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Under the vertical load, the strength of rock mass is higher when there is only one group of joint and the dip angle is less than 20 or higher than 80; When dip angle is between 20 to 80, the strength of rock mass is much lower, it is smallest when dip angle is about 50, and it is lower when this kind of dip angle is in combination with other angle.

7在铅直向荷载作用下,岩体中只存在一组倾角小于20°或者大于80°时,岩体的强度相对较高;当岩体中存在一组节理的倾角在20°~80°间时,岩体的强度值很小,而且在与其他倾角的节理组合时,岩体的的强度值变化不太大,特别是当节理倾角为50°左右的时候,岩体的强度相对最低。

Took Chongqing Gong-he tunnel as an engineering example and studied the failure mechanism of surrounding rock and the correlation with bolt support system by using the methods of theoretical analysis, modeling test, numerical simulation and in situ test, some helpful conclusions were arrived as follows.Firstly, a new failure criterion for transversely isotropic rock mass was proposed with consideration of bedding plane orientation and major principal stress, and the corresponding algorithm, arrived through VC++6.0, can be easily embedded into the software FLAC3D for the geotechnical calculation.

论文在国家自然科学基金专项基金创新群体基金项目(No.50621403)以及国家自然科学基金重点项目"隧道与地下空间工程结构物的稳定性与可靠性(No.50334060)"的资助下,以共和隧道为示范工程,运用理论分析、物理模型实验、数值模拟和现场测试等手段,对共和隧道大埋深段层状岩体的围岩变形破坏机理、锚杆支护力学效应及围岩-支护结构的变形特征等内容进行了研究,其主要研究成果有:①在总结和探讨国内外学者提出的层状岩体经验型连续介质破坏准则基础上,结合层状岩体力学特性,考虑层面方向和最大主应力方向两个影响因素,提出了共和隧道层状岩体横观各向同性破坏准则;采用汇编语言VC++6.0实现了横观各向同性弹塑性本构关系的算法,并嵌入FLAC3D有限差分数值分析软件接口中实现数值运算。

The results are as follow:(1) In static status, the velocity of jet flow shows a symmetry distribution through central axis of enclosure.

结果表明,腔体静止时,射流速度沿腔体中心轴对称分布,腔体中心轴上的速度最大,两侧流速逐渐减小,近壁处为零;腔体转动时,在哥氏力的作用下,射流中心发生偏转,流场相对于腔体中心轴不再对称分布,腔体中各点处的流速分布随角速度而变化,压电射流角速度传感器利用这一特性敏感角速度。

It indicates that the N—O bonds in the singlet dimer adsorption configurations are weaker than any other structures, and this is propitious to the NO direct decomposition. 7. Unlike NO molecules interaction with copper atoms, when two NO molecules interact with the adjacent silver atoms, the non-planar structures are more stable than the planar.

同时,单重态的二聚体与相邻的金属铜和银原子作用时,由于电子从金属原子转移到二聚体上的数量最多,因此在这种吸附构型中,金属原子被离子化的倾向最大,同时使得二聚体中N—O键被削弱的程度也最大,有利于NO的直接分解; 7。

We employed HPLC to measure the metabolites of caffeine in the whole blood and calculated the ratio be between the metabolite and caffeine, which was used as index to evaluate the effect of Qingkailing injection on rat CYP1A2 activity in vivo ; We also detected the CYP1A2 and CYP2D6 activity in microsomal reconstituted system by analysis of phenacetin metabolism and dextromethorphan metabolism with HPLC.

通过HPLC法测定全血中咖啡因的代谢率,观测清开灵注射液对大鼠CYP1A2活性的影响;通过HPLC法测定大鼠肝微粒体重组系统非那西丁的代谢比率,确定清开灵注射液对大鼠肝微粒体CYP1A2亚型的作用;测定大鼠肝微粒体重组系统右美沙芬的代谢比率,确定清开灵注射液对大鼠肝微粒体CYP2D6亚型的作用。

