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The responses properties of coupled vibrations for 120° and 180°asynchronous juxtaposition of 200MW turbine-generator set were analyzed. The results show that the responses properties of flexural and torsional vibrations caused by 120° asynchronous juxtaposition are similar to that of 180° asynchronous juxtaposition. When the fault happened, Former two steps inherence frequencies and whirl speed frequency of torsion are excited. And the first step inherence frequencies of flexural vibration are also excited besides whirl speed frequency. Transient electromagnetism moment peak, torsional and torsional moment responses caused by 180° asynchronous juxtaposition are lower than that of 120° asynchronous juxtaposition.

利用该方法,针对某200MW汽轮发电机组的120°和180°两种非同期并列情况,进行了机组弯扭耦合振动响应特性研究,分析表明:汽轮发电机组的120°和180°两种非同期并列情况下的弯振和扭振响应特性基本相似;非同期并列主要激发出工频和前两阶固有频率扭振,弯振除工频主分量外,第一阶固有频率也被激发出来;180°非同期并列时的暂态电磁力矩峰值比120°非同期并列时低,相应的扭振和扭矩响应也小于后者。

The modal properties including modal frequencies and mode shapes of the torsional oscillation system were calculated and analyzed with eigen analysis and impedance matching method.

用特徵分析和阻抗匹配方法对系统各个模态固有特性包括固有频率和振型进行了对比计算和结果分析。

In ground testing research of some large airplane and aerocraft, suspend structure of sky need to be simulated. As a lower natural frequency and a good underprop, air spring can satisfy the need of the testing research. In this paper, a calculating model of air spring was built by ABAQUS.

一些大型的飞机,航天器等在做地面试验的时候,需要模拟空中的悬浮结构,由于自身的固有频率比较低,所以需要更低固有频率的支撑物,而空气弹簧正好可以满足试验的需要。

The nature has its regular circulation that includes a series of links, such as unregenerate resource.

自然界本身存在着自己固有的循环,这种循环包含一系列环节,其中就包括不可再生资源,市场经济生产既然以对它的开发为前提,这就为打破自然界的固有循环形成环境危机提供了可能。

The distribution of gear's contact stress, root stress, and contact engagement line in the engagement situation of gear pairs, were obtained on the base of explicit integration method. 3. Adopting the method of system matrix, the torsional vibration differential equation of general shafting was gained. The simple harmonic forms of excitation torque under the normal combustion or piston flameout of in-line engine and v-type engine were analysed. The decoupled algorithm of free vibration and forced vibration and the solution to the vibration damper's energy of resistance and the off-resonance calculation were studied. The sensitivity formulations of the natural frequency and vibration mode to physical parameters of system were derived by solving the eigenvalue problem. These sensitivity formulations provided the theoretical base for the dynamic modification of structure.

运用系统矩阵法建立了轴系的扭振微分方程,并对直列和V型发动机在正常发火和气缸熄火工况下的激振力矩进行了详细的简谐分析;基于精确方法推导了自由振动和强迫振动的解耦算法,给出了能量法计算中的减振器阻尼功求解和非共振计算方法;并研究了曲轴系扭振非线性分析中的变惯量问题,得到了单缸转动惯量的精确求解公式以及变惯量和固有频率的关系式;最后,从特征方程和振型正交性出发,推导了固有频率和振型对轴系转动惯量和刚度等物理参数的灵敏度,为扭振系统的结构动力学修改提供了理论基础。

On one hand, the collection provides a positive pursuit of man's such inherent qualities as the creative spirit in Mending the Heavens and the vindicative spirit in The Forging of Swords; on the other hand, it traces the negative causes of the deprivation of man's inherent nature: Vetchpicking, off the pass and The Revival all give play to the alienating influence of "culture"on man's natural instinct-there is tension between them, yet they complement each other, interact, and, as a whole, manifest the motifs of human culture.

一方面,《故事新编》在正面意义上展开了对具有人类性的人的固有之血脉的追寻,诸如《补天》中表现的创世精神和《铸剑》中表现的复仇精神;另一方面,《故事新编》在负面意义上展开了对导致具有人性类的人的固有之血脉丧失的追溯,诸如《采薇》、《出关》、《起死》等作品中展示的"文化"对人的自然本性的"异化"——二者形成内在的张力,前者强化后者,后者强化前者,在相互作用又互为补充,相辅相成,在整体上表现人类文化母题。

Because of the unique authorities and responsibili- ties inherent in the Contracts Officer's warrant authority, the Contracts Officer reports to the Team Leader for all DART activities except those inherent to the warrant.

