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For example, the roll elastic deformation breaks the statically determinate condition of roll system in duo mill, and this is the main reason of bearing longevity shortening and burning accident; in aluminium foil four-high mill roll system with a 1 mm gap, the ideal position kept by a 3 mm offset is out of effect, some phenomenon such as chock horizontal vibration, gyroscopic effect and micro dimensional dynamic cross happen in fact rolling process, abnormal super and partial load resulted by these is the main reason of the end thrust bearing accident; the thermal deformation of mill roll system accompanying the temperature raising not only changes the roller track age of rolling bearing, but also results a micro dimensional slow dynamic inverse cross that counteracts the gyroscopic effect in a degree.

如二辊高刚度轧机轧辊的弹性弯曲微尺度行为，破坏了辊系机构杆系的静定条件，成为轧机轴承短寿烧损的主要根源；铝箔四辊轧机只具有1mm的有隙辊系，凭借设置3mm偏移距和轧制力平衡产生的水平力以保持轧辊理想定位失去效用，却发生轴承座水平振动现象、陀螺效应和动态交叉微尺度行为，成为止推滚动轴承异常超偏载导致短寿烧损的主要根源；轧机辊系的伴随升温产生的热变形，不仅改变了滚动轴承滚道轮廓，还引起运动副内慢变动态反交叉微尺度行为，抵消陀螺效应的部分动态交叉角度。

The equations for the helicoid and cross section of a ballscrew are worked out and a numerical integral method for the computation of the moment of inertia of the cross section is proposed.

建立了滚珠丝杠的螺旋面方程及横截面方程，提出一种精确计算滚珠丝杠横截面惯性矩的数值积分法，计算结果表明，传统的简化方法将造成20％以上的计算误差。

Based on the model of stiffened plates with concentrated added mass, a study of the stochastic vibration was carried out, and system's mean value, mean square value, cross-correlation function, cross-spectral density function were calculated.

从带有附加集中质量加肋板的力学简化模型出发，推导给出了该模型的随机功率谱密度，并分析了系统随机振动响应的其他统计数字特征：均值、均方值、互相关函数和协功率谱密度。

Phosphate porous starch and PVA were cross linked by methenamine and boric acid Crystal area was serious destroyed by esterification and cross linked. 6 Biodegradation experiment was carried out with soil-burying method.

5红外光谱和X-射线衍射的结构分析表明：在改性淀粉的羟基上引入了磷酰基团，并未破坏原淀粉的基本化学结构；交联剂在改性淀粉和PVA之间形成了C-O-C化学交联键；酯化和交联反应均有较强的淀粉晶区破坏作用。

Cross stitch is the first taken out from the cocoon of silk animal fur in the line of embroidery on fabric, which in many countries, Cross stitch was used to decorate clothing and furniture, as a result of various countries with different cultural, as time goes by To form their own style, whether it is Spiraea, color or texture of fabrics, special ingenuity.

最早的十字绣是用从蚕茧中抽出的蚕丝线在动物毛皮的织物上刺绣，这种十字绣在许多国家被人们用来装饰衣服和家具，由于各国的文化不尽相，随着时间的推移，形成了各自的风格，无论是绣线，面料的颜色还是材质，都别具匠心。

Monitoring mixes the sneaks in or out of a country that leaves the big range area such as subtense condition for real low now specific power consumption and less investment to call the police automatically, designed a kind to use the supervisory system of cross the boundary illegally of cross the border of the technology such as short message business, infra-red laser.

梗概： 为实现在低能耗和较少投资下对边境等大范围地区的越境监控和自动报警，设计了一种采用短信业务、红外激光等技术的越界越境监控系统。

In order to discuss the possibility of torpedo(diameter: 534 mm) swim-out launching by the submarine torpedo tube in service, an interior trajectory model was set up in consideration of different resistances and the fact that the area ratio of the circular clearance cross-section of torpedo tube in service to the torpedo cross-section is small. The pressure difference of seawater compensation was defined and added to the model as a resistance parameter, and the launching process was analyzed.

