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Unbraced Length Ratio means if the distance between lateral bracing. If the ratio is small, the capacity of the beam might reach 0.66Fy. If the ratio is small enough, it will reach 0.66Fy. On the other hand, if the ratio is high, then then capacity is low.

答:应该是平面外支撑的问题吧, Unbraced Length Ratio中的数值并不改变程序计算出来的结构的内力,但是却能改变杆件的承受力和变形的能力,数值越少,就是说不支撑的距离越短,承载能力也越强,那么 ratio 肯定就越小,结构会越稳定。

The study represents a new method of evaluating material yield strength in small punch test.

为最终通过小冲杆试验评价材料的屈服强度提供了一条新的思路。

However, those decreased in secondary forest dominated by Alchornea trewioides, Mallotus conspuyrcatus, Eurycorymbus cavaleriei with lower species diversity. The SOM contents in rock-soil (110 g kg-1) and soil surface microhabitat (77 g kg-1) in gentle slope decreased significantly, which were only 32% and 35% of that in primary forest, respectively; but there were not significant differences in SOM, TN and AN contents in depression between the two vegetations.

以红背山麻杆、广西野桐、伞花木等为优势种的次生林,物种多样性较原生林低,SOM、TN、AN含量也低,缓坡石土面和土面小生境的SOM分别为110 g kg-1和77 g kg-1,是原生林的32%和35%,下降幅度最大,其次为陡坡,而洼地的差异不明显。

The results are as follws: 1 This study randomly selected typical and wild populations of Alpinia oxyphylla Miq measured and compared their number of stem per cluster, plant height, number of fruit ear per cluster, single panicle weight, fruit yield per cluster, 100-seed weight and fruit yield.

结果显示,不同居群间的形态特征有显著差异,其中株高,单穗重和果实百粒重的变异系数较小;单丛茎杆数,单丛果穗数,单丛果实产量的变异系数较大。

It became amoeboid and round cells in the later stage of cerebral ischemia and in the core zone of infarct.

结果:1。光化学局灶性脑梗塞后小胶质细胞明显活化,表现为圆形、阿米巴状、杆状和高分枝状。

The small end of connecting rod acts to-and-fro movement, and the big end of acts circumvolve movement. The connecting rod body acts complex plane movement. The connecting rod is one of the accessories that endures heavy load. And at the same time it endures gas pressure transmitted from the piston, the to-and-fro inertia force and inertia force engendered when itself swings.

连杆工作的小端作往复运动,大端作旋转运动,杆身做复杂的平面运动,连杆是承受负荷最严重的零件之一,同时承受着活塞传来的气体压力、往复惯性力和它本身摆动时所产生的惯性力的作用,这些力的大小和方向周期性变化,易引起连杆疲劳破坏。

After entering into the market for few years,"LIANGANG" products was well received by thousands of customers in more than 20 provinces, and have been exported to U.S.A, Europe, South America, Southeast Asia, Middle East and other countries and areas.Till now, the company has developed rivet nuts M3-M12 with flat, countersunk and thin head types. The products include round, slotted and hex types, and materials of steel, alloy steel and stainless steel. We can also provide UNC6-32--UNC1/2-13 rivet nuts or with drawings according to customers' requirements.

&莲港牌&紧固件产品投放市场仅短短几年,已经拥有上千家用户,遍布全国二十几个省,并大批出口到美国,欧洲,南美,东南亚,中东等国家和地区,目前,莲港公司已经开发出从M3-M12的平头、沉头、小头系列铆螺母产品,有园杆型、带槽型、六角型三大类,材质有钢、合金铝和不锈钢等几种,也生产英制UNC6-32至UNC1/2-13的铆螺母系列产品或按照用户的图纸进行生产。

The predominant genera in most sampling sites were Fragilaria, Navicula, Cymbella and Gomphonema, but the dominant Cyclotella only in the Long Lake.

脆杆藻属、舟形藻属、桥弯藻属和异极藻属常为优势属,只在长海是以小环藻属为单一优势属的群落。

In March, May and July, Cyanophyta was the dominant one, with high proportions of 45.6%, 55.9% and 87.7%, respectively, whereas the proportions for Bacillariophyta decreased to 30.1%, 25.9%, and 1.1%, respectively. In November, proportions for Bacillariophyta and Chlorophyta were equivalent, 40% each, and the Cyanophyta composed below 20%. In December, Bacillariophyta made up 25.6% and Cyanophyta 38.2%. In March, May and July, dominant species of Cyanophyta were Microcystis aeruginosa, Pseudoanabaena, and Gloeothece linearis. In dry January, November and December, species of Bacillariophyta were dominated by A chnanthes sp., Melosira ambigua, Melosira granulata and Cyclotella meneghiniana.

全年中,蓝藻与硅藻比例变化较大,二者呈相反的变化趋势。1月份硅藻占较高比例(63.1%),蓝藻较低(〈20%);3、5、7月份蓝藻比例较高(分别为45.6%、55.9%、87.7%),而硅藻较低(30.1%、25.9%、1.1%);11月份硅藻与绿藻比例相当(各占40%),蓝藻低于20%;12月份硅藻与蓝藻比例分别为25.6%与38.2%。3月份和丰水期浮游植物优势种主要为铜绿微囊藻、假鱼腥藻和线形粘杆藻等蓝藻种类,枯水期的1月、11月和12月主要以曲壳藻类、模糊直链藻、颗粒直链藻和梅尼小环藻等硅藻种类为优势种。

An aerobic culture utilizing 4-CNB as the sole source of carbon, nitrogen, and energy, named as A1 has been isolated from the acclimated aerobic sludge, it was Grame positive, the optimal condition for 4-CNB degradation were pH 7.5, the maximum specific substrate degradation rate of 4-CNB was 0.505mg.

从驯化的好氧污泥中分离得到小**B好氧降解菌川,杆状,G\降解试验发现最适叫7.5,最佳接种量580m扒100mL;该菌株降解4七NB的最大比降解速率为0.505*g。

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Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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