因为合同官授权的唯一性和固有责任性,他们向团队领导人报告所有的灾难援助反应队行动,除了授权中固有的部分。

In the journey from the passive stereotype to a more positive, more complex view of the black woman as she appears in American literature, Zora Neale Hurston's work is transitional. It marks the beginning that the black woman image goes from stereotype to character.

在对黑人妇女形象的描写由被动的固有模式走向更为正面、更为复杂,以其真实的面貌展示于美国文学的历程中,佐拉·尼尔·赫斯顿的作品具有过渡性的作用,它标志着黑人妇女形象由固有模式转向个性化的开始。

If qualia are intrinsic or non-intentional, this will be a substantive rather than a definitional point (so the claim that the properties of consciousness are nonintrinsic or that they are wholly intentional should not be taken to entail that there are no qualia).

如果感受质是固有的或非意向的,这会是实质的而不是定义的(所以,主张&意识的属性是非固有的或都是意向的&不会被认为蕴涵&不存在感受质&。

CD8~+ cell is the main T lymphocyte subset in spleen, and B lymphocyte mainly is IgG~+ cell, moreover the amount of these B lymphocytes could exceed CD3~+ T lymphocyte subset after 7 days. CD8~+ cell is the main T lymphocyte subset in tonsil of appendix, and B lymphocyte is IgM~+ cell, and the amount could exceed CD3~+ T lymphocytes after 35 days. After 21 days, B lymphocytes in esophago tonsil are the main IgA~+ cells and the amount exceeds CD3~+ lymphocytes. The amount of CD4~+ lymphocytes is more than CD8+ lymphocytes.4. CD3~+、CD4~+ and CD8~+ T lymphocytes in spleen mainly distribute in periarterial lymphoid sheath. However IgM~+、IgG~+ and IgA~+ cells mainly distribute in ellipsoid periarterial lymphoid sheath and germinal center. T lymphocytes in appendix tonsil mainly distribute in middle and inferior part of mucous and the B lymphocytes mainly in middle and mucous between 4~7 days. Whereafter T, B lymphocytes equably distribute in mucous. CD4~+ cells arrange tightly and mainly occupy the central part in aggregates of T lymphocytes in esophago tonsil and CD8~+ lymphocytes mainly distribute in periphery. Meanwhile B lymphocytes encircle the periphery of aggregates of T lymphocytes. The aggregates of B lymphocytes is mainly the germinal center with lots of IgM~+、IgG~+ and IgA~+ cells. Meanwihle T lymphocytes encircle the periphery of aggregates of B lymphocytes.5. There is an intimate relationship between the development of tissue structure of peripheral immune organs and lymphcytopoiesis. The maturation of tissue structure is stimulated by the immigration of lymphocytes and the mature tissue structure provides place where lymphocytes grow mature and functionate.

脾脏在21日龄时达到稳定,食管扁桃体和盲肠扁桃体均在35日龄时达到稳定;脾脏中T淋巴细胞亚群以CD8~+细胞为主,B淋巴细胞则以IgG~+细胞为主,并在7日龄后数量超过CD3~+T淋巴细胞;盲肠扁桃体中T淋巴细胞亚群以CD8~+细胞为主,B淋巴细胞以IgM~+细胞为主,并在35日龄后数量超过CD3~+T淋巴细胞;21日龄后,食管扁桃体中B淋巴细胞以IgA~+细胞为主,数量超过CD3~+细胞,CD4~+细胞的数量多于CD8~+细胞。4、在T、B淋巴细胞组织定位方面,脾脏中CD3~+、CD4~+和CD8~+T淋巴细胞主要分布在动脉周围淋巴鞘中,而IgM~+、IgG~+和IgA~+细胞主要分布在椭球周围淋巴鞘和生发中心中;4~7日龄时,盲肠扁桃体中T淋巴细胞主要分布在粘膜固有层的中下部区域,而B淋巴细胞则主要分布在中上部区域,随后各日龄T、B淋巴细胞均匀地分布在粘膜固有层中;在食管扁桃体的T淋巴细胞聚集物中,CD4~+细胞紧密排列,主要占据中央部位,CD8~+细胞主要散布在外周,同时B淋巴细胞又环绕在整个T淋巴细胞聚集物的外周;B淋巴细胞聚集物主要为生发中心,其中存在大量IgM~+、IgG~+和IgA~+细胞,同时T淋巴细胞又环绕在整个B淋巴细胞聚集物的外周。5、外周免疫器官的组织结构发育和淋巴细胞发生之间存在密切的关系,淋巴细胞迁入淋巴器官刺激组织结构的发育成熟,同时成熟的组织结构又为淋巴细胞发育成熟并行使功能活动提供场所。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。