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But these two brooders, a brand new one and an 'old-timer' did their best and continue to produce their yield despite the unusually hot weather.

但这两尾种鱼,一尾新的,一尾老的,还在这个非常炎热的气候下,继续它们的贡献。

The daily total metabolic rates were determined for 31 fish with closed respirometers. In addition, resting daily total metabolic rates were determined for 20fish by confining the fish into a cage within the respirometer. The fish weighed 72.9-133.3g and were fed different ration levels from starvation to 4% bw / day at 25℃.

在25℃不同日粮水平(饥饿─4%体重/d)条件下,采用封闭式呼吸仪测定了31尾鲇鱼(体重72.9─133.3g)的日总代谢率,然后,将鱼限制在呼吸室中的限动笼内测定了其中20尾鲇鱼的静止日总代谢率,并计算出了鲇鱼的特殊动力作用和活动代谢率。

In light of the actual hydrological characteristics of a certain hydropower station, small fluctuation stability of the two kinds of tailrace layout, tailrace tunnel with sloping ceiling and tailrace surge tank, of hydropower station under extremely low head is compared and analyzed.

结合某电站的实际水文特性,比较与分析了两者在超低水头这一特殊条件下的小波动稳定性,得出变顶高尾水洞对超低水头的适应性较之尾水调压室要强的结论

This paper presents the main results of the research on the transition process of the diversion system at the Hongjiadu hydropower station in the presence or absence of the tailwater surge chamber.

对洪家渡水电站引水系统在设置尾水调压室和取消尾水调压室两种情况下的过渡过程进行了计算研究。

Results showed LC_(50) of divalent mercury to swordtail fish were 0.84, 1.35, 1.71mg/L in 24h, 48h and 96h respectively, while LC_(50) of tetravalent selenium to swordtail fish were 6.64, 12.59, 17.91mg/L respectively.

结果表明:Hg+2对剑尾鱼的 24、48、96 h的 LC50分别为 1.71、1.35、0.84mg/L;Se+4对剑尾鱼24、48、96 h的Lc50分别为17.91、12.59、6.64 mg/L;在浓度和毒性比都为1∶1的条件下,24 h都表现联合作用,而48 h、96 h则为拮抗作用。

The influence of tailboard on the exit flow fields of compressor cascades with normal straight, positive and negative curved blades were investigated at zero incidence.

进行了带尾板的常规直叶片、正弯曲叶片、反弯曲叶片组成的三种矩型压气机叶栅在低速风洞上的实验研究,测量了叶栅出口流场,分析了零冲角下尾板对叶栅出口能量损失分布情况和二次流速度矢量的影响。

The marine stern tube bearing is a special structure and complicated load sliding bearing, which is always under foul lubricative state in real work, and always produces bad abrasion to get premature invalidation. This brings a great influence to ship s safely sailing and economic benefit.

船舶尾管轴承是一种受力复杂、结构特殊的滑动轴承,它在实际工作中处于极其恶劣的润滑状态下,常常产生严重的磨损而导致尾轴承的过早失效,这对船舶安全航行和营运经济效益带来很大的影响。

There's a Greek myth about a deer that hunters and wolves could not kill because the life of the deer was hidden in the belly of a fish that swam the oceans of the world.

有一个希腊神话是关於一头鹿的,猎人和野狼都无法取下这头鹿的性命,因为它隐藏在一尾鱼的肚子里,而这尾鱼穿梳於各大海洋。

There's a Greek myth about a deer that hunters and wolves could not kill because the life of the deer was hidden in the belly of a fish that swam the oceans of the world.

有一个希腊神话是关于一头鹿的,猎人和野狼都无法取下这头鹿的性命,因为它隐藏在一尾鱼的肚子里,而这尾鱼穿梳于各大海洋。

In this article, based on room temperature creep analysis on propeller shaft, a dynamic and a fatigue analysis on the propeller shaft are carried out.

本文针对常温下长期受到恒定载荷作用下的某舰螺旋桨尾轴进行了常温蠕变分析,并对变形后的螺旋桨尾轴进行了动力和疲劳分析。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。