数
- 与 数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The skeletons do exist, one being housed in the collections of the British Museum in London, and the report of the excavators indicate that more are in the limestone strata east of the village of Moule on the island of Guadeloupe in the Caribbean.
地层的快速形成。越来越多的证据表明,许多沉积岩几乎可以肯定是在数月,数日,几小时,甚至几分钟内沉积在一起的,而不是过去认为的需要数千年或数百万年的积累。
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Adopting the model of uniform load and triangular load separately,MRFs of different story numbers and bay numbers are analyzed by static Pushover analytical method,and the global capacity envelopes are obtained.Then,through a method for establishing the inelastic demand spectrum of design intensity and rare intensity based on elastic spectrum of seismic design code for buildings,the structural target displacement of design intensity and rare intensity are estimated by improved capacity spectrum method.The corresponding structural ductility reduction factor,the overstrength factor,the structural influencing coefficient and displacement amplification factor are determined.
分别采用水平均匀分布力和倒三角分布力加载模式对不同层数和跨数的钢框架结构进行了静力推覆分析,并得到了结构的能力曲线,在此基础上,应用改进的能力谱法,以规范反应谱为基础建立设防烈度和罕遇烈度下的弹塑性需求谱,确定出结构在设防烈度和罕遇烈度下的目标位移,进而求解出结构的延性折减系数、超强系数、结构影响系数和位移放大系数等参数;同时,分析了不同加载模式、层数和跨数等对各系数的影响。
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In the case of the thin double layer, sedimentation coefficient of polydisperse systems at moderate Péclet number is between that of the small Péclet number and that of the large Péclet number, and decreases with the increase of the Péclet number.
对于我们所考虑的薄双电荷层情形,中Péclet数具势系统的沉降系数介于低Péclet数和高Péclet数之间,随着Péclet数的增加而减小。
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Objetive:To investigate the histopathological features and detect the mutation of JAK2V617F in PV、ET and IMF;to analyze the effects of the stages of myelofibrosis and the mutation on the number of leucocyte in PV and ET patients;Methods: the morphological features of 69 patients who dignosed in the first time were studied by HGF and Gomori stains ; the mutation of JAK2V617F was detected in 38 blood or marrow samples of PV、ET and IMF patients by real-time PCR;the effects of the stages of myelofibrosis and the mutation on leucocytes were analyzed;Results: Different stages of reticulin were observed in 15 PV and 15 ET patiens'marrow sections,and the cytosis、the pleomorphism and the bone trabecula side location of megakaryocytes were observed in all PV、ET and IMF patients;the means of leucocyte in patients with and without JAK2V617F were 20.4×109/Land 11.4×109/L respectively;the P value was 0.367 as comparing the leucocytes among different stages of reticulin increasing.
目的:探讨PV、ET、IMF患者的骨髓病理特点并且检测JAK2V617F突变的发生率,分析骨髓中纤维增生程度以及JAK2V617F对PV、ET患者白细胞数的影响;方法:69例初诊患者的骨髓切片经HGF染色以及Gomori染色后进行形态学研究;并利用real-time PCR法测38例患者的骨髓或者外周血的JAK2V617F突变;分析骨髓切片中纤维组织增生程度以及JAK2突变对患者白细胞数的影响;结果:15例PV和15例ET患者的骨髓切片中可以观察到不同程度的纤维组织增生,所有PV、ET、IMF患者骨髓病理中可见到巨核细胞增多、巨核细胞多形性改变以及巨核细胞定位于骨小梁旁;12例PV、4例ET、4例IMF中检测到JAK2V617F;有突变和无突变患者发病时白细胞数均值分别为20.4×109/L和11.4×109/L,比较不同纤维增生程度的PV、ET患者的白细胞数均值,P值为0.367。
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First, the thermal resistance of three heat sink related to Re and H / D was obtained separatively, and the average Nusselt number equation of the simulated chip surface under the three heat sinks related to Re and H / D was got separatively by least square method too.
首先,分别获得了这3个热沉的热阻随 Re 数及 H / D 变化的实验数据和对应这3个热沉的模拟芯片表面的平均努塞尔数随 Re 数及 H / D 变化的实验数据;其次,选用合适的函数形式对实验数据采用最小二乘法拟合,得到了此实验条件下关于 Re 、 H / D 及肋片高度 Hf 的准数方程。
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To simplify the comparison of symmetrical triangular fuzzy numbers, through the analysis to the satisfactory degree function of fuzzy numbers presented by Tanak, a simple and convenient formula for comparing two symmetrical triangular fuzzy numbers is presented, and the limitation of the formula presented by Liu Xinwang is proved.
为简化正规三角模糊数的比较。通过分析Tanaka提出的模糊数比较的满意度函数,得到了2个正规三角模糊数比较的简便公式;指出了刘新旺提出的模糊数比较公式的局限性。
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Based on the investigation on the various results of the race YUNCAN 7 and YUNCAN 8 and analysis on the result items, the found shown the effect of cocoon number per kg on the some items of cocoon production and egg production, that was negative relation between cocoon number per kg and cocoon production per g of new hatched larvae, egg production per g of new hatched larvae, and hatch-ing percentage; positive relation between cocoon number per kg and egg number per g and no effect on other items.
对云南省桑蚕普种场2005年春季不同生产小组饲育的云蚕7、云蚕8蚕品种各项成绩进行了综合调查,通过对其调查的有关项目数据进行分析总结,发现蚕茧成绩中的&kg茧粒数&对蚕茧成绩中和蚕种成绩中的部分项目产生了影响,即:&kg茧粒数&与&g蚁收茧量、g蚁制种量、孵化率&呈负相关性,&kg茧粒数&与&g卵粒数&则呈正相关性。而对其它一些项目则无影响。
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In GABA group,the degeneration and necroses of hippocampus neurons were relatively alleviated.The positive expression of CX43 mRNA was few in control group and surgery group.And in KA group it increased with time.In GABA group,the positive expression of CX43 mRNA was fewer than that of KA group at every period.
CX43表达阳性细胞数定量分析显示,正常及手术对照组CX43表达阳性细胞数较少,KA对照组随时间延长CX43阳性表达细胞数逐渐增多, GABA受体基因转染组大鼠CX43阳性表达细胞数在各个时程均比KA对照组减少。
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We also propose program optimization technologies: removing integer DIV and MOD, upraising common code for reducing the complex array subscription effectively.
为此本文进一步研究了数据变换和重构手段,提出通过直接扩展数组范围、构造松弛数组范围和循环扭曲变换等技术,使数据变换后的数据规模尽量小;同时,通过采用整数模和整数除消除优化技术、代码上提优化等程序优化技术,简化了数组下标表示,有效地减少了数组下标计算开销。
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Cascade multilevel converter is made up of modules. It can be normally divided into two kinds: one with same modules and the other with different modules. This paper analyzes the relationship among the maximum number of output voltage level, the number of cascaded modules, and the input voltage ratio and THD of output voltage in different kinds of cascade multilevel converter. Then, some guidelines for making up cascade multilevel converter are given.
级联型多电平变换器类似于积木化的结构,本文按模块单元的结构形式,将级联型多电平变换器分为相同单元和不同单元两类,以输出最大电平数为目标,系统地分析模块单元个数与最大输出电平数、输入直流电压与最大输出电平数、以及输出电平数与谐波畸变率之间的关系,从中归纳得到构造级联型多电平变换器的指导原则。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。