最长度

The main technical parameters of equipment The largest diameter rod into the Φ8mm Diameter round Φ1.20mm-Φ3.5mm The maximum speed cable 25m / s Cable drum diameter Φ450mm Road stretching up to 13 defective Chu-line maximum length of 9m Set-up specifications PND500, PND630 13 die final round adjustable model separate motor

设备主要技术参数最大进杆直径Φ8mm 出线直径Φ1.20mm-Φ3.5mm 最高拉线速度 25m/s 拉线鼓轮直径Φ450mm 最多拉伸道次品 13道储线器最大长度 9m 收线盘规格 PND500，PND630 最终出线模 13模可调。

First, the main technical parameters of equipment The largest diameter rod into the Φ8mm Diameter round Φ2.0mm-Φ3.5mm The maximum speed cable 25m / s Cable drum diameter Φ450mm Road stretching up to 9 defective Chu-line maximum length of 9m Set-up specifications PND500, PND630 Final round 9-mode adjustable model.

一、设备主要技术参数最大进杆直径Φ8mm出线直径Φ2.0mm-Φ3.5mm最高拉线速度 25m/s拉线鼓轮直径Φ450mm最多拉伸道次品 9道储线器最大长度 9m 收线盘规格 PND500，PND630最终出线模 9模可调。

The Xiangjiang River is the biggest river with biggest drainage area in Hunan Province, and it also is the most important distributary in the Dongting Lake.

洞庭湖位于长江中游，是全国第二大淡水湖，湘江是湖南省境内长度最长、流域面积最广的河流，也是洞庭湖最重要的支流。

S.From all the patients with MB-MCA and whose MCA were encased by the myocardium completely,30 patients were choosed randomly,their datasets were reconstructed seriatim by every 5%R-R interval,the whole cardiac cycle were reconstructed by 20 phases,the diameter of the mural coronary arteries of every phase was reviewed and measured,the phases were found out where the diameters were maximal and minimal,the systolic compression rate was calculated,Pearson correlation analysis was used to analyze the relation between length,depth,and degree of systolic compression of the mural coronary artery.

s表示。在所有存在MB-MCA并且MCA被心肌完全包饶的病例图像中，随机抽取30例图像的数据，以每隔5%R-R间期为一个重建时相，对每个病例0.100%整个心动周期分20个期相进行重建，观察并测量MCA在整个心动周期中管径的变化，探索管径最大和最小时的时相显示规律，计算MCA最大狭窄程度，应用Pearson相关统计分析MCA狭窄程度与MB的长度及厚度之间的相关关系。

Karyotype formula of Gossypium hirsutum L.was 2n=4s=52=30m+20m (4SAT)+2st (2SAT); and its absolute lengths of chromosomes averaged 3.40μm; arm ratio differed from 1.24 to 4.02,with the mean value of 1.77; three pairs of satellite chromosomes; the ratio of the longest to the shortest chromosomes was 2.36; and the karyotype belonged to 2B in Stebbin's classification.

陆地棉的核型公式为2n=4x=52=30m+20sm(4SAT)+2st(2SAT)；染色体绝对长度平均3.40μm；臂比值最大与最小的分别是4.02和1.14，平均1.77；随体3对，分别位于第12、19和26对同源染色体的短臂上；最长与最短染色体的比值为2.36；其核型属于Stebbin的2B类型。

An explicit analytical solution of the threshold pump power of the laser has been derived based on rate equations which contain the attenuation coefficients of the pump and laser radiations as well as the major contribution of the re-emission of the upper level atoms to the pump wave by using the analytical solutions. An analytical solution of the minimum fiber length required for the onset of the oscillation is presented. In addition, the analytical solutions describing the variations of the density of the pump radiation and upper laser level population along the fiber length have also been given.

