In this paper , assuming that horizontal merger creates productive efficiency changes and firms are asymmetric before merger taking place , we explore the conditions that merger is beneficial for firms and examine the conditions that social welfare is increasing as horizontal merger happens 摘要考虑厂商合并后生产效率会变动，本文探讨在不同利润分配规则下，市场占有率大小不等的厂商愿意进行合并之条件，并且分析合并对社会福利的影响。
The diagnosis of gcd must be considered in neonates and young children where us demonstrates bilateral marked renomegaly , increased cortical echogenicity with or without small visible cysts , normal medullary pyramids , and liver lesions not in keeping with periportal fibrosis 肾小球囊性肾病的诊断必须考虑到患者是年龄较小的儿童或新生儿，超声可见双肾显著肿大，肾皮质回声增强，其内可见或没有大小不等的小囊肿，肾锥体回声正常，没有门脉周围纤维化的肝损害。
Secretic granules in b cell are fairly big , cores are various . there is fairly big gap between the core and the limiting membrane ; the center of secretic granules in a cell exist compact core and there is no gap between the core and the limiting membrane ; secretic granules in d cell are too much , electron density of granules is lower , and there is no gap between the core and the limiting membrane , what ' s more , fairly big chondriosome can be seen in the cell B细胞的分泌颗王晓丽尼罗罗非鱼胰岛显微和亚显微结构的研究13粒较大，芯的形态多样，电子密度差异大，芯与界膜之间常有较大的空隙； a细胞分泌颗粒形态不规则，芯的大小不等，界膜与芯之间无空隙； d细胞分泌颗粒较多，芯的电子密度较低，界膜与芯之间无空隙，此外，胞质内可见较大的线粒体。
We found nuclear deformation lymphocytes with increased heterochromatin and impaired thymus epithelium cells with increased lysosomes and deformation of mitochondrias . ( 4 ) effects on mouse liver of so2 challenge : so2 can cause significant liver injury . he staining showed several kinds of necrosis of liver including spot necrosis , focal necrosis and submassive necrosis infiltrated with lymphocytes , monocytes , few neutrophils and eosinophils ; tem observation showed fatty degeneration with dispersion of fatty droplets and dilation of rough endoplasmic reticulums , acid degeneration with significant hyperplasia of mitochondrias , necrosis of hepatocytes with karyorrhexis and other organelles losing their normal structure ( 4 )二氧化硫染毒对小鼠肝脏的组织学结构有明显影响，可引起肝脏点状坏死、灶状坏死甚至片状坏死，伴随不同程度的炎性细胞浸润；透射电镜观察发现二氧化硫可引起肝细胞脂肪变性、嗜酸性颗粒变和坏死，脂肪变肝细胞中可见大小不等的脂滴存在，嗜酸性颗粒变肝细胞中可见线粒体明显增生，坏死肝细胞可见细胞核结构破坏，细胞器减少，细胞膜不完整。
The results of the investigation in forests showed that dastarcus helophoroides adults displayed a core distribution pattern , that belonged to aggegated distribution , and changed to mosaic distribution pattern in a denser population due to the exclusion behavior among the individual in host competition 摘要林间调查和研究表明，花绒坚甲成虫的分布格局为聚集分布中的核心分布型，在群体密度较大时，由于个体间具有竞争寄主的排斥行为，其分布则转变为嵌纹分布；花绒坚甲在进入新的分布区后，首先是建立大小不等的聚集群，再以聚集群体的形式向周围扩散。
At the same time , aroused by the phenomenon that in practice , the number of data is n ' t always large enough but there exist history data , this paper expands aic to the question where each data group comes from an ar ( p ) model ( p known ) and proposes alc ^ r method 有感于实际情况中数据量的大小不等，存在着不满足大样本条件但是却有大量历史数据的待分数据这一现象，将上述方法进一步推广到每一分类均为自回归序列ar ( p ) ( p已知)时的数据分类问题，提出了aic _ ar方法。
The mechanical property of the test sample was improved through heat treatment further . after heat treatment process , the primary strengthening phase y " increased both in the quantity and size . the quantity of phase y " increased to 45 % and the size of them became more uniform ( about 100nm ) as the test sample experienced heat treatment 为了提高成形件的力学性能，对试样进行了热处理，经过热处理后，试样的主要强化相相无论是数量还是尺寸都有显著变化，数量经过热处理后增加到45左右，原始尺寸从大小不等到经过热处理后更加均匀，平均尺寸为100nm 。
In middle and late periods of the early permian , the pre - caspian areas rose successively , the climate became dry , and the environment turned to be supratidal zone ( evaporitic environment ) , resulting in the spread sedimentation of salts and the formation of the salt sediment group ( the upper part of the lower permian ) which consists mainly of halite and anhydrite 早二叠世中后期由于持续构造抬升，盆地气候变得乾旱，海水变浅，潮上带蒸发环境发育，以致这一时期广泛发育盐类沉积，形成含盐层系，主要由盐岩和硬石膏层构成，并形成许多大小不等的盐丘构造。
Sapphire from shandon and hainan commonly have the reaction border , we found out this reaction border enriched with fe , mg , and k by testing its components ; we also studied the inclusion in the sapphire , and found many kc1 crystal grain with variety of size , a melt inclusion enriched with k , si , is also found , this may suggest an assimilationary - magmatic course ; besides that , another minerl inclusions such as enstenite , magnetite , chromite , zircon are also found 3 、观察到了山东、海南蓝宝石普遍存在的反应边，并测试了反应边的成分，证实其以富fe ， mg ，和k为特征；研究了蓝宝石里面的包体，发现蓝宝石里面存在着大小不等的kcl的结晶颗粒，还发现了富k富si的熔浆包裹体，说明其形成过程中有同化混染的贡献；此外还发现了斜方辉石，磁铁矿，铬铁矿，锆石的包体矿物。
Through the rational utilization of the mountainous region , digging the mountain to fill out the ditch properly to form the plain and tableland with no uniform size , more and more residential communities can be constructed with the balance layout of buildings , the appropriate scale , the matching facilities , the perfect function and beautiful environment , which also can promote the health , coordination , sustainable development of city 合理利用山地，适当挖山填沟，形成大小不等的平原台地，建设布局均衡、规模适度、设施配套、功能完善、环境优美的一个个居住社区，从而较好地促进城市健康、协调、可持续发展。
