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In this paper,at first we transformed the nonlinear elliptic system of 2m first order equations into the complex form, then by use the results on the Riemann-Hilbert problem for nonlinear elliptic complex equation of first order, the method of continuity, the Schauder fixed-point theorem and the Leray-Schauder theorem, we proved that the modified Riemann-Hilbert boundary value problem for the complex system with some conditions is solvable.

本文先将较一般的多个未知函数的一阶椭圆型实方程组化为复方程组,然后讨论这些复方程组在某些条件下的一些边值问题的可解性。这里所考虑的方程组既包含线性的,也包含非线性的,比广义超解析函数所满足的方程组还要广,又本文主要研究较一般的Riemann-Hilbert边值问题,先给出这种边值问题解的先验估计式,然后用参数开拓法及Leray-Schauder定理证明这种边值问题的可解性结果。

MethodsⅠMaximal electroshock seizure was adopted to analyse the relative of dose and effect, relative of time and effect, including maximal efficacy and potency of these five extractives in mice given by ig administration.ⅡMetrazol seizure test was used to compare seizure latency, anticonvulsant rate and mortality of mice with every extractives.ⅢPharmacodynamic parameters of five alcoholic extractives were assayed by means of Pharmacological Effective Method.ⅣUsing the model of seizure rats induced by penicillin localized injected in cortex,we studied the effect of extractives on seizure latency, frequency of epileptiform discharge, highest wave of hippocampus EEG(Recoded by RM6240C multichannel physiological signal collection and analysis recorde), the changes of convulsant behaviors and the latency of seizure.

方法①采用最大电休克惊厥模型,分析灌胃小鼠各药的量效和时效关系,比较其效价强度和效能;②采用戊四唑惊厥模型,比较ig小鼠各药的惊厥潜伏期、抗惊厥率和死亡率;③采用药效法,运用数学模式及参数来模拟各药在体内的药效动力学过程;④制备大鼠皮层定位注射青霉素点燃模型,采用RM6240C型多道生理信号采集处理系统记录脑电图,比较ig各药对痫性发作潜伏期及发作程度、痫性放电潜伏期、痫波发放频率及最高波幅的影响;⑤采用HPLC法测定海马区癫痫相关递质的含量,比较各药对Glu、Asp、Gly、GABA的影响。

Research background: Choroidal neovascularization is a common cause of vision loss in patients, which often resulted from exudative Age-related macular degeneration、 pathologic myopia、 central serous chorioretinopathy、ocular histoplasmosis and angioid streaks, Rarely, CNV is seen in children, usually in association with inherited macular dystrophies. Despite extensive basic and clinical research, our knowledge of the complicated molecular mechanism of CNV is still limited, for these reasons currently used therapeutic approaches are insufficiently effective.

课题研究背景:脉络膜新生血管(choroidal neovascularization,CNV)是导致视力丧失的一种常见原因,多继发于渗出型年龄相关性黄斑变性、近视性黄斑变性、中心性浆液性脉络膜视网膜炎、眼组织胞浆菌病和眼底血管样条纹等眼病,在儿童罕见,主要与遗传性黄斑营养不良有关,尽管近年来进行了大量的基础和临床研究,但对CNV复杂分子机制的认识仍然非常有限,因此目前的治疗措施都不尽如人意。

A theorem of the alternative for the generalized subconvexlike set-valued maps is established using the separation theorem of convex sets in a Banach spaces, the concept of weak Benson proper efficient elements for a vector optimization problem is introduced, and the optimality necessary and sufficient Lagrange conditions for a vector set-valued map constrained optimization problem with the weak Benson proper efficiency is developed, with which the optimality Lagrange conditions for a nonconvex vector top-base constrained optimization of set-valued maps with the Benson proper efficiency are obtained.

刘莹 ,刘三阳,盛宝怀运用凸集分离定理对广义锥次类凸集值映射建立了一种择一性定理。引入向量优化弱Benson真有效元的概念,对带约束的非凸向量集值优化问题建立了在弱Benson真有效意义下有效元应满足Lagrange乘子型的必要及充分条件,并用这一结果建立了多目标主从非凸向量集值优化在弱Benson真有效意义下最优解的Lagrange乘子型充要条件。

Intralobar pulmonary sequestration usually present as multiloculated cyst containing fluid and/or air, or irregular mass in CT scan, multi-slice CT angiography and 3D reconstruction can depict supplying artery and draining vein clearly, so it could be an ideal modality for evaluating this condition.

叶内型肺隔离症多表现为下肺基底段的多房液气囊腔或者不规则团块,多层螺旋CT血管造影及三维重建能清晰显示供血动脉及回流静脉,是一种理想的无创性检查方法。

The experimental results proclaimed:the foamability and the foam stability of ionic surfactant system was qualified than nonionic surfactant system; and if the surfactant molecule was voluminous or the hydrophobic tail had many embranchments, the foamability and the foam stability were scrannel.

