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It is shown that Zn0.75Co0.25O films grown at low temperatures (250 ~ 350 ℃) are of single-phase wurtzite structure and films synthesized at 300 or 350℃ reveal room temperature ferromagnetism.

第五章研究了生长温度对Co掺杂的ZnO DMS薄膜性能的影响。300℃与350℃条件下生长的薄膜显示出铁磁性。

Different methods for growth rate determination of ocean ferromanganese deposits, their principle, apply fundamental and qualification have been summarized here, and the direction of growth rate determination have been prognosticated also.

对大洋铁锰矿床生长速率的不同测定方法进行了全面回顾和总结,系统介绍了不同方法的原理、适用原则及优缺点,认为10Be法是最为可靠的生长速率测定方法。

Objective To explore the effects of insulin-like growth factor on the fetal growth.

目的 探讨胰岛素样生长因子与胎儿生长发育的关系。

This observation raises many intriguing questions that are addressed within the framework of elastic filamentary structures by modeling the stem close to the apex as a growing elastic rod.

基本上作者将这个缠绕在垂直树干上的藤蔓系统看作是垂直柱体上生长的弹性条。文章的意思是缠绕藤自身的曲率是藤蔓能够向上生长的重要因素。

The principle of the regional growing filer is similar to the regional growing used to process digital images.

将区域生长算法引入LIDAR点云滤波,其原理与图像处理中的区域生长原理相似。

Our recent experiment about the comparison of young grass crap growth between in pond and in glass fish box with different temperature demonstrates that the fry grow faster at 28°C than at 30°C but the fingerling grow faster at 30°C than at 28°C.

根据我们在北京的池塘和水族箱对水温测定的结果表明:草鱼苗在水温28℃时要比30℃时生长快;而草鱼种在水温30℃时比28℃时生长快。

The muscle development is important for the fish growth which is an important economic factor for the fish culture.

对于养殖鱼类,生长速度是很重要的经济指标,而肌肉的发育对鱼类的生长非常重要。

A detailed analysis of Schulz—Flory distribution has been given and a calculation method for growth rate and termination rate of Chain in Fischer Tropsch synthesis is presented here.

经过对Fischer—Tropsch合成产品分布和Schulz—Flory方程的研究与分析,、提出了对决定F—T合成产品分布的重要参数——链生长几率、链生长速率及链终止速率的直接计算方法。

A detailed analysis of Sehulz—Flory distribution has been given and a calculation method for growth rate and termination rate of Chain in Fischer Tropsch synthesis is presented here, Calculation method was based on experiment data and the development doesn't need to be confined by postulating mechanism.

经过对Fischer—Tropsch合成产品分布和schulz—Flory方程的研究与分析,提出了对决定F—T合成产品分布的重要参数——链生长几率、链生长速率及链终止速率的直接计算方法。

The effects of the different N, P and K levels and several plant growth regulators on flowering of phalaenopsis were studied, the results showed:(1) N had a great effect on the formation of leaves, and there had more leaves in plant which had high content of N; P had a major effect on the differentiation of flower buds, it could promote the differentiation of flower bud through the application of phosphate fertilizer; K and N was effect on the elongation of flower stalk, and it had important influence on the length of flower stem.

研究了不同N、P、K水平和几种植物生长调节剂对蝴蝶兰开花的影响,结果表明:(1)N对叶片的形成有较大影响,含N高的植株叶片数较多;P在花芽分化中起主要作用,增施磷肥可促进花芽分化;K和N有利于花茎伸长,它们对花茎的生长有着重要影响。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力