To accelerate the widespread of Synchronous Chip Seal and improve the operation quality of Synchronous Chipsealer, key techniques which influence the operation quality is studied detailedly, including the control of distributing quality, the dynamics characteristics of hydraulic system and the spray characteristics of asphalt nozzle of Synchronous Chipsealer.1 The factors which influence Synchronous Chip Seal quality are studied. Fiducial probability of simultaneous distribution density is advised to be used in evaluating the distribution bias and standard deviation of asphalt and aggregates simultaneously, which is more advanced than the single index evaluation method used before.2 The volume efficiency formula of asphalt pump is revised after analyzing the data of volume efficiency with mathematical statistics, which is helpful to match the asphalt spray system and control the flow out of asphalt pump accurately. With equation deduction and experiment, dynamic of hydraulic system used in Synchronous Chipsealer is studied, which lay the theory foundation on improving the stability and efficiency from design and controlling.4 Simulation on hydraulic system used in Synchronous Chipsealer is done with AMESim; the results indicate that multi-circle parallel connected hydraulic system with constant pressure power is better than that with load-sensing pressure power at present, because the latter will oscillate when the multi circles work at the same time. This conclusion has been proved during the debug of Synchronous Chipsealer.5 Asphalt nozzle characteristics, such as flat jet shape, flow distribution, are studied with experiment, the results indicate that cross quality of asphalt distributing is not increased linearly follow the increase of fan overlap level, the best point usually exists between two whole overlap level, asphalt distributing quality is better than±4% at the 2.5 overlap level, meets the superior specified in standard; The distribution quality of Synchronous Chipsealer can be increased by spray asphalt of different flow rang with nozzle of different diameter

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This paper firstly describes the equivalent transformation of standard normal distribution function, then calculates the function value by using the method of changing step length , and lastly gives out the flow chart and program written in Visual Basic.

對(duì)標(biāo)準(zhǔn)正態(tài)分布函數(shù)公式進(jìn)行恒等變形，再用變步長(zhǎng)法計(jì)算正態(tài)分布函數(shù)值欧美综合自拍亚洲综合图自拍，并用VB6.0完成該函數(shù)計(jì)算功能模塊的程序設(shè)計(jì)国产79av。

The curve continual steel box Liang shearing force stagnates the effect finite element analysis box section Liang has the big flexural rigidity and torsional stiffness, the stress performance good, spanning ability big, on the bridge the field of vision open and so on the merits, is in the bridge design the commonly used structural style, when receives under the dead load or the symmetrical live load function winding, because the lifting surface detrusion causes its bending stress to present the non-uniform distribution condition along the Liang width direction, this phenomenon is called "the shearing force to stagnate the effect".

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Pemphis acidula is a pan-tropical species on strands and rocky foreshores. In Taiwan and its nearby islands, this species is distributed only in Hengchnn peninsula, Little-Liouciou, Lanyu and Green-island, with special ecological status somewhat between a strand plant and a mangrove.

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The research result cannot satisfy the need of engineering design.In this paper, according to practical liquid differential equation ,allowing for moving rule and characteristic of moving field of vertical vortex , simplifying N-S equation, I have studied the discipline of condition, velocity and pressure of vertical vortex and analyzed some theory solutions such as plain vortex solution and solution in axial direction.

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identic：恒等的,同一的

idempotent transformation | 冪等變換 | identic | 恒等的,同一的 | identical distribution | 相同分布

identically distributed：恒等分布的

identical transformation 恒等變換 | identically distributed 恒等分布的 | identifiability 能識(shí)性

identifiability：能識(shí)性

identically distributed 恒等分布的 | identifiability 能識(shí)性 | identification 同化

nonidentical：不恒等的

nonidealsolution 非理想溶液 | nonidentical 不恒等的 | nonidenticaldistribution 非恒等分布

Taxaceae：紅豆杉科

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