 作者：A. Forrest Troyer,
来源：作物杂志 年份：2004
育种家根据玉米自交系的遗传背景来选择血缘关系相近的自交系作为新系选育的基础种质,选择血缘关系较远的自交系来配制新的杂交种.本文介绍一些杂交玉米起源的历史.Holden第1...
[期刊论文] 作者：Clifford A. Kiracofe,
来源：北京周报（英文版） 年份：2004
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[期刊论文] 作者：JAMES A. DORN,
来源：北京周报（英文版） 年份：2004
Although Fed Chairman Ben Banke did not announce another round of quantitative easing (QE)during his speech at the annual Jackson Hole,Wyoming,retreat for cen...
[期刊论文] 作者：Ted A. Thompson,
来源：英语沙龙：阅读版.英汉版 年份：2004
雪莉是我们最小的女儿，她四岁那年从“圣诞老人”那儿收到了一份不寻常的圣诞礼物。她当时的年龄过圣诞最合适不过了。她能理解节日的真正意义，但依然能完全被圣诞节的魔幻魅......
[期刊论文] 作者：Peter A. Singer,
来源：中国全科医学 年份：2004
我常为自己的孩子--或许您也一样,为这样的事情担心他是否能按时参加壁球运动?是否应该让孩子参加街舞或爵士音乐培训?这个假期应该参加哪个夏令营?选哪所大学合适?...
[期刊论文] 作者：Ellham A. Taha,,
来源：药物分析杂志 年份：2004
Objective: To develope two simple and accurate spectrophotometric methods for the determination of meloxicam (Ⅰ) in presence of its degradation products, 5 - m...
[期刊论文] 作者：Jessica A. Larson-Wang,,
来源：国际人才交流 年份：2004
Bring gifts The nice thing about visiting Chinese families is that while it is polite to bring gifts, generic gifts are expected and even welcome. You don't hav...
[期刊论文] 作者：Omar A. IBRAHIMI,
来源：Chinese Chemical Letters 年份：2004
Intramolecular cyclization of N-alkoxyl amines are studied for the stereoselective preparation of 2, 4-disubstituted pyrrolidine derivatives. Reduction of oxim...
Identification of Mesoproterozoic zircons in a Triassic dolerite from the Liaodong Peninsula, Northe
[期刊论文] 作者：Simon A. Wilde,
来源：Chinese Science Bulletin 年份：2004
Thick Neoproterozoic strata are widespread in the Dalian region, Liaodong Peninsula, Northeast China. SHRIMP zircon U-Pb dating of dolerite intruded into Neo-pr...
Paleomagnetic age and palaeobiological significance of hominoid fossil strata of Yuanmou Basin in Yu
[期刊论文] 作者：Friedrich A. Heller,
来源：Science in China(Series D:Earth Sciences) 年份：2004
The two sections containing hominoid fossils in the Yuanmou Basin, Yunnan Prov-ince have been studied by means of magnetostratigraphy. The results are as follow...
[期刊论文] 作者：A. V. Tarasov,
来源：硫酸工业 年份：2004
研究了一种在反应器-转化器将天然气转化为含一氧化碳和氢气的转化气、在催化反应器中用甲烷转化产物将二氧化硫还原为元素硫的工艺.高温转化器(1 100～1 300℃)中天然气流量为...
Development of Newer Approaches to Male Contraception: Prospects of Availability for Mass Applicatio
[期刊论文] 作者：A. Jagannadha Rao,
来源：生殖与避孕（英文版） 年份：2004
Progress in development ofa simple, effective reversible male contraceptive has been difficult due to the indispensable role of testosterone in spermatogenesis...
[期刊论文] 作者：Thomas A. Trautner,,
来源：Bulletin of the Chinese Academy of Sciences 年份：2004
“I participated within the CAS/MPG cooperation in the introduction of Independent Junior Research Groups at institutes of the CAS.This activity is among the mo...
[期刊论文] 作者：David A. Yerger,,
来源：国际人才交流 年份：2004
It was a cool foggy morning in Palm Beach , Florida the morning my friend dropped me off at the airport at 6 AM. He said , “ Are you really leaving today for C...
[期刊论文] 作者：Vyacheslav A. Boguslayev,,
来源：中国民用航空 年份：2004
2009年7月3日将是一个值得纪念的日子--1954年的这天,中国第一架飞机CJ-5教练机装载着由A.G.伊夫琴科领导设计的M-11系列活塞发动机首July 3, 2009 will be a memorable da...
[期刊论文] 作者：A.丁尼生,,
来源：中学英语园地(初三版) 年份：2004
请下载后查看，本文暂不支持在线获取查看简介。Please download to view, this article does not support online access to view profile....
[期刊论文] 作者：AARON A. VESSUP,,
来源：Beijing Review 年份：2004
Capturing many styles of oxen in gold, bronze,or dressed in colorful lights, is a delight to my camera eyes. In this, the Year of the Ox in the Chinese calendar...
[期刊论文] 作者：Aaron A. Vessup,,
来源：Beijing Review 年份：2004
Most travelers these days will be quick to reveal exciting places they have just returned from,or destinations toward which they are heading,that have promised...
[期刊论文] 作者：A.,
来源：Journal of Hydrodynamics(Ser.B) 年份：2004
Alternative refrigerant R-134a is considered to be ozone-friendly and a potential candidate for replacing the refrigerant R-12 in refrigeration and air-conditio...
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