为探讨现役潜艇鱼雷发射管自航发射534口径鱼雷的可能性，针对现役发射管环形间隙截面积与鱼雷横截面之比较小的实际情况，综合考虑了各种阻力的影响，分析了等截面管自航发射过程，定义并引入了补水压差作为阻力因素，重新建立了内弹道模型。

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例，测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛，分析了水对处理木材结晶度及内部凝聚力的影响；通过未处理和两种处理木材在不同温度水中的连续应力松弛测定，应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量，分析了在水中松弛过程中不同阶段木材内部发生的化学反应；并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量，明确了交联反应的类型；为了了解干燥对处理木材塑性变形固定的影响，测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛，分析了温度变化对处理绝干木材应力松弛的影响；根据多个温度水平下的连续应力松弛测定曲线，计算松弛过程的热力学量，考察了绝干木材在松弛过程中内部发生的分子变化机理，同时也用间歇法定量了木材内部新形成的架桥量，并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

It was of no avail that the pavements of Paris were there on every side, the classic and splendid hotels of the Rue de Varennes a couple of paces away, the dome of the Invalides close at hand, the Chamber of Deputies not far off; the carriages of the Rue de Bourgogne and of the Rue Saint-Dominique rumbled luxuriously, in vain, in the vicinity, in vain did the yellow, brown, white, and red omnibuses cross each other's course at the neighboring cross-roads; the Rue Plumet was the desert; and the death of the former proprietors, the revolution which had passed over it, the crumbling away of ancient fortunes, absence, forgetfulness, forty years of abandonment and widowhood, had sufficed to restore to this privileged spot ferns, mulleins, hemlock, yarrow, tall weeds, great crimped plants, with large leaves of pale green cloth, lizards, beetles, uneasy and rapid insects; to cause to spring forth from the depths of the earth and to reappear between those four walls a certain indescribable and savage grandeur; and for nature, which disconcerts the petty arrangements of man, and which sheds herself always thoroughly where she diffuses herself at all, in the ant as well as in the eagle, to blossom out in a petty little Parisian garden with as much rude force and majesty as in a virgin forest of the New World.

巴黎的铺石路白白在那一带围绕，华伦街上的那些典雅富丽的府第相隔才两步路，残废军人院的圆顶近在咫尺，众议院也不远，勃艮第街上和圣多米尼克街上的那些软兜轿车白白地在那一带炫耀豪华，驶来驶去，黄色的、褐色的、白色的、红色的公共马车也都白白地在那附近的十字路口交织奔驰，卜吕梅街却但是冷清清的；旧时财主们的死亡，一次已成过去的革命，古代豪门望族的崩溃、迁徒、遗忘，四十年的抛弃和寡居，已足使这个享受过特权的地段重新生满了羊齿、锦葵、霸王鞭、蓍草、长茅草，还有那种叶子宽大、颜色灰绿、斑驳的高大植物，蜥蜴、蜣螂、种种仓皇急窜的昆虫，使那种无可言喻的蛮荒粗野的壮观从土壤深处滋长起来，再次展现在那四道围墙里，使自然界？？阻扰着人类渺小心机的、随时随地在蚂蚁身上或雄鹰身上都肆意孳息的自然界，在巴黎的一个陋劣的小小园子里，如同在新大陆的处女林中那样，既犷悍又庄严地炫耀着自己。

The paper reviews the development in the analytical theory of mechanical behavior of composites, pointing out the problems existed, presenting creatively the concept of yarn state, solving the descriptive problem of perform structure of any woven composites and laying the foundation for predetermining the elastic behavior of 3-d woven composites with computer. On the basis of yarn state, the relative cross section deformation theory is introduced, the yarn cross section deformation is studied, and the experiential formula is described in the paper on the basis of experiment. The crimping state of yarn is studied, the classical "straight warp view"is modified, and the crimp height value of crimped yarn is studied. At the same time, with shrinkage rate sine method, the paper proposes the idea which imitate the shape of crimped yarn. With the third power template curve, the paper describes the microgeometry structure of fabric, finding a brief and precise approach for the calculation of mechanical behavior of composites.

本文回顾了复合材料力学性能分析理论的发展，指出了存在的问题，创造性地提出了纱态概念，解决了任意结构机织复合材料预制件结构表征问题，进而为用计算机预报三维机织复合材料的弹性性能打下了基础；基于纱态概念，提出了相对截面变形理论，研究了纱线截面变形情况，在实验的基础上给出了纱线截变经验公式；研究了纱线屈曲状态，修正了传统的&地经纱直线论&，提出了以纱线缩率研究屈曲峰谷值的思想，同时以三次样条曲线拟合了纱线的卷曲形状，较好地描述了织物的细观几何结构，为复合材料力学性能的计算找到了一条既比较简便又比较精确的途径。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。