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It is a new method to find the displacement function form in analysis of shear lag effect on thin-walled box girder.

薄壁箱梁的剪力滞效应分析提供了新的思路和方法。

Especially after forbidding using solid clay brick, the development potential of the Light Steel Framing Building is promising.

特别是在禁止使用实心粘土砖之后,作为传统住宅结构体系的理想替代品,冷弯薄壁住宅钢结构发展潜力巨大。

From the point of view of structure,bamboo cell wall ratio,amount of bundle per unit area,fraction of bundle sheath,fraction of vessel increase from the root to the top of the bamboo,while fractionof parenchyma.Single bundle sheath area decreases with the increase of height.Fiber length,fiber width and vessel length increase from the root to the top andget theirs maximum value at the length of 17th node to 23rd node and thendecrease.Fiber length and width ratio slightly decreases while vessel widthincreases with the increase of height.

从构造角度来说,竹材胞壁率、单位面积维管束个数、纤维束比量、输导组织比量从基部到到梢部随着高度增加而增加,而薄壁组织比量、单个维管束纤维束面积随着高度增加而减小;纤维长度、纤维宽度、导管长度从基部到梢部随着高度的增加而增加,在第17竹节到第23竹节达到最大值,而后下降,纤维长宽比随着高度的增加而缓慢下降,导管宽度随着高度增加而一直增加。

From the point of microstruction,bamboo volume fraction of bundlesheath,single bundle sheath area,fiber width,cell wall thickness increase withthe growth of age,fraction of cell wall changes like density,increases with thegrowth of age,the 2 age-degree bamboo is the biggest.The reason why 2 age-degree fraction of cell wall more than 3 age-degree bamboo is the former has thegreater fraction of parenchyma;1 age-degree bamboo has the greatest fiberlength,fiber length and width ratio and vessel length.The difference in bamboofiber length,vessel length and width among other age-degrees is not distinct.

从构造角度来说,竹材的纤维束比量、单个维管束纤维束面积、纤维宽度、胞壁厚度随着年龄的增大而增大,胞壁率随年龄变化规律与密度相似,随年龄增大而增大,以2度竹最大,2度竹胞壁率比3度竹大主要由于薄壁组织比量较大所致;纤维长度、纤维长宽比、导管长度以1度竹最大,其它年龄纤维长度、导管形态变化不明显。

Using image processing technology, we analyze the size and shape of cell wall crystal region of bamboo's cross section during entire growth from bamboo shoot to the mature bamboo. Using region segmentation, we study the forming and distributing characteristic of crystal regions of the fiber cap、 proto-sieve 、 thin-walled cell of vascular bundle of bamboo's cross section.

本文应用图像处理技术分析了竹材从竹笋到成竹整个生长阶段横截面细胞壁结晶区的大小及形态,并应用区域分割法研究了竹材微管束横截面中的纤维帽、筛管、薄壁细胞等各部分结晶区的形成过程以及分布特征。

The study and application of counter pressure casting were introduced in China these years.

介绍了近几十年来差压铸造技术在中国的研究进展和生产应用情况,指出差压铸造在生产大型复杂薄壁铝合金铸件方面的优势。

It is found that some tissues of Asparagus whose sense quality and thin cell wall tissues around gas cavity have been influenced under the various processing condition through the experiments.And all these changes are related with the heating time,temperature and being frozen.

通过实验可知在各种加工及冷藏条件下,芦笋的感官质量与组织结构中的表皮、薄壁组织、导管等均会受到影响,而且与加热时间的长短、温度的高低及是否受冻有密切的关系。

The main body of HL Series Electric Chain Hoist is made of high strength Aluminum alloys and formed by precision thin-section casting.

HL环链电动葫芦机体选用高强度铝合金,采用新的薄壁挤压成形精密制造,提高了机体的强度,减轻了重量,减少了体积。

Combined with successful application of cast-in-place concrete GBF thin wall box structure system in residential building works of Shanxi coal central hospital,from formwork,reinforcement work,box installation and allocation,concrete work,construction supervision and other aspects study is made.

1概述GBF薄壁箱体现浇空心混凝土结构体系借鉴了预应力空心板为减轻自重,将板的腹部适当挖空的形式,不同之处在于它是全现浇的,整体性比预应力空心楼盖改善很多,且空心率大很多。与普通楼盖体系相比,该楼盖的自重明显减轻,对结构的抗震有利。

Based on analysis to solidification process, it was proposed a new kind of hot cracking theory which was called theory about solidification contraction and its compensation.

本文针对空心叶片类铸件薄壁和在定向凝固过程中横向收缩受阻的特点,设计了定向凝固合金热裂倾向性薄板工字型精铸试样,并提出了。。。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?