1) economic maturity
经济成熟
1.
A Study and application on the economic maturity for eucalyptus superba Plantation;
桉树人工林经济成熟的研究和运用
2.
Discussion on the Application of Technique of NPV in Stand Economic Maturity;
净现值法在林分经济成熟中的应用探讨
3.
Analysis was done on economic maturity of the different density stands using PNW(present net worth) way.
在不同密度欧美类杨速生丰产林生长规律的基础上,应用净现值方法对不同密度林分的经济成熟进行了分析。
2) economic mature
经济成熟
1.
Along with the consideration of technical mature age and quantitative mature age,the economic mature age,which was determined by the maximum of NPV (net present value), was used to determine the optimal rotation age for large-grade timber production.
以工艺成熟为前提,兼顾数量成熟,利用经济成熟作为确定黑杨大径材人工林定向培育的合理采伐年龄。
3) mature economy
成熟经济
4) economic maturation theory
经济成熟论;经济成熟论
5) economic mature age
经济成熟龄
1.
The article studied the influence on the economic mature age and economic benefit of fast-growing and high-yield plantation of poplar by change of discount rate based on the main economic indexes(PNW、IRR、Bu、RBC) and the investigated list of poplar growth prediction in the internation.
利用经济成熟龄的主要经济指标(净现值、内部收益率、土地期望价、效益成本比)和调查收集的杨树生长预测表的数据,对杨树速生丰产林经济成熟龄与经济效益进行了研究,结果表明:在同一经营条件下,由经济效益主成分分析得到,密度为330株/hm2的欧美类杨经济效益最优;在现行的经济环境下,利率5。
6) theory of economic maturity
经济成熟论
补充资料:不成熟卵母细胞体外成熟
不成熟卵母细胞体外成熟
是将表皮生长因子和促性腺激素联合用于不成熟卵母细胞进行体外培养,提高受精率及提高不成熟卵母细胞的体外成熟率。它是一项助孕技术,可以减少超排卵带来的经济负担和卵巢过度刺激的危险。解决卵巢本身缺陷诱发排卵无效病人的生育问题,以及为“卵子指赠”工作提供卵母细胞来源,但体外成熟的卵母细胞的胚胎较体内成熟卵母细胞要差,因此必须了解影响卵母细胞体外成熟能力因素和改善培养环境。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条