查询词典 superfluous parameters

On the basis of accurately calculating the parameters of formation water,the effects of these parameters on the effective porosities of rocks and the parameters of identifying gas reservoirs are emphatically analyzed.It is pointed out that in the strata containing salt-water,if the parameter values of pure water are used,the calculated effective porosities of the rocks and the calculated parameter values of identifying gas reservoir will be all reduced,which exerts a serious influence on the log recognition of gas reservoirs.

在准确计算地层水参数的基础上，着重分析这些参数对地层岩石有效孔隙度和气藏判识参数的影响，指出在含盐水的地层中，如果采用淡水参数值，其结果是使计算的岩石有效孔隙度和气藏识别参数值降低，严重地影响了气藏的测井识别。

The effects of structural parameters of liner and initiation methods on projectile formation and performance parameters were shown by simulation, the interrelations of structural parameters of liner were preliminarily fixed on, the inner radius of liner R1=(0.55-0.6)D, outer radius R2=(0.58-0.62)D, height H=(0.3-0.35)D, half cone angle α=82°-86°, where D is diameter of liner.

通过模拟计算得到了药型罩结构参数和起爆方式对弹丸成型的影响规律，并初步确定药型罩结构参数间的相互关系：药型罩直径D，内径R1=(0.55~0.6)D，外径R2=(0.58~0.62)D，药型罩高度为H=(0.3~0.35)D，半锥角α=82°~86°。

After separating velocity parameters from hypocentre parameters, the introduction of an orthogonal projection operator has made the system of equations for hypocentre parameters consistent.

这就使得有可能通过台网的适当布局，获得地震定位的唯一解。在数值方面，本文还提出了利用矩阵的块结构采取顺序正交三角化的方法，减轻了内存的困难。

The parameters include waveguide width: 8μm, titanium film thickness:50~60nm, index change: 0.006, diffusion temperature: 1050 and diffusion time: 9~10 hours.Designed and produced a 2 X 2 coupler Optical switch and a 1 X 2 digital optical switch. The coupler optical switch was produced by AP reversal structure, with the main parameters such as total length of switch: 30mm, waveguides center distance: Hum, interaction length: 17mm, and at 17V with a crosstalk of -18dB. The digital optical switch was produced by asymmetry electrode Y branch structure. The main parameters of this switch such as switch length: 25mm, the angle of Y branch: 0=0.1? center distance at branch end: 30μm, the center distance of electrons: 12μm, and at 27V with a crosstalk of 18dB.

设计并制作了2×2耦合型光开关和1×2数字开关，其中耦合型开关主要采用的反转Δβ定向耦合器开关，开关长度约30mm，波导宽度8μm，波导间距14μm，耦合区长度17mm，电极主要采用三电极结构，最终测得对TE模开关电压＜-15，消光比≈18dB；数字开关采用非对称电极Y分叉数子开关结构，利用BPM软件模拟了其开关特性并优化了器件参数，制作中采用的主要参数为：开关长度约25mm，Y分叉角θ=0.1°，Y分叉末端波导间距30μm，电极间距12μm，最终测得开关电压27V，消光比≈18dB。

The result showed there existed significant differences among families in seedling growth, dry matter accumulation, leaf shape as well as root parameters at high and low nitrogen levels. Remarkable reduction in seedling height, dry matter accumulation, leaf and root parameters were observed under low nitrogen stress, whereas larger proportion of photosynthesis production was allocated into roots to promote nitrogen absorption. Family variation in seeding growth, leaf and root parameters were increased under low nitrogen stress in comparison with high nitrogen level, which would be benefit to discriminate superior L. chinense families with high nitrogen efficiency. Nitrogen efficiency of different L.

