time of fertilization的例句大全

a mature female ovulates every month. the most suitable time of fertilization is 24-36 hours after ovulation.

正常的成熟女性每个月都会排卵，最佳受精时间约为排卵后24-36小时。

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At the time of fertilization, we could determine the optimal fertilization based on different slope positions.

因此在施肥时可根据不同坡位确定最佳施肥量。

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The proper time of sample leaf is in the 85~ 90 days after blooming. The present study was conducted to seek the diagnoses of bamboo nutrient state so as to guide its fertilization.

研究表明，盛花后85~90d为叶营养诊断采集叶样的适宜时期。本文探讨毛竹的叶营养诊断，以指导竹林施肥。

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Effects of Nutrient Management of Different Fertilization Time on Yield and Yield Components of Rice

不同时期养分管理对水稻产量及其构成因子的影响

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Parent goldfishes were exposed to 1,000 rontgen of X-ray irradiation. The following results were obtained for the embryonic development: 1. decreased rate of fertilization and hatching; 2. retardation of hatching time;

成熟金鱼受1000伦琴X射线照射后，所产的卵降低了受精率及孵化率，延长了孵化时间。

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Garden design and cultivation techniques including selection and planning of tea garden, land preparation, fertilization, sorts and size of seedlings, selection of planting time, planting, pruning, tending, management and protection etc.

项目中涉及到园地选择与规划；清理整地、施肥、种苗规格和栽植时间的选择、栽植、修剪、抚育、管护设计等茶园设计与栽培技术。

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With exception of soils that are cold and wet at planting time, no evidence exists that surface broadcasting of potassium fertilizer is not an adequate method of fertilization under reduced tillage.

除非在播种时土壤寒冷潮湿，没有证据表明在少耕制下钾肥地表撒施是一种不适当的方法。

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The reproductive techniques of sugarbeet seed and high yield measures, such as soil selection, fertilization, right time and close planting, film-cover improving, mowing axial bolt, irrigation and harvest period, were introduced.

从选地施肥、适时栽植、合理密植、提高覆膜质量、打主薹、适时灌溉、适期收获等方面介绍了甜菜繁育技术和丰产配套措施。

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Dead spermatozoa were capable of fertilizing oocytes by ICSI, but rates of fertilization and embryo development declined with time after death.

山羊死亡精子通过ICSI技术可以受精并发育，但是随死亡时间延长受精和发育能力下降。

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Experimental results show that the mean predicting accuracy of the LS-SVM model is higher than BP neural network model. At the same time, the LS-SVM model is especially suitable for limited number of samples. ( 4) Development of intelligent fertilization recommendation platform for tobacco.

实验结果表明，基于最小二乘支持向量机的施肥推荐模型对产量的预测准确率高于BP网络模型，且特别适用于样本数量有限的情况。（4）基于GIS的烤烟智能施肥推荐平台的开发。

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research on the grafting time of oiltea camellia hypocotyl and fertilization measure

油茶胚轴嫁接时期与培育期施肥方式的研究

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following fertilization the endosperm becomes and remains multinucleate for some time , becoming cellular near the time of pit- hardening .

受精以后，胚乳变成多核，并继续存在一个时期，近硬核期时变成细胞状。

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effects of different fertilization treatments on the coverage density and turf grass growing time of hybrid zoysia

不同施肥处理对杂交结缕草草坪盖度及成坪时间的影响

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effects of sowing time, plant density and fertilization on radish yield and its commercial properties

播期、密度与施肥对萝卜产量及商品性状的影响

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the egg fertilization of the cabot's tragopan can reach 85 percent by artificial insemination. the technique established by beijing normal university resolves the problem of the low egg fertilization rate of cabot's tragopan keeping in captivity for a long time.

通过对黄腹角雉产精的特点以及对精液的系统分析后，所建立的人工授精技术使卵受精率可达85%以上，解决了长期笼养下的黄腹角雉卵受精率低的问题。

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Effects of Fertilization Period and Harvest Time on Seed Yield of Roegneria Nutans

施肥期和收获期对垂穗鹅观草种子产量影响的研究

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All the work are done by children themselves including scarification, semination, fertilization and watering etc* In free time everyday, pieces of plots become the children's favorites.

从松土、播种，到施肥、浇水，所有的工作都是由孩子们自己亲手完成。每天只要一有空闲，这一块块菜地就成了小家伙们最爱去的地方。

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The research results showed that there were no big difference in the time of beginning fertilization between autotetraploid and diploid rice.

研究结果表明，同源四倍体水稻和二倍体水稻在发生受精作用的时间上不存在很大的差异。

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Application of panicle fertilization at the2nd leaf-age from top increased the grain filling rate at late grain filling stage and shortened the time of superior grain filling.

倒2叶期施肥在一定程度上增强了籽粒灌浆后期的灌浆速率，缩短了强势粒的灌浆时间。

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