数量调查

The investigating results also showed that the kind and number of Rotifera was interrelated to the water qulity.

调查结果还表明：轮虫的种类与数量的多少与所在的水体的水质有一定的相关性。

According to the investigation about microorganism content of the air in different season and area, it was shown that the quantity of the air microorganism content including bacterium, mould and saccharomycetes was much higher in summer than it in the other three seasons.

通过对衡水湖不同季节、不同区域空气中微生物含量的调查。结果显示夏季衡水湖空气中微生物如细菌、霉菌、酵母菌数量明显高于秋季、春季、冬季。

With increasing altitude,pollen numberdecreased and length of stylar ramification increased gradually.Increased stylarramification of plants of Saussurea with increasing altitude has importantadaptive significance of evolutionary ecology.It ensured sexsual reproductivesuccess,provided a foundation of hereditary variation and increased specificdiversity.In addition,asexsual reproduction of most species of Saussurea assuredindividual quantity.

根据我们调查，生活在青藏高原东缘的多数风毛菊属植物都具有无性繁殖方式，它保证了风毛菊属植物物种的个体数量，而花柱分枝的变长保证了风毛菊属植物的有性繁殖成功，为风毛菊属植物在该地区的进化提供了遗传变异的基础，增加了风毛菊属植物的物种多样性，使得风毛菊属植物的多数物种都成为该地区的常见种，也可能是青藏高原地区是风毛菊属植物的现代分布中心的原因之一。19。

Results Xenopsylla Cheopis is dominant flea and wide distribution in Yunnan province.its vector efficiency is 0.241,vector index is 0.033,colony infect rate is 94.4%,bloodsucking rate is 100%.Y.pestis is detected from Xenopsylla Cheopis in the fieldwork.

结果 致痒蚤分布范围广泛，数量多，是云南省居民地区地面蚤的优势种，其媒介效能为0 。0 3 3 ，集群传疫率为94.4%，对人吸血率为10 0 %，现场调查中从该蚤检出鼠疫菌。

The life table of natural population of cotton bollworm in cotton was studied. The important factors that caused the death of second and third generation of cotton bollworm in cotton field were predacious natural enemies.

棉铃虫种群数量动态连续12年用捕虫网取样方法对麦田第一代棉铃虫种群发生趋势进行了调查，发现南疆粮棉混作区种植制度的改革已导致棉铃虫成为农业生产的重要害虫，并呈加重趋势发展。

However, the use of Aegliops tauschii in improvement of wheat yield trait has not been reported. In this study, T.durum-Ae.Squarrosa amphidiploids was crossed with common wheat PH85-16, then backcrossed with PH85-16. The variation characteristic of the main yield traits of BC1F1 and BC1F2 were analyzed. Then, QTLs affecting yield traits were detected by 130 SSR primer pairs of D genome in BC_1F_1 and BC_1F_2.The result showed chromosomes in D genome from Aegliops tauschii affected yield trait of wheat significantly.

本研究以二倍体小麦粗山羊草与四倍体硬粒小麦合成的双二倍体Am6为亲本，与普通小麦PH85-16 进行杂交，再用PH85-16 进行回交，对获得的回交后代进行了主要产量性状调查，利用位于小麦D 基组的SSR 分子标记进行了分子标记分析，对来自粗山羊草与产量性状相关的数量性状位点进行定位，探讨粗山羊草对小麦产量性状的影响。

An investigation was carried out in the Huanghai Sea and the East China Sea to reveal the quantitative relationship between the density of flagellates and suspended paticles in the summer of 2001. The results show that the density of flagellates varies from 44 to 12 600 i./cm^3, which can reach a large percentage of the suspended particles.

对2001年8月黄海中部和南部以及东海北部海洋鞭毛虫的丰度及其与悬浮颗粒物的数量关系进行了研究，发现调查区域内的鞭毛虫丰度为44～12 600个／平方公分，它们在悬浮颗粒中所占的比例可达60%以上。

In Mexico,researchers estimated that fewer than 10 greys survive.

在墨西哥，调查者估计所存活的灰狼数量不足10只。

According to the aquatic ecosystem investigations in October of 2003 and April of 2004, the composition and quantity of phytoplanktons after impounding of the Three Gorges Reservoir were studied. We discussed the influence of water dynamics condition, water nutrient level on the phytoplankton components and quantity.

根据2003年10月和2004年4月的水生生物调查，对三峡库区二期蓄水后的浮游植物组成与分布变化进行研究，探讨水力学与营养盐条件变化对库区浮游植物结构与数量的影响。

From this survey, the density indices of mosquitoes are different in pigsties inside and outside the yard. The surrounding environment of pigsties outside the yard is more similar to the wile environment. Therefore, pigsties that are far from the cottages could be chosen, with an appropriate increase of the number of pigsties, so that the obtained results may objectively reflect the seasonal fluctuations in wild environment.

从此次调查来看，院内猪圈和院外猪圈蚊虫密度指数不同，院外猪圈周围的环境更类似于野外环境，因此可以选择远离村舍的猪圈，并适当增加猪圈数量，所得结果较客观地反映野外环境中的季节消长状况。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了