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The results indicated that the forager of minimum instar is 3 days old, the collecting syrup quantity of 13-27 days old workers was the highest. Each worker collected 69.44 75.25 mg the syrup once. The quantity of collecting syrup of marked workers under 12 days old is unstable, but it tends to be stable with the increase of growth of the workers. At the measuring site, 11 day old marked workers began to increase obviously till 28 days.

结果表明,采集蜂最小日龄为3日龄,13~27日龄段的工蜂采蜜量最高,每只蜜蜂每次采集69.44~75.25 mg;12日龄以前的标记蜂采蜜量不稳定,随着日龄的增长逐渐趋于稳定;在测定地点,标记蜂11日龄开始明显增多,直到28日龄后减少。

This paper proposed a modified Particle Swarm Optimization algorithm to solve the mixed model assembly line sequencing problem in discrete space with two objectives:total production rate variation and total idle-overload time.

提出在离散空间用一种改进的微粒群优化算法来解决混流装配线的多目标排序问题,考虑两个目标:总生产变化率最小和总闲置-超载时间最小,并对两个目标函数进行了规范化处理以消除量纲的影响。

This paper investigates the smallest singular value of matrices, the spectral radius of the iterative matrix, the minimal eigenvalue of irreducible M-matrices and some spectral properties of tensor product of matrices.

本文主要研究了矩阵最小奇异值,迭代矩阵的谱半径,不可约M矩阵的最小特征值以及矩阵张量积的一些谱性质。

In this paper, the generator model of constant transient voltage and the invariableness impedance model was used, and the saliency of generator is included; through the analysis of the characteristic of the network equation calculation in the transient stability analysis, a new node ordering algorithm is proposed. Better initial value can accelerate the convergence rate of the networking equations, reduce the number of iterations, thus to cut down the amount of calculating time.

本文首先建立了适合于暂态稳定分析的简单模型,其中发电机采用E_q恒定模型,考虑了发电机的暂态凸极效应,负荷采用恒定阻抗模型;研究了电力系统的暂态稳定分析方法,指出目前数值积分暂态稳定计算方法中存在的不足,主要是网络方程的求解速度过慢;分析了暂态稳定计算中网络方程的特点,将稀疏技术应用于网络方程的求解,提出了一种新的节点编号方法——最小度最小有源节点道路集算法,减少了网络方程的计算量;在进行交替迭代求解时,将预测算法应用于每一积分步网络方程功角和电压的初值估计当中,应用自回归算法和广义延拓算法,期望给出一个更有效的电压和功角初值方案,来加快方程的收敛过程,减少方程迭代的次数,以提高计算速度。

These three internal fixations of femoral peritrochanteric fracture were differ. For example, Gamma nail is less harmful, better clinical treatment, shorter in shape and stronger in anti-hip inversion. DHS, DCS have a better treatment and are stronger in anti-hip inversion but more harmful and excessive bleeding, and HCS, which is named Minimally Invasive Surgery, is the least harmful, less bleeding, suitable for old patients and the patients of tolerance of poor operation, but poor in anti-hip inversion.

3种不同方法内固定治疗转子间骨折具有各自的特点,Gamma钉具有手术损伤小及良好的临床疗效力臂短对抗髋内翻的能力强;滑动加压鹅头钉具有良好的临床疗效及相对坚强的抗内翻能力,但手术损伤相对较大,失血量较大;空心加压螺钉固定的手术损伤最小,属于微创手术方法,可经皮完成,手术出血少,适用于高龄及手术耐受性差的患者,但抗髋内翻的能力最差。

In order to select optimal grid and good computation efficiency to recover the entire signal, aiming at the Ricker wavelet commonly used in forward modeling, we analyzed the alias and signal restoration problem in finite-difference method based on spatial sampling theorem and seismic wave traveling regulation in media with different velocity, to derive quantitative relationship among the modeling grid size, minimum velocity of model layer, and recovered main frequency of wavelet.

为了选择最佳的网格尺寸以及以最小的计算量完整地恢复出信号,针对地震波场正演模拟中经常使用的Ricker子波,根据空间采样定理和地震波在不同速度介质中的传播规律,分析了有限差分算法中的假频和信号恢复问题,推导出模拟网格尺寸、模型地层的最小速度和能够恢复的子波主频之间的近似定量关系,并用数值算例验证了这一关系。

High effective decontamination with minimum remainder, erosion, destruc- tiveness may be realized by taking advantage of the high diffusivity, low viscosity, rea- sonable solubility and special separation property in supercritical phase, during which the recycle and reuse of the materials is promoted and the cost for waste management is reduced to the least.

利用超临界状态下流体的高扩散性、低的粘度、良好的溶解能力和独特的分离性质,有可能实现高效去污、废物量最小化、最小的侵蚀性和破坏性、最低的放射性废物管理费用。

Square dot 5% point targejia, in the four corners phase business card printing and membership card making pressure, 5% point to expand capacity, on the transition from the hiberarchy, 5% point form a fairly obvious dot-jump; circular to about 70% to produce himself, then also imprint-jump, just look at the level of the jump, we need it to be put off; chain-shaped dot is divided into two time point respectively at 25% and 75% of the two places at once, each producing a smaller level.

方不神网不背在5不败不背处四角相搭,在制卡和会员卡制息不张力功用下,5不败不背扩不小量最不小,从条理过渡上看,5不败不背处不神不败一不主较为澄辉的级跳;圆不神网不背给到约70%爆发搭边,这时同样会爆发压印级跳,只是在条理上看,它的级跳处向后提后;链不神网不背不合两不主搭角,不合别在25%和75%两处,各爆发一不主小一些的级跳。

Surface relief caused by the formation of lower bainite in an Fe-C-Si-Mn alloy has been investigated by STM. It was discovered that the subunit which is the lowest structural unit observed by TEM is actually made up of sub-subunits. The surface relief due to the formation of sub-subunit is tent-shaped, and of a non-IPS type, which indicates that the sub-subunit cannot be formed by shear. The height of relief is 60-140nm, and the maximum shape deformation is ca.

用扫描隧道显微镜对Fe-C-Si-Mn合金中的下贝氏体浮突进行了观察研究发现用透射显微镜观察到的最小结构单元——亚单元是由更小的超亚单元组成的超亚单元的浮突为&帐篷&型,而非不变平面应变型,表明它不是切变形成;超亚单元的浮突高度为60-140nm,最大形状变型量约为0.23。

Differential threshold: The minimal difference that can be detected between two similar stimuli it called the differential threshold, or the just noticeable difference.

差别感受阈限:刚刚能够察觉的刺激物的最小差别量被称为差别感觉阈限,或最小差别感受阈限。

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推荐网络例句

What are your goals and strategies for growth?

你的成长目标和策略是什么?

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3:1 你要写信给撒狄教会的使者,说,那有神的七灵和七星的,说,我知道你的行为,按名你是活的,其实是死的。

"It is a testament to making sure unemployment compensation is available, making sure we are looking out for people who have lost their jobs," she said.

"这是个实证,证明我们必须确保人们都可以得到失业补偿,确保那些失去工作的人们得到照顾。"