The results showed that there existed variation among eucalypt families in wood physical-mechanical properties and wood chemistry. There were significant differences among E.pellita families、E.grandis families and E.urophylla譋.grandis clones in wood colors as well as between Strains and within trees.The variation of the surface wetability of wood between E.grandis families and E.urophylla譋.grandis clones were significant.Even in the same families level or clones level,there still existed the same regulation. The degree of collapse of eucalypt had a large relation in the amount of tylosis in vessel and vestured pits on the cell wall of vessel. The more rich tylosis and vestured pits in vessels,the more probability to occur collapse for eucalypt.The biggest moment collapse was probably the critical point of the drying degrade.During the fomulation of drying technology,it is necessary to adopt moderate condition to make the vessels which had formed the biggest moment collapse at the biggest moment collapse resume,especially to prevent the permanent set.At the normal temperature level,the main factors which influenced residual collapse were the contents of ray parenchyma and axial parenchyma .Nearly all the cells joined the course of forming the moment collapse and biggest moment collapse.Interval drying was fit for eucalypt plantation which was easier to make collapse.

研究表明:桉树不同家系间木材物理力学性质和化学组成存在差异;粗皮桉家系间、巨桉家系间、尾巨桉无性系间材色存在显著差异,株间、株内木材材色存在变异;桉树木材表面润湿性在巨桉家系间、尾巨桉无性系间存在着显著差异,在同一家系或同一无性系中,株间和株内也存在着相同的变化规律;桉材皱缩程度与其导管中侵填体的多少和导管壁上纹孔具有的附物多少密切相关,侵填体含物越丰富,纹孔附物越多,桉材越容易皱缩;最大瞬间皱缩是能产生更大干燥降等的临界点,在制定干燥工艺时,必须在最大瞬间皱缩发生时,采用温和条件,使已产生最大瞬间皱缩的细胞尽可能多的恢复,尤其不能使其产生永久变定;在常温条件下,影响残余皱缩的主要因子是射线薄壁细胞和轴向薄壁细胞含量;而对于瞬间皱缩和最大瞬间皱缩,几乎所有细胞都参与它们的形成过程;对于易皱缩的桉树木材,间歇干燥是最有前途的干燥方法。

The delay time of vertical coseismic deformation have positive linear relationship with ep...

断层体垂直向同震形变延迟时间与震中距线性正相关,发生地震同震形变的响应速度约为5.5km/s,反映了在上层花岗岩地层中面波的传播速度;同震位移最大振幅和震中距的对数、震级之间具有明显线性关系,震级越大,同震位移的最大振幅越大;地震震级是断层体垂直同震形变振动持续时间的主要影响因素,震级越大,同震形变振动持续时间越长。

According to the morphological characteristics of cementite lamellae, the deformed pearlite can be divided into three kinds: irregularly bent lamella (pearlite lamella originally inclined with large angles to the rolling plane and irregularly bent after deformation); coarse lamellae with shear-band (the rhomboidal blocks of weakly deformed lamella bounded by shear band) and fine lamella (heavily deformed lamella aligned parallel to the rolling direction with fine interlamellar spacing).

按渗碳体形态特点,变形珠光体组织可分为以下3种类型:(1)不规则弯曲片层型,即变形后的渗碳体与轧制面呈大角度偏离且不规则弯曲的珠光体。(2)带有剪切带的粗大片层型,即被渗碳体剪切带分开且变形轻微的珠光体。(3)精细片层型,即与轧制方向平行排列、片间距细小且渗碳体严重变形的珠光体。

It was important for us that the solution be uncontroversially free so that other distributions might adopt it; many had already rejected these for GPL incompatibility reasons.

对於自由软体社群而言、新的软体专案的性质可否被验证为具有「高度软体自由性」一事非常重要,若是限制过多或是条款内容过於繁复新颖,则软体社群取用的机率就大为降低(另一方面来看、对这个新专案进行除错增补的机率也是大为降低),是以很多情形下、某些新的自由软体专案不为自由软体社群所接纳采用,最大的原因并非其程式编写技术粗略,而很可能是因为其与GPL授权条款无法相容而根本上就被大多数的自由软体开发者拒绝取用。

Based on the measure of sand geometry in M Block and comparison of results calculated with Spherical, Exponential and Gaussian Model, it is concluded that different variogram models get very different variogram range in major and minor direction.

在详细解剖M油田的砂体几何形态的基础上,对比分析球模型、指数模型和高斯模型的计算结果,3种模型计算的变差函数长变程误差15%,短变程误差25%,方向也不一样;同时运用不同模型计算的砂体体积亦有较明显的差别:砂体越发育,砂体连通性越强,不同模型计算的砂体体积相差越小;砂体越不发育,砂体连通性越差,不同模型计算的砂体体积相差越大。

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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?