The age structure,reproductive age structure,fecundity and reproductive value of Larix chinensis were studied,the reproductive fitness and the reproductive strategy were analyzed in this paper.
研究了太白红杉种群的年龄结构、生殖年龄结构、生殖力和生殖值,分析了太白红杉种群的生殖适合度和生殖对策。
Progress on the interaction of humic substances with uranium and TRU elements;
腐殖质与铀和超铀元素相互作用的研究进展
Applying Fe(Ⅱ), Mn(Ⅱ) and Cu(Ⅱ) ions for catalytic ozonation of humic substance(HS) in landfill leachate were studied.
研究了Fe(Ⅱ),Mn(Ⅱ),Cu(Ⅱ)作用下,均相催化臭氧氧化去除垃圾渗滤液中高浓度的腐殖质。
The amount of nitrogin,humic substance,humic acid,and fulvic acid in the soils increases with increasing biomass,also following the above mentioned order.
结果表明，生物量的大小排序为：羊草围栏内＞羊草围栏外，退化羊草围栏内＞退化羊草围栏外，土壤氮、腐殖质、胡敏酸、富啡酸亦因生物量的增加而增加。
Dynamic of humic substance complexed copper and its relationship with copper leaching during manure composting;
粪肥腐解过程中铜与腐殖物质结合状况及其与铜淋失的关系
Property changes of humic substances from organic materials in different decomposing period;
纯有机物料腐解形成腐殖物质性质的动态变化
The predominant organic matter in hydrothermal ore-forming fluid varies with temperature from humic substance (t < 50℃), carboxylic acids (t = 80 ~ 140℃), crude oil (t = 120 ~ 180℃), to water-soluble mehane (t = 180 ~300℃).
热液流体中的主要有机质包括腐殖物质（t＜50℃）、有机羧酸（t＝80～140℃）、原油（120～180℃）和水溶性甲烷气（180～300℃）。
A Preliminary Study of Reproductive Age of Jatropha curcas Trees in Panzhihua City *
攀枝花麻疯树生殖年龄问题的初步研究
Studies on the Age, Growth and Reproductive Biology of Xenocyprinae Microlepis
细鳞鲴的年龄、生长和繁殖生物学研究
Age, Growth and Reproduction of the Roach Rutilus Rutilus (Linnaeus, 1758) in Ulungur Lake, Xinjiang, China
新疆乌伦古湖拟鲤的年龄、生长与繁殖
Studies on the Age and Growth、Reproduce Biology of Xenophysogobio Boulengeri Tchang;
异鳔鳅鮀的年龄与生长、繁殖生物学研究
age-marital duration specific fertility rate
年龄婚龄龄别生育率
By 2010, reproductive health care service will be accessible to all the people of childbearing age.
到2010年，实现育龄群众享有基本生殖保健服务。
(3) The reproduction mature age of Ribes mandshuricum is 4-5 years, and the life span of it is about 20 years.
(3) 东北茶?子的生殖成熟年龄为4-5年,寿命为20年左右。
Studies on the Age, Growth and Reproductive Biology of Culter Alburnus in Xujiahe Reservoir
徐家河水库翘嘴鲌年龄与生长和繁殖生物学研究
Researches of Reproductive Hormones in Different Age Holstein Cows
不同年龄奶牛血清六种生殖激素浓度测定及其相关性研究
Analysis on the Change of Reproductive Population Composition of Coilia ectenes in Wuwei Section of Anhui in Yangtze River
安徽无为长江段刀鲚生殖洄游群体年龄结构的变化分析
The relationships between age,the state of gential tract and vaginitis,cervical erosion and vulvae leukoplakia
年龄、生殖道状况与阴道炎、宫颈糜烂和外阴白斑患病的相关性研究
ANALYSIS OF THE AGE COMPOSITION OF SPAWNING STOCK OF YELLOW CROAKER BY FUZZY MATHEMATIC METHOD
应用模糊数学方法对厦门近海大黄鱼生殖群体渔获年龄组成低龄化的分析
There is no definite age at which reproductive functions cease abruptly during life, constituting menopause or climacteric in man.
人类一生中没有突然停止生殖机能，即形成绝经期或更年期的确切年龄。
Age-related Epstein-Barr virus-associated B-cell lymphoproliferative disorders:Special references to lymphomas surrounding this newly recognized clinicopathologic disease
年龄相关的EBV-B细胞淋巴增殖性疾病
Grows fast, easy catching bait. Mature after4 years old. Adult form can survive10 to15 years. Its one of the most cultured fish feed in fresh water in China.
物。生长快，食饵易得。四龄以上成熟。成鱼可生活10至15年。为中国主要淡水养殖鱼类之一。
Establishment of the model of cocaine-indued reproductive system injury and cocaine-induced apoptosis of germ cell in different age rat
可卡因诱导不同年龄段大鼠生殖系统损害模型的建立及生精细胞凋亡状况的研究
V. Satisfying the Reproductive Health Needs of People of Childbearing Age
五、满足育龄群众生殖保健的需要
Studies on Age, Growth and Fecundity of Schizopygopsis Malacanthus Baoxingensis and the Fish Diversity in the East and West Rivers in Baoxing County;
宝兴裸裂尻鱼的年龄、生长和繁殖力研究及宝兴东、西河的鱼类多样性