从速率方程组出发，在不忽略光纤损耗系数和保留再发射项主导部分的近似条件下推导出了双包层光纤激光器阈值泵浦功率的显函数解析表达式，得到了光纤激光器产生振荡所需的最小光纤长度的显函数解析解；还给出了泵浦光子数密度和上能级粒子数密度沿光纤方向随光纤长度变化的显函数解析解。

The localization length is found to be very small in gaps and much larger in bands, the transmission decreases in bands while increases in gaps as the disordering degree increases .

当无序度较大时，局域长度不仅和随机度、带隙有关，还受到材料的影响；若光束斜入射，TE模的局域长度要远小于TM模对应的值，且其最小值向短波方向移动。

The main research tasks and results are as follows:(1) Through comparing the stress intensity factor of compact tension specimen calculated by finite element software with the theoretical value, the feasibility of calculating fracture parameters of crack tip in ABAQUS software was verified.(2) The relationship between the elastic modulus of the material and research scale was studied based on deriving the cohesive stress theory and other relevant theories. And the elastic modulus of the material on meso-scale was determined.(3) Global model and sub-model of the finite element were built in th...e macro-scale, and stress-strain field nearby the crack tip was analyzed, and the results show that the detailed stress-strain in the crack tip could be obtained by using the sub-model technique.(4) In meso-scale, the crack growth model was also established by assuming the crack propagating along the grain boundary, and the detailed stress-strain field in the crack tip was obtained.(5) The effect of crack length on Von Mises stress, and maximum principal stress and strain was analyzed in meso-scale when equivalent KI equals 30MPa.m1/2. And the results show that except for crack tip area, the stress-strain distribution in whole specimen is not affected.

主要完成研究内容和取得成果如下：(1)利用有限元软件计算出紧凑拉伸试样的裂纹尖端应力强度因子KI值，其结果与理论值一致，从而验证了利用ABAQUS计算裂纹尖端相关断裂参量的可行性；(2)在研究内聚应力等相关理论的基础上，推导出了研究尺度与材料弹性模量的近似关系，并确定了介观尺度上的弹性模量；(3)在宏观尺度上建立了全局有限元计算模型和子模型，得到了裂纹尖端应力应变场分布，结果表明利用子模型技术获得比较准确的裂纹尖端应力应变场分布是可行的；(4)在介观尺度上利用平均晶粒尺度的方式建立了裂纹沿晶扩展模型，得到了裂纹尖端断裂过程区的微观应力应变场；(5)当应力强度因子为30MPa.m1/2时，分析了介观尺度上在裂纹沿晶扩展过程中裂纹长度对Mises应力、最大主应力和应变的影响，结果表明，裂纹扩展长度对试样整体应力应变分布影响不大，而对裂纹尖端区域有较大影响；(6)介。。。

The tree diameter at breast height and crown length can be used to predict the size and location of mean knot diameter in a whorl.A linear mixed model expressed as function of tree and knot variables such as HK、RKD、KD and DBH was used to predict sound knot length,and a log-linear mixed model using RKD and DBH as variables was used to describe loose knot length.4.A knot has four development phases:from the birth of a branch to its growth cessation,from growth cessation to death,form death to occlusion and form birth to occlusion.The numbers of annual rings in four periods,as well as the stem width of respective zones were used as dependent variables predicted by models expressed as function of tree variables and knot attributes.5.Using the data of diameter out side bark of 15 relative heights along the step,the best taper equation for Larix olgensis was established.

节子平均直径可以用以胸径，冠幅和节子高度为参数的舒马克生长方程来预测，用树木胸径和冠长可对每轮节子平均直径的最大值及位置进行预测；健全节长度可用以节子着生高度、相对直径、节子直径以及树木胸径为参数的线性混合模型来预测，疏松节长度采用节子相对直径和胸径为自变量的可转化为线性模型的自然对数模型来预测；4、节子有四个生长发育时期：从枝条形成到生长停止BC从生长停止到死亡(CD从死亡到包藏DO从形成到包藏

In addition, the maximum length ofn andn were higher in region D than in region E.

在长度分布方面，D区域的n及n之最大长度大於E区域。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。