查询词典 fertility

Rections of 50 soybean varieties to soil fertility under tub planting condition were sduded to screan the genotype that were insusceptible to soil fetility.

在盆栽条件下对50个大豆品种在不同肥力下的表现进行了观察研究，旨在筛选对肥力不敏感的基因型。

In order to evaluate the restoration effect of cropping systems on continuous cropping soil, treatments of nitrogen-catching crop, rotation, and intercrop were adapted to study soil fertility and microbial indexes of the soil from an 8-year continuous cropping field using pot experiments. Fallow was used as a control. Cucumber yield were recorded.

为了评价栽培制度对连作障碍土壤的修复效果，采用盆栽方式，设置休闲、轮作、间作等处理，以生产中常用的栽培制度即夏季休闲的连作制度为对照，研究各处理对连作8年黄瓜的温室土壤生物修复效果及对后茬黄瓜产量的影响。

Invertase level could be used as a comprehensive index of soil fertility.

结论］蔗糖酶活性可作为评价水田改种香蕉土壤肥力的敏感指标。

Invertase can be used as fertility indicator of soil nutrients in different farmlands in salinization fluvo-aquic soil.

转化酶可作为盐化潮土不同农田中土壤养分的肥力指标。

IVF is one method used to help people with fertility problems to have a baby.

试管婴儿是一所采用的方法来帮助人与生育问题有一个婴儿。

Besides IVF there are several other treatments as well as many techniques for diagnosing fertility problems.

此外，还讨论了有关试管婴儿的几个其他治疗方法以及许多诊断生育力问题的技术。

Patterns of Low Fertility in Hong Kong and Taiwan Edward Jow Ching Tu;Xia Zhang

现实与超越：新时期榜样示范的困境和出路刘剑霞；钱宁

It was accessible to produce fluid fertility containing biotechnology fulvic acid through fermenting Jowar straws juice.

用甜高粱秸秆汁发酵生产生化黄腐酸液肥的工艺条件是可行的。

Aim To study the optimal fermentation process of producing fluid fertility containing biotechnology fulvic acid from Jowar straws juice.

目的 研究甜高粱秸杆汁发酵生化黄腐酸液肥的工艺条件。

A study on the optimal fermentation process of producing fluid fertility containing biotechnology fulvic acid from Jowar straws juice;2. The optimum mixture of biotechnology fulvic acid , Azotobacter chooroccum, Phospho bacteria and Silicate bacteria were stu.

本文以甜高粱秸秆汁为原料，通过单菌及混合菌种发酵实验确定了发酵的最佳菌种组合；利用微生物混合发酵确定了发酵菌种的接种比例、接种量、最佳氮源及其添加量；用L_9(3)~3正交设计的方法，确定了发酵的最佳pH值、发酵时间和发酵温度；研究了生化黄腐酸液体肥料和圆褐固氮菌、钾细菌、磷细菌的复配工艺，并在作物上进行了田间试验。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