曲线

The Van't Hoff plots (plots of ln K′ versus 1/T) of the two peptides from microtubule _ associated protein 2 were also determined under isocratic elution conditions with aquo _ acetonitrile mobile phases.

以乙腈为流动相测定肽1和肽2的Van'tHoff曲线(lnK′与1/T的关系图)时，发现两种多肽的Van'tHoff曲线分别呈二次和三次方曲线。

Based on the investigation of 12 plots Betula platyphylla population with an area of 6 000 m^2, the size structure and the life table of the population were established and the survivorship of B, platyphylla population was analyzed by the curves of survivorship, mortality rate, hazard in this paper.

根据12块总面积为6000平方公尺样地的实地调查资料，分析了白桦种群的径级结构，编制了该种群的特定时间生命表，绘制了存活曲线、死亡率曲线和损失度曲线，并用4个生存函数进行种群的生存分析。

The biconic lens includes an external surface defined by two different curves disposed substantially orthogonal to one another, a major curve C1 and a minor curve C2, wherein C1 and C2 intersect at or near the optical axis.

双锥形透镜包括由两个分别为主要曲线C1和辅助曲线C2且在光轴或接近光轴的位置上C1和C2相交基本正交的不同曲线所限定的外表面。

Expression methods and growing rules accord with self-organization way are studied for binominal curves and surfaces such as arc, spiral, helicoid, ellipsoid and fractal curves such as snow-form curve.

研究了圆弧、螺旋线、螺旋面、椭球面等常规二次曲线/曲面以及雪花曲线等分形曲线的自组织表达和生长规则，实现并验证了其生长算法。

Theory; the spatial meshing theory includes comparative motion, comparative differential and conjugative curved surface; and the application of meshing theory includes gear drive and worm drive. The spatial meshing theory is the main part of the course.

课程的重点讲解内容有曲线的参数方程、切线、法面、弧长、曲率、空间曲线的基本公式、挠率及平面曲线的基本公式等；曲面第一和第二基本公式，法曲率、主方向和主曲率、欧拉公式、短程挠率、欧拉公式和贝特朗公式推广、相对法曲率和相对短程挠率等；刚体的绝对和相对运动速度、相对微分和绝对微分、相对速度和相对微分、轨迹曲面的法曲率和短程挠率等；空间共轭曲面的啮合条件、诱导法曲率、两类界限点、等距共轭曲面、空间啮合的二次接触原理等；蜗杆传动的数学模型建立及啮合特性分析方法等。

For serviceability, the displaced shape, which storey drift ratio of the floor level at point of contraflexure on the initial mode of lateral displacement is equal to limit of the storey drift ratio, may be seen as target displacement mode. Based on the target displacement mode of frame- shear wall structure in the serviceability performance level, the equivalent parameter can be obtained.

对于使用良好性能水平，将侧移曲线上反弯点对应的楼层处的层间位移角刚好达到相应限值时的侧移曲线作为目标侧移曲线，据此计算等效单自由度体系的等效参数以及原结构的基底剪力和各质点的水平地震作用。

Analyzed some correlation problem of using elliptic curve construct cryptosystem.Make the correlation counterchange on the elliptic curve that suitable for constructing the cryptosystem and the op eration on it. Analyzed and researched discrete logarithm problems of elliptic c urve suitable for cryptosystem.

文中分析研究了利用有限域上的椭圆曲线构建密码体制的相关问题，对于适于建立密码体制的一类椭圆曲线进行了相应的仿射代换和其运算的映射变换，对椭圆曲线构建密码体制的椭圆离散对数问题进行了分析研究。

The results showed that:① The average age of Sabina pingii was relatively old;it is about 277 years old;②The survival curve of the population was between the type of Deevey-Ⅲ and the type of Deevey-Ⅱ,the mortality rate displayed similar change dyn.

编制了静态生命表；绘制了存活曲线、死亡率曲线和消失率曲线；并探讨了垂枝香柏的更新。

The operational result of the system indicates that the temperature raising curves in empty pit, or steel bar loaded pit even the dreggy curves have been greatly improved.

系统的运行结果表明空炉提温曲线、装锭提温曲线和化渣曲线特性具有明显的改善。

; 3 younger Dryas Only has reflection in the hundred-year-scales climatic curve, it is not evident in the curve of long period; 4 in the hundred-year-scales climatic curve, the last glacial maximum fluctuation as frequuently and 18-28KaBP was the stage in which the frequency fluctuation was the largest.

；（3）新仙女木事件仅反映在百年尺度的气候曲线上，在较长周期的饿曲线上不明显；（4）在百年尺度的气候曲线中，末次冰盛期气候波动频繁，其中18-28KaBP 是频率波动的最大阶段，但随着周期尺度的加大，气候的波动频率逐渐趋于均匀。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。