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In the past literature to explore the permanence of such system, the author always assumed the intraspecies density-dependent coefficients of all the species in the system have positive infimum. Obviously, such assumption is far from reasonable in the more superior ecological environment.

以往文献在探讨此类生态系统的持久性时均假设系统内所有种群内部密度制约项系数的下确界恒正,显然此假设在较为优越的生态环境下是不尽合理的。

The area reversed intensively in Late Cretaceous and Paleocene, so as to form a series of fault basins, which created a two-layer structure in the upper crust of the Lower Yangtze area.

这是造成下扬子地区海相古生一中生界油气地质勘探高复杂性、高难度性和高风险性的根本原因,也造就了下扬子区海相烃源岩的二次生烃和晚期成藏的优势。

Here we present a case of 21 year-old male who suffered from recurrent swelling in left side of mandible which had received surgery for ossifying fibroma in another hospital when he was 19 years old. Obvious facial asymmetry was noted but no sensory dysfunctions were detected. The lesion showed well-demarcated, multilocular radiolucency but radiopacity centrally. We applied segmental resection via extra-oral approach and reconstructed with anterior iliac crest bone graft. After removal of MMF in six week, the wound healed well and joint function was good without malocclusion. After follow-up of one year, no recurrences were noted.

本病例为-21岁之男性,在19岁时因为左下颚骨角区肿大在某医院接受外科手术处理,术后病理报告为骨化纤维瘤,因为复发的肿胀而来本院寻求治疗,临床检查并无疼痛及下唇区感觉异常的问题,放射线影像为周界清晰,多腔室放射透过性合并中央放射不透过性之不规则小块,手术方式为从口外颚下切线,做下颚骨片段式切除,并以肠骨脊海绵骨移植修补骨缺损加以颚间固定六周,术后伤口恢复及愈合良好,颚骨关系稳定无咬合异常的情况,无张口受限的问题。

And then obtained under some conditions of probability are some sufficient conditions for moment complete convergence for independent non-identically distributed random elements in a separable Banach space which are stochastically bounded by a positive random variable.

文章在随机元序列随机有界于某非负随机变量的条件下,引入慢变化函数l和选定的函数类S,在一定的概率性条件下,得到B值独立不同分布随机元序列矩完全收敛性的充分条件,推广了有关文献的结果。

With a view of this, we propose the key theorem and discuss the bounds on the rate of uniform convergence...

基于此种考虑,本文提出了样本受零均值噪声影响下的学习理论的关键定理,并讨论了零均值噪声样本下的学习过程一致收敛速度的界。

With a view of this, we propose the key theorem and discuss the bounds on the rate of uniform convergence of learning processes based on ERM principle when samples are corrupted by zero-expect noise.

基于此种考虑,本文提出了样本受零均值噪声影响下的学习理论的关键定理,并讨论了零均值噪声样本下的学习过程一致收敛速度的界。

CuS and CdS nano-particulate films were obtained with these two methods, and some interesting phenomena were observed: under the Gibbs film formed by CTAB, CuS nano-rods were obtained at the oil/water interface, and disklike aggregates of CdS nano-crystals were obtained at both the air/water and oil/water interfaces; under the Langmuir film formed by NaAOT at air/water interface, disk-like aggregates of CdS were also obtained.

利用此两种反应技术,制备了CuS和CdS颗粒膜,并研究了它们的一些光电性质;在Gibbs膜下,得到了棒状CuS纳米晶。由发现的表面活性剂形成的带状物,提出棒状CuS晶体是以带状聚集体为模板形成的;在液-液、气-液界面Gibbs膜下反应中,发现CdS纳米颗粒的盘状聚集体的形成,这是由于表面活性剂在界面上形成的二维胶束而造成的;在气-液界面上Langmuir下的反应中,也发现CdS盘状晶体的生成。

We study the existence of one solution and two solutions of problem(0.0.8)under sign conditions and sublinear growth conditions.

