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There is, however, a wide variation in the resistance of enteric viruses to chlorine.

然而各种肠道病毒对氯的抵抗力是有很大差别的。

We have also analyzed the spatial and temporal variation of chlorophyll a and its relationship with environmental factors.

在时间分布上，3月17日暴发一次大规模的水华，4月份水华的暴发有一个明显的平面推移的过程。

We study the affection for the spectrophotometric method determination of sodium copper chlorophyllin in ratafee of all kinds of coefficiant of variation and obtain valuable results.

研究各种操作条件对分光光度法测定果酒中叶绿素铜钠的影响，得到了较有价值的结论。

Successful use of the variation method depends on our ability to make shrewd choice of the trial function.

成功地应用变分法取决于对尝试函数作精明选择的能力。

It would be interesting to see the variation of physiological activity in the homologous series of choline esters.

在这系列化合物中，短链的化合物对神经系统的作用与乙醯胆碱相仿，但长链化合物却抑制了乙醯胆碱的作用。

It was found that Synchronous Radiation led to ultrastructure changes, including plasmolysis, breakage of cell and nuclear membranes, variation of chloroplast and chondriosome's structure, reduction of the number of endoplasm and variations of other ultrastructure.

结果表明：同步辐射引起了细胞亚显微结构的变化，出现了细胞质壁分离，细胞膜、核膜受损破裂，内含物外流，叶绿体、线粒体形态结构变异，内质网数目减少。

The pupae were exposed to 9 krad 60Co-γ rays for two days before emergence.The adults were dissected and many mature sperms could be seen in the male flies.There were no significant difference in the form,number and vigor of sperm between irradiatid and unirradiated male flies,but there were some abnormal ultrastructurail changes in the sperm of irradiated male flies such as the appearence of vacuoles in nutrient cells,disarrangement of sperms,variation of the number of chondriosome derivates,axonemes ction of formation and abnormal cell division of sperm cells.

用9krad辐照羽化前2天的蛹，成虫羽化后解剖观察，雄虫已有大量成熟精子，精子形态、数量和活力与未经辐照处理的雄虫无显著差异，但其超微结构则发生了某些异常变化，如营养细胞出现空泡、精子排列零乱、线粒体衍生体和轴丝增多或减少、构型被破坏、精子细胞分裂异常等。

Results indicated that the variation was significant from treatment to treatment. S-deficiency caused bulging chloroplasts, loosening and dishevelled grana lamella, reducing organelle, and damaged chondriosome in mesophyll cells of the leaves, and empty cells of the roots, while S-excess, however, led to densification, condensation and randomization of grana lamella of the chloroplasts of the leaves, and separation of cytoplasms from walls of the cells of the roots.

结果表明，受S素营养胁迫的水稻，其根系及叶片的超微结构均发生了显著的变化：低S胁迫会造成水稻叶片叶肉细胞内的叶绿体结构肿胀，基粒片层松驰、散乱，细胞器减少，线粒体结构被破坏，根系细胞内几乎没有内含物；S浓度高则会使叶片叶绿体基粒片层致密、浓缩，无规则化，根系细胞发生质壁分离。

The Chondrite normalized REE pattern shows typical enrichment of LREE, with ∑REE peaking up to 318 mg kg^(-1) in central layer of the profile. Both Ce and Eu have a similar trend of variation in the profile, i.e. positive anomaly-negative anomaly-positive anomaly from bottom to top. The highest ∑REE value occurs where negative Ce and Eu anomaly and relatively higher Fe(superscript 2+)/Fe(superscript 3+) values also occur.

剖面稀土元素分布型式为轻稀土富集型，∑REE在风化壳中部达到最高值318 mg kg^(-1)，剖面上Ce和Eu均呈正异常－负异常－正异常变化趋势，∑REE最高值出现在Ce和Eu负异常和Fe(上标 2+/Fe(上标 3+)较高层位，∑REE与Fe2O3显著正相关。

Then we investigate a variation of the edge game chromatic number of a graph called edge game chromatic numberⅡ, and also we give the upbound of edge game chromatic number II of some simple graphs.

我们还提出了第二边对策色数这个概念，在此基础上给出了几类简单图的第二边对策色数的上界。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。