结果表明：不同氮素水平下，马褂木苗的生长、干物质积累、叶片和根系等性状皆存在显著的家系遗传差异；低氮胁迫将显著抑制马褂木苗叶片发育和根系生长，影响苗高生长和干物质积累，但低氮素水平下生产的光合产物则较多地分配至地下根系部分以促进对氮素的吸收利用；与高氮处理比较，低氮胁迫加大了苗木生长、叶片和根系参数等家系遗传分化，有利于鉴别高氮效率的马褂木优良家系。

According to the selected electric actuator determine the electrical parameters Because of different electric actuator manufacturers have different electrical parameters, design selection Butterfly Valves generally takes time to determine their electrical parameters, mainly electric power, rated current, secondary voltage control loop, are often negligent in this regard, the results of control system and the electric actuator parameter does not match the space-time caused by the work of opening trip, fuses, fuse, thermal overload relay protection is like a take-off and other failures.

根据所选电动执行器确定电气参数因不同电动执行器厂家的电气参数有所差别，所以设计选型时一般都需确定其电气参数，主要有电机功率、额定电流、二次控制回路电压等，往往在这方面的疏忽，结果控制系统与电动执行器参数不匹配造成工作时空开跳闸、保险丝熔断、热过载继电器保护起跳等故障现像。

In this paper, with an original designed tool and selected welding parameters, 2024-T4 aluminum alloy sheets were friction stir welded successfully. A series of weld experiments were performed; the microstructure and the mechanical properties of the joints were analyzed. The influences of the welding parameters upon the quality of the joints were studied. The optimized welding parameters window was obtained in which high quality joints can be made and the tensile strength of the optimized joints were more than 80% of that of parent metal. The residual stresses of FSW joints have been investigated by using the Hole-drilling method.

本文自主设计搅拌头，通过选择合适的工艺参数，成功实现了硬铝合金2024-T4板材搅拌摩擦焊接；通过对接头成形和微观组织的研究得到可以实现焊接的工艺参数范围和工艺参数对接头成形的影响规律，并结合接头力学性能研究形成了接头性能与工艺参数之间的关系，并据此建立了优化工艺参数窗口，优化工艺参数下接头的抗拉强度可达到母材的80%以上。

In the process of back analysis, the orthogonal experiment is used to design 27 kinds of the schemes of numerical simulation. The optimum scheme of parameters which are composed of the rheologic parameters of rock layer, thin double-layer and other sensitive parameters is obtained by analyzing the orthogonal experiment results.

在反演分析过程中，运用正交试验方法，设计了27种数值模拟方案，通过正交试验设计的直观分析，获得了洞室顶板岩层与薄夹层的流变参数和其他敏感参数的最佳组合方案。

In this paper, based on the water balance equation, infiltration parameters from advance and runoff model method was used to estimate the soil permeation parameters of Kostiakov-Lewis equation in furrow irrigation, according to a set of field furrow irrigation data to estimate the parameters, and utilizing WinSRFR1.1 software to simulate the water flow in furrow irrigation.

该文以水量平衡方程为基础，采用IPARM方法建立了沟灌Kostiakov-Lewis入渗方程中参数的估算方法，并根据一组田间实测沟灌资料对入渗参数进行了估算，利用WinSRFR1.1软件对沟灌水流运动进行了模拟。

According to the practical characteristics and parameters during hot finishing rolling process of aluminium alloy JP1235, a three-dimensional thermo-mechanical coupled elastic-plastic FEM model was established with the software Marc. And this model was used to simulate the rolling state of F1 stand without back tension. The lateral distribution of rolling force、contact friction force and other mechanic parameters were calculated. Meanwhile, simulated the rolling state considering the influence of mill tilt, and studied the distribution of the mechanics under this state, discussed the effect of mill tile on mechanic parameters and strip steering, which can provide some reference to steering control strategy.

根据JP1235铝合金板带热精轧过程的实际工艺特点和工艺参数，采用非线性有限元软件Marc，建立一个三维热力耦合弹塑性有限元模型，模拟了精轧机组第一机架（F1机架）失去后张力作用后的轧制状态，计算出轧制过程中轧制力、摩擦力等力能参数沿板宽方向上的分布情况，在此基础上，模拟初始轧辊倾斜影响下的轧制状态，并对该轧制状态下的力能参数分布情况进行研究，探讨轧辊倾斜对力能参数分布及跑偏规律的影响，为纠偏控制提供了一定的理论依据。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。