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It is shown that the stainless steel without Nickel or Chromium has good mechanical properties and good resistance to corrosion and oxidation, and properties equivalent to 304 and 305 stainless steels.

结果表明:本文所设计的无镍铬不锈钢具有优异的力学性能,良好的高温抗氧化性和耐海水腐蚀性,且达到ZG304、ZG304不锈钢的性能指标。

Considering the magnetic measurement and seafloor operation, the sealed pressure case should be nonmagnetic and transportable.

为抵御海水的侵蚀和抗衡海下的环境压力,需要研发装载磁场传感器的密封舱。

In this paper, the nonmarket recreational beach resource value is evaluated by using the travel cost method and contingent evaluation method, and the composition and total amount of recreational beach resource value are estimated.

以青岛市海水浴场为例,运用旅行成本法和条件价值评估法对非市场的海滩休闲旅游资源价值进行了全面评估,并对海滩休闲旅游资源价值构成和总量进行了测算。

The objective of research is to analyze the advantage and disadvantage of training environment in the Sun Moon Lake and Dong-Shan River rowing training center. The achievements of research are as the followings: 1. The weather condition: a. The area of Dong-Shan River is easy affected by seasonally northeaster and the influence of seawater tides that increase resistance for contestants when training. Nevertheless, the area of Sun Moon Lake doesn't affect at all.

本研究旨分析日月潭和冬山河水上划船训练中心训练环境的优劣,针对气候、潮汐、温度、雨量、水质等进行分析,所得的研究结果如下:一、气候方面:冬山河水域易受到东北季风及海水潮汐的影响,增加选手在训练时的阻力;日月潭水域并无此影响。

Basic equations of seawater intrusion, mathematics models and numerical simulation methods are figured out with the two theories fully studied.

在对咸淡水界面理论有充分了解后,对海水入侵数值模拟研究涉及的基本方程、数学模型和数值方法做了总结。

This is to say, large energy only can be obtained from large volume of oceanic water.

这就是说,要想得到大能量,就得从大量的海水中获得。

Josh Willis: Well, I'm an oceanographer but I study sea level rise, global warming and really how the ocean fits into that global warming picture.

我是一位海洋学家,但我研究的是海水上升、全球暖化,以及海洋如何适应全球暖化的情况。

In a word, it is an inevitable trend that offshore-cage-culture will develop rapidly, and offshore culture will be the direction offish mariculture in China In addition, the article points out that the laggard and small-scale management pattern is the source of the high production cost of offshore fish culture.

即使在当前条件下,如果将台风和病害风险考虑在内,深水网箱的优势已经开始显现。综上所述,深水网箱养殖的大发展是—个必然的趋势,深水网箱养鱼是我国网箱养鱼的发展方向。同时,作者认为,深水网箱养鱼成本偏高等现象只是当前行业发展中矛盾的表象,我国海水养殖业内落后的、小农式的生产经营方式才是问题的根本。

One method of preventing seawater intrusion is to reduce offtake to a planned level.

防止海水入侵的一种方法是减少开采量使其达到设计的地下水位标高。

Accurate on all counts, but sea level and tidal waves will vary depending upon region.

所有的描述都是确切的,但取决于所在地区,海水和潮汐高度是各自不同的。

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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