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1)  headgear activator
Head-gear Activator
2)  Activator appliance
Activator
1.
In order to evaluate the effects of Activator appliance on growth and displacement of condyle, glenoid fossa and mandible , cephalometric films and MRI images companying with clinical evaluation of TMJ were taken .
本课题采用头颅侧位片和MRI 影像,结合颞下颌关节功能的临床检查对AngleII1 错 ,Activator 功能矫形治疗对下颌骨、颞下颌关节和翼外肌的影响等方面进行了以下三个研究: 1、Activator 功能矫治对髁突、关节窝和下颌骨生长改形的影响研究依据纳入标准选定AngleII1 为治疗组和对照组,在治疗前后头颅侧位片上选用坐标系,测量固定骨性标志点的垂直向和矢状向改变,包括髁突、关节窝、下颌角和颏顶点的改形及下颌骨的旋转等,并进行影响下颌综合长度的相关因素分析,探讨去除生长因素Activator 的骨骼矫形效果和机理。
3)  modified activator
改良式activator
4)  Activator-Inhibitor model
Activator-Inhibitor模型
1.
In this paper, the global existence is first proved for Cauchy problem of the Activator-Inhibitor model with saturation, then the feedback of the activator to source density is considered, and the global existence is also proved for the above model with feedback.
本文首先证明了饱和Activator-Inhibitor模型柯西问题整体解的存在性,其次考虑到Activator对源密度的反馈效应,又证明了具有反馈的上述模型整体解的存在性。
5)  Technetium[~(99)Tc]methylenediphosphonate
Receptor activator of NF-κB ligand
6)  GEAR method
GEAR方法
1.
By adopting the GEAR method as a means of s olving the equation and by comparing with experimental results, the dynamic mode l established in the paper is found to be valid.
对含间隙的凸轮分度机构动力学模型进行了深入研究 ,建立了计及间隙与阻尼等多种影响因素的凸轮分度机构非线性动力学方程 ,并采用 GEAR方法进行了求解计算 ,经与实验测试结果分析比较 ,验证了本文建立的动力学模型是正确
2.
In order to exactly analyse the motion of ball rotor with high efficiency,a certain fuze ball rotor was taken as an example,the differential equations were numerically simulated by Gear method and Runge-Kutta method with different parameters and integral precision.
为了准确、高效地分析球转子的运动过程,以某火炮引信球转子为例,针对不同参量和积分精度,对比地应用了Gear方法和Runge-Kutta方法,对该方程组进行了数值模拟。
3.
Based on GEAR method,this paper presents the numerical calculation method for solving dynamics differential equations of gear systems.
本文基于Gear方法对齿轮系统非线性动力学微分方程进行了数值计算分析。
补充资料:head
分子式:
CAS号:

性质:单位质量液体经过泵以后的能量增加值。单位为m。单位质量液体的能量,在水力学中称为水头,常由压头p/γ(m)、速度头v2/2g(m)和位头z(m)三部分组成。因此,泵的扬程即单位质量液体从泵进口处到泵出口处压头、速度头和位头的增值,数学表达式为式中H为扬程,p1和p2为泵进出口压力,v1和v2为泵进出口处液体流速,γ为被输送液体的重度,g为重力加速度。

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