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The cause of macromastia is not well understood and may be related to the mistakes in gene expression during puberty or pregnancy. There are a lot of researches focusing on the molecular mechanism of breast cancer and lactation, but seldom on macromastia. The size of an organ is determined by the size of the cells and the number of the cells, which depends on cell division and cell death.

巨乳症的成因可能是由於青春期或怀孕期乳房发育基因的表现异常而造成，但目前的研究对此并没有很详细的研究，与巨乳症相关的研究大多集中於病患的心理生理评估及手术方法的比较，乳房发育的相关研究目前都集中於乳癌与泌乳退乳的机制。

It has been found that the cation exchange on diffusivity may play the role in different ways for different zeolites. When the diameter of the diffusant molecule is much smaller than the pore or cage size of the zeolite, the influence of exchanged cations is mainly by way of altering the electric field intensity (or the density of electric charge), the large the Z/r of the exchanged cations, the smaller the diffusivity; while the diameter of the molecule is apporsi- mately equal to the pore or channel size of the zeolite, the exchanged cations may affect the diffusivity by means of blocking up or narrowing the channels of the zeolite.

金属阳离子交换对扩散的影响表现为：当扩散分子的直径比分子筛孔道直径小得多时，交换阳离子以改变分子筛内部电场强度或电荷密度的方式影响扩散速度，阳离子的Z/r越大，扩散系数越小；当扩散分子直径与分子筛孔道直径相近时，交换阳离子则因堵塞或窄化孔道而改变分子的扩散速度。

The size of the gourd largely dictates the overall tone of each berimbau and there a three types, in order of decreasing size and rising pitch: Gunga – the lead berimbau holds a steady base line; Medio; and Viola – upon which the majority of improvised variations are played.

按体积由大到小的顺序（随着体积的减小，音调随之变高）排列，一共有三种不同的Cabaca：Gunga是其中最主要的一个，通常是大师亲自手持，用来演奏歌曲的基准音；然后是稍小的Medio；最小的Viola会被用来产生即兴的小节奏变化。

On PC micro-particle size revealed that higher feed rate, controlling volume ratio of solution to anti solvent, solution concentration to a certain extent and lower crystallization temperature lead to reducing the size and distribution of PC micro-particles produced in the micronization process.

该研究结果表明，反向加入、较快的加入速率、一定的体积比合适的料液质量浓度以及较低的结晶温度均有利于PC的细化。

A solution is to minify the cell size to one third of the original size, with removing fragment units and setting a more strict slope threshold .Thus, the stability can be kept and the developable slope area can be reduced.

解决办法为缩小网格单元，将原本25公尺的规定网目细分为三分之一大小，并采用除碎方法以及提高坡度门槛，如此将仍保有高稳定性，并使可开发面积缩小，以降低山坡地开发之压力。

In this study, 0.94(Bi0.5Na0.5)TiO3-0.06BaTiO3 is a composition within morphotropic phase boundary. It was prepared by solid state reaction method. The dense ceramics with various grain size distributions were prepared by adjusting process. And grain size effect on crystal structure, dielectric, ferroelectric and piezoelectric properties were studied in detail.

故本研究将以固态反应法合成(Bi0.5Na0.5)TiO3-BaTiO3系统中之MPB 组成之0.94(Bi0.5Na0.5)TiO3-0.06 BaTiO3，并利用制程的调整以制备具有不同晶粒大小之致密陶瓷体，再来探讨晶粒大小变化对晶体结构、介电性质、铁电性质以及压电性质之影响。

In the present paper, a theoretical model of the mobility for multidisperse particles is developed. The present model is the extension of the previous theoretical model and the semi-empirical model for the monodisperse partcles. This model includes the influence of particle size distributions and is suitable for all particles with different materials and with different size distributions.

通过理论分析，本文提出了多分散性尘粒电迁移率数学模型；此模型是典型的电迁移率模型和单分散性尘粒电迁移率半经验模型的扩展，它考虑了粒度分布的影响，适用于各种物质的尘粒和各种粒度分布的尘粒。

Senescent cells undergo a number of morphological changes, such as increase in cell size, increase in nuclear and nucleolar size, loss of the ability to utilize all the available growth surface, and appearance of multinucleated cells.

衰老细胞进行了一些形态学改变，如增加细胞大小，增加在核和核仁大小，损失的能力，利用一切可用的增长，从表面上看，和外观的多核细胞。

Then detailedly introduces the principle of pole-changing modulating speed and design feature in times pole proportion and non times pole proportion in the Mixed pole-changing simplex winding multispeed asynchronous motor , carry on discuss to the main parts of electrical machinery electromagnetism computation; by using VISUAL BASIC under WINDOWS platform for computer-aided design method for the mixed pole-changing simplex winding multispeed asynchronous machine, carries on profound analysis for the computer-aided design in the following aspect such as rotor and setting flush piece size, groove shape size, the rotor and setting winding connection, and start performance.

本文在介绍了单绕组多速电动机的概况，阐述了目前多速电机的发展现状与前景；利用槽号相位图以及混相原理对变极绕组进行了研究，确定了绕组的混相方案；并详细地介绍了混相变极单绕组多速电机在倍极比与非倍极比时的变极调速原理以及设计特点；对电机电磁计算的主要几个部分进行了讨论；介绍了使用WINDOWS平台下的VISUAL BASIC对混相变极单绕组多速异步电机的计算机辅助设计方法，对混相变极单绕组多速异步电机的定转子冲片尺寸、槽形尺寸、定转子绕组接法、定转子相带、起动性能的几个方面的计算机辅助计算进行了深刻分析；最后，对混相变极单绕组多速异步电机的样机检测试验结果进行了分析。

PPAR γ agonist displayed obvious renoprotective action,the mechanism was complicated, it could improve the metabolism of glucose ang lipid, depress blood preasure, protect small vessels endothelium,improve the system activity of blood clotting and fibronolysis, antiinflammation, otherwise the action was more obvious with the time passed, at the early stage the effective was better,so encourage the patients to take the medicine earily; when the patients with the mediate reanl function failure, Avandia did not display significantly renoprotective action, side reaction had no difference compared to the control group,was not necessary to regulate the dose of Avandia.But because of the sample size was small, we needed a biger sample to confirm the results. We confirmed that Prol2Ala had no difference in control case,diabetic nephropathy group and diabete group,In diabetic group and diabetic nephropathy group, Ala carriers compared to noncarrier all kinds of biochemical indicators were not different,Prol2Ala did not have association with diabete and diabetic nephropathy. But because of the sample size was small, weneeded a biger sample to confirm the results.

PPARγ激动剂对糖尿病肾病具有明显的保护作用，保护作用的机制是多方面的，除了改善糖脂代谢，降低血压外，还具有保护小血管内皮，改善凝血和纤溶系统活性，抗炎症等多方面的作用，且作用随着用药时间的延长而日趋明显，在疾病的早期应用效果更佳，故提倡早期用药；对伴有慢性肾功不全的患者，罗格列酮对肾脏靶器官的保护作用显现的并不明显，但副作用与对照组无明显差异，不用根据肾功情况调整用药，但由于样本量较小，上述结论尚需大样本进行进一步证实；本实验研究得出Prol2Ala变异在健康对照组、糖尿病组及糖尿病肾病组均无显著差异，糖尿病组及糖尿病肾病组临床各生化指标与Prol2Ala变异亦无相关性，Prol2Ala与糖尿病及糖尿病肾病不相关。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。