在允许非线性项无界,但是次线性增长的前提下,该章获得了符号条件下问题(0.0.4)的一个解和多个解的存在性。

Proctor walked two in the inning, and the most frustrating of which was a two-out walk given to Curtis Granderson. He fouled off consecutive full-count pitches before ball four, and then Monroe hit a first-pitch slider up in the zone over the leftfield wall.. f7 Q4 t3 x% E ?

f7 F, z5 d '- o$ T- o# D; x 普罗克特保送了两人,其中两出局情况下保送了葛兰德森最让人沮丧;他在满球数的状况下连续把球捞出几界后,等到第四个坏球,接著下来的猛肉逮第一个球,把这个偏高的滑球夯出左外野全垒打墙之外。

Lithologies are mostly sand and carbonate rocks, caps are mud rock, shale and magmatite. Entrap types are anticline, fault block rebuilt by breaking and the screened entrap diapered rock mass. The composition is CO_2, N_2, CH_4, C_2H_6 and He etc. It is magma air source body and its geologic fashions are intrusion and buried volcanic conduit. The relations between gas reservoirs and gas source bodies have three types: magma intrusion-breaking-communicated gas reservoir, magma intrusion-contacted CO_2 reservoir and buried volcanic conduit-contacted gas reservoir. The CO_2 migration in magma intrusion is consisted of fusing and crystallizing phases;it in volcanic conduit is consisted of near-surface effusion and crystallizing phases.The buoyancy of CO_2 in water far more than migration resistance in breaking or chink, CO_2 is easy float upward, the floating can results in differentiation of different density gases and concentration of sealed gas. The gas in sand reservoir firstly migrate into the higher porosity and coefficient of permeability sand, and along with the pressure going up it migrate into the lower. In magma intrusion-breaking-reservoir migration, CO_2 firstly migrate into watered breaking, began gravity differentiation and concentrate, the gas pressure time and again go up, CO_2 migrate into reservoir and concentrate under expansibility as the pressure reach upward a given extend. The CO_2 in reservoir experience four breaking modes: chemistry deposition, dissolution, diffusion and mechanic breaking, the pressure balance can be broken by faulting and the CO_2 will further migrate and form new reservoir.

济阳坳陷已发现的八里泊、阳25、平方王、平南、高青、花17 CO_2气藏主要储集层位有奥陶系、中生界、沙四段、沙三段、沙一段、馆陶组和明化镇组,储集层岩性以砂岩和碳酸盐岩为主,盖层以泥质岩、页岩和岩浆岩为主。;圈闭类型主要为受断裂改造的背斜、断块及刺穿岩体遮挡圈闭。;气体成分主要有CO_2、N_2、CH_4、C_2H_6、He等。;主要气源体为岩浆气源体,气源体的主要地质形式为侵入体和埋藏的火山通道。;气藏和气源体的空间关系有岩浆侵入体一断裂一气藏沟通型、岩浆侵入体-CO_2气储集层接触型和埋藏火山通道-气储集层接触型三种类型。;岩浆侵入体CO_2气运移分为熔融运移阶段和结晶运移阶段,火山通道中CO_2气运移分成近地表喷发阶段和结晶运移阶段。;断裂中,CO_2在水中的浮力远大于运移阻力,CO_2气容易上浮,CO_2在断裂中的易浮性导致不同密度气体的分异和走向上封闭的断裂气体相对富集。;气体在砂岩储集层运移聚集具有选择性,会优先进入孔隙度和渗透率较高的砂岩,随着压力增加,才会进入孔隙度和渗透率较低的砂岩;在岩浆气源体-断裂-储集层空间输导格架下,CO_2气在膨胀力的驱动下,首先进入含水的断裂并重力分异而聚集,气体压力会不断增高,当压力增至一定程度,CO_2气会向高孔隙度、渗透率的储集层运移并聚集。;在岩浆气源体-储集层接触空间输导格架下,CO_2气受膨胀力的驱动直接向储集层运移并聚集。;成藏的CO_2气会经历化学沉淀、溶解、扩散和机械破坏四种破坏方式,会受断裂切割而打破压力平衡,沿断裂进一步运移和聚集成藏。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

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双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。