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estimate相关的网络例句

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与 estimate 相关的网络例句 [注:此内容来源于网络,仅供参考]

In conventional indirected parameter estimate, such as Weighted Least Square Method, the changing activity of the injected radiotracer is conventionally measured through multiple consecutive PET image reconstructions. The image of the radioactivity distribution in each frame is reconstructed independently and the whole set of frames is then used to estimate the distribution of the physiological parameter of interest by the application of an appropriate pharmacokinetic model to the time radioactivity curve either of appropriately selected functional regions or of each image element.

传统的间接参数估计方法如加权最小二乘参数估计方法(Weighted Least SquareMethod,WLS),需要首先从测量数据重建出PET动态放射性活度图像,然后在这些时间上连续的重建图像应用适当的动力学模型上估计感兴趣的生理参数,然而PET重建图像中往往含有极大的噪声,这些噪声将影响参数估计的准确性。

We introduced improved primary mixed glial culture and different-attachment method to isolate and purify the OPCs, the cells were proliferated in serum-free medium, flow cytometry and immunohischemistry methods were employed to estimate the purity of cultured OPCs. Their abilities of differentiation and expression of trophic factors were identified by RT-PCR and immunostaining. Several methods including TUNEL and MTT were adopted to estimate the protective effects of conditioned culture medium from oligodendrocyte lineage cells on the primary cultured cerebellar granule neurons. Intravitreal transplant of OPCs, combined with retrograde fluorescent labeling the superior colliculus and intraorbital optic nerve transection, were used to investigate the protective effects of OPCs on the axotomized RGCs in vivo. Intravitreal transplantof OPCs or NSCs on the newborn rats, and retinal transplant of OPCs on the young rats were performed, to observe the myelin formation in the retina at different stages after cellular transplantation. Optic nerve transection was carried out on some rats with myelinated retinae, to study the influence of myelination on the injuried RGCs.

为此,本研究采用改良的胶质细胞混合培养与差速贴壁方法获得大鼠OPCs,使用无血清培养基进行扩增、培养,用免疫组织化学和流式细胞技术对培养细胞的纯度进行鉴定,对少突胶质系细胞表达部分营养因子的情况进行检测;采用TUNEL、MTT等方法对少突胶质系细胞条件培养基对原代培养小脑颗粒神经元的保护作用进行检测;将OPCs移植入成年SD大鼠玻璃体内,利用上丘逆行荧光标记技术,观察眼内移植的OPCs对眶内视神经切断时的视网膜神经节细胞的保护作用及其持续时间;将OPCs或NSCs移植入新生和幼年SD大鼠玻璃体或视网膜内,观察不同时期视网膜内髓鞘形成与分布特点,分析髓鞘的超微结构,并观察眼内髓鞘形成对损伤神经节细胞的保护作用。

In practice, each sensor may have different observation dimension; that is to say, each sensor may make use of different model to observe the same target. In order to solve the above problem, by mapping among the state spaces, a nonequal dimension MAP estimate fusion algorithm between the output target estimate state and feedback is presented in this paper. Computer simulations show the effect of algorithm.

在实际中各传感器的观测信息维数不一致,也即各传感器可能采用不同的模型观测同一目标;为解决上述问题,通过建立状态映射,提出了输出目标估计状态之间维数不同情况下的带反馈极大验后估计融合方法,并通过计算机仿真验证了该算法的有效性。

In the first part, first of all, we have a priori estimate for solution of the reaction-diffusion equation with initial condition and Dirichret boundary conditions. Then, we construct a semidiscrete Legendre pseudospectral scheme, and have a priori estimate for approximate solution. We discuss the asymptotic stability of approximate solution. At last, we get a error estimation on large time for solution of the semidiscrete system.

首先,对此类方程初边值问题的解进行了先验估计;然后建立方程半离散的Legendre拟谱格式,并对近似解进行了先验估计,讨论了近似解的渐近稳定性;最后,得到了半离散系统解的长时间误差估计。

G. seismetic data post-stack processing technique, multi-component demarcating technique, elaborate description technique for the fault-block structure, technique of layer forecasting, fault sealing analysis technique, comprehensive estimate technique of fault-block, comprehensive analysis and estimate technique of remaining oil etc.

本文从构造评价、储层评价、断层封堵性评价、封闭史评价、含油性评价及剩余油评价等多方面研究和揭示复杂断块油藏和剩余油形成机制和分布规律,并利用地震资料叠后处理技术、多元综合标定技术、精细断块构造描述技术、储层预测技术、断层封堵分析技术、断块综合评价技术、剩余油综合分析与评价等技术对惠民凹陷复杂断块综合研究、描述和预测,形成一套配套新技术。

Estimate of internal control plays a key role in modern audit. However, unscientifically, auditors mainly estimate internal control by their experiences.

内部控制的评价在现代审计中占有基础性地位,但是,以往对于内部控制系统的评价没有科学的依据,很大程度上依赖于审计人员的经验。

In Chapter two, we use the estimate ofζ(5/2) to obtain an estimate of L(1,x) if L has no zer...

在第二章中,我们利用了ζ(5/2)的估计给出了当L在接近于1的某一区间无零点时对L(1,x)的估计。

Mr. Camfield's most sanguine estimate of his finance不可以解读为his finance's most sanguine estimate,而只能解读为Mr.

全句可译为:坎菲尔德先生对他的收入作了最为乐观的估计,其增长充其量也不会超过与理想的数目只差五英镑的金额;他绞尽脑汁拼命地盘算着,还不时地用棍子敲打着毛驴。

Failing such notification, or if within 12 months of a request for the same any of the parties shall fail to supply evidence in support of a notified claim, or particulars of value in respect of a contributory interest, the average adjuster shall be at liberty to estimate the extent of the allowance or the contributory value on the basis of the information available to him, which estimate may be challenged only on the ground that it is manifestly incorrect.

如不通知或经要求后十二个月内不提供证据支持所通知的索赔或关于分摊方的价值的详细材料,则海损理算师可以根据他所掌握的材料估算补偿数额或分摊价值。除非估算明显不正确,否则不得提出异议。

This paper studies environmental factors which influences Shanxi market of BYS Pharmaceutical Corporation applying theories and means of marketing and administration, makes qualitative and quantitative evaluation to exterior and interior environmental factors by using EFE and IFE matrix, and analyzes the actual place strategy. This thesis constructs generic mathematic model to estimate franchisers' integrated managerial abilities in order to choose the right middlemen; on how to evaluate dealers' performances, conceives mathematic model of franchisers' performance evaluation pole method to appraise their performances, and applies Fussy evaluation model to estimate the place pattern of pharmaceutical corporation, and makes embedded research into place motivation, conflict management and place improvement.

本文运用市场营销管理、管理学的理论和方法,研究了影响BYS制药企业山西市场营销的环境因素,运用EFE矩阵、IFE矩阵对外部环境、内部环境关键要素进行了定量定性评价;对营销渠道策略进行了分析研究,在对中间商的选择方面,论文构造了中间商的综合经营能力评价与选择的一般数学模型并运用其对中间商的综合经营能力进行了评价;论文对中间商绩效评价进行了探讨;运用Fussy评价模型对BYS制药企业营销渠道模式进行评价;并对渠道策略中的激励、冲突管理以及渠道改进等方面的内容进行了深入的研究。

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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。

Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.

有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。