查询词典 asymptotic curve

A new fluorescence quenched method has been found for determination of trace of gold based on the formation of nonfluorescent ternary complex Au- TBT -APDC.The composition ratio of Au to ligandi is 1:2:2.Under the optimum conditions,the linear range of the calibration curve is from 0 to 160ng Au/ml.

本文研究了在聚乙烯醇存在下，金与曙红、吡咯啶二硫代氨基甲酸形成三元络合物的合宜条件，并据此建立了水相荧光熄灭测定痕量金的新方法。

Our method can deal with the interpolation of single uniform B-spline curve and a mesh of nonintersecting or intersecting uniform B-spline curves.

被插值曲线可以是单条均匀B样条曲线，也可以是多条相交均匀B样条曲线。

Based upon the classification of the QSIC, an algorithm for computing a nonplanar intersection curve of any two quadric surfaces is presented in this thesis.

在对两二次曲面非平面交线进行拓扑分类的基础上，本文提出了计算任意两二次曲面非平面交线的算法。

The results were as follows the change of vitamin C content was a "trial apex"-shape curve, higher in young fruit,incrustation and maturation stages, lower in other periods; the total acid content was the highest in young fruit, after that, it decreased rapidly, maintained lower level, and reached lowest when the fruit matured; the total content of soluble sugar inosculated with the fruit development, it was high when the fruit development was quick, and low when the fruit development was slow; before 59 d after anthesis, the reducing sugar content was high in the total content of soluble sugar and after that ,the nonreducing sugar content was high; before 45 d after anthesis, free amino acid content was obviously correlated with protein content, and they inosculated with the fruit development;4559 d after anthesis, free amino acid content increased quickly, and protein content decreased gradually, this was also the most shaping period of the embryo and endosperm.

结果表明，Vc含量呈&三峰&型曲线，幼果时、硬核后和成熟时较高，其他时期较低；有机酸含量以幼果期最高，以后迅速下降并维持较低水平，果实成熟时含量最低；可溶性总糖含量与果实发育状况基本相吻合，果实发育速度快时含量较高，慢时较低；在谢花后59 d以前，可溶性糖以还原糖为主，之后以非还原糖为主；游离氨基酸和蛋白质含量，在谢花后45 d以前两者呈高度相关，且与果实生长速度相吻合，谢花后4559 d是胚和胚乳的主要形成期，此期游离氨基酸含量迅速增加，蛋白质含量持续下降。西北林学院学报21卷第5期张传来等金光杏梅果实发育期间主要营养成分动态变化研究

And local dark focal spots may be obtained, the focal spot may evolve into a circle, a two-peak spot, or a curve line, which indicates that the combination of nonspiral and spiral phase plates can be used to form novel focal spots.

随着相位片参数变化，焦斑可演化成环形焦斑、具有两个光强峰值的焦斑、或是曲线形焦斑，这些现象说明可以将螺旋和非螺旋两种相位片结合用来调节焦点光强分布，得到新型焦斑。标签相位片焦点移动焦点破裂光陷阱

Millisecond time scales in the X-ray light curve of Scorpius X-1. The estimated sizes of these occulting TNOs are about or less than 100 m. This is the first time that TNOs of such a small size are detected. Our discovery of the X-ray occultation demonstrates a new method to study smaller TNOs.

所以，我们在这里介绍了我们利用X-ray波段的掩星方法，藉由利用RXTE卫星观测天蝎座X-1的数据，在毫秒尺度找到了一些可能的X-ray掩星事件，而这方法将可让我们了解一些大小在100公尺左右或更小的物体的分布情形，而这也是我们第一次在X-ray波段所发现掩星事件，而这方法的持续研究将能让我们对於太阳系的形成会有更多的帮助，因次在此提出来和大家分享。

The Taenia solium oncosphere 18 gene was cloned and reconstructed into expression vector pYA3341.The recombinant plasmid pYA3341-TSOL18 was finally electro-transformed into an attenuated S.typhimurium definitive host strain of X4500 and the recombinant strain of X4500 (pYA3341-TSOL18) was identified its immunogenicity of expression protein, stability, growth curve, safety in vitro and immunity evaluation by animal experiment in mouse.

克隆并改造TSOL18基因，构建重组质粒pYA3341-TSOL18，电转入鼠伤寒沙门