实验结果表明:离子型泡沫剂的发泡能力和泡沫稳定性要高于非离子型泡沫剂,对于同一类型的泡沫剂,分子体积庞大或者疏水链上有较多支链的泡沫剂的起泡性和稳定性差。

Results Traumatic moist lung mostly occurred in bilateral pulmonary middle-inferior field of traumatic side or opposite side ,of them ,interstitial pattern was found in 18 cases,segmentary consolidation pattern in 9 cases,diffuse consolidation pattern in 7 cases,and cloud pat...

结果创伤性湿肺多出现于伤侧或双侧中下肺野,表现为间质型18例,节段实变型9例,弥漫实变型7例,云雾型9例。

Results 7 cases were probably diagnosed as multipe system atrophy, among which 5 cases were MSA-C, 2 cases were MSA-P; 3 cases were progressive supranuclear palsy.

结果 诊断多系统萎缩-C型5例,MSA-P型2例,进行性核上性麻痹3例。

The proportion of rents that firms get depends on their network capability. This reveals the essential relationships between network resource, network rents and network capability: First of all, network rents come from the network resources. Furthermore, network rent is the representative of the competitive advantage and the value of the network resource. Second, network resource is the foundation of the network capability, the function of network capability is activated in the process of using network resource by firm. It enables the network resource to be a potential value resource of the competitive advantage. At last, network capability activates the network rents in the network resource, and make sure that the firm get the additional benefit;(4) the network capability can be classified as: network visioning capability, network constructing capability, network operating capability and network constructing capability. Some factors, such as maturity of IT, openness of culture, management system involved, experience of participation in network, have a positive effect on the network capability of the firm;(5) the impact of network capability on innovation performance is realized through knowledge transfer between network partners, namely, knowledge transfer is the mediator; and (6) the type of innovation network, exporation network or exploitation network, has moderator effect on the relationship of network capability and knowledge transfer, and network capability and innovation performance as well. In the exploration network, network constructing capability has more effect on the performance of the knowledge transfer and innovation. In the exploitation network, network operating capability has more effect on the performance of the knowledge transfer and innovation.

通过对创新网络环境下网络资源、网络租金和网络能力的概念界定和内涵分析,本研究辨析了三者之间以及它们与竞争优势之间的本质关系:首先,网络资源是网络租金的来源,而网络租金是企业竞争优势的表征,也是网络资源的价值体现;其次,网络资源是网络能力的基础,而网络能力在运用网络资源的过程中发挥其作用,实现了网络资源成为竞争优势源泉的内在价值;最后,网络能力激活了蕴涵在网络资源中的网络租金,并确定企业获得这种额外收益的份额,网络租金正是网络能力发挥作用的成果;(4)企业网络能力可以分成网络规划能力、网络配置能力、网络运作能力和网络占位能力四种,本研究的实证结果表明企业的IT成熟度、文化开放度、网络管理体系和网络活动经验都能够正向影响企业的网络能力水平,因而企业可以通过改善上述各种因素的水平来实现提升企业网络能力的水平;(5)企业网络能力对企业创新绩效的促进作用更多地是通过正向影响知识转移实现的,即知识转移在其中起到了中介作用;(6)创新网络的类型,即探索型创新网络和利用型创新网络,分别在网络配置能力和网络运作能力与知识转移之间的关系中,以及在网络配置能力和网络运作能力与创新绩效之间的关系中起到调节作用,在探索性创新网络中,企业的网络配置能力对提升企业获得的知识转移绩效和创新绩效更为重要;而在利用性创新网络中,企业的网络运作能力对提升企业获得的知识转移绩效和创新绩效更为重要。

The principal synoptic systems of impacting snowfall in the early winter were the combinations of the westerly and south-to-north trough, moving plateau trough, plateau low pressure, plateaushear line, Bangladesh Bay storm; the configuration of the 850 hPa temperature anomaly field of the southern and middle Asia in the typical snow-abundant/scarce year on the plateau was "positive in the south and negative in the north", while the anomaly distribution of 500 hPa on the plateau and the eastern coastal area was "low in the west and high in the east".

结果表明:青海南部地区初冬降雪量呈缓慢减少的变化趋势,平均积雪量变化与年及其它季相比,呈微弱的减少趋势,平均积雪量与气温呈反相关,而与降雪量呈正相关;影响青海南部地区初冬降雪的主要天气系统是西风带南北槽结合类、移动性高原槽类、高原低涡类、高原切变类、孟加拉湾风暴类;典型多雪年高原及南亚与中亚地区850 hPa 温度距平场配置为&南正北负&型、500 hPa 高原与东部沿海地区距平分布为&西低东高&型。

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推荐网络例句

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说,如果是/否的问题回答f可看的价值观念在许多最有限坐标,然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明:基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小,它既能去除奇异点,又能保持图像中目标的边缘不变性,具有很好的滤波效果。

It explains in detail how the methods of elicitation, discussion, and induction are to be used in the physics teaching.

本文根据心理学原理论述了改革初中物理教学的必要性,并对"启发、讨论、归纳法"在物理教学中的应用作了详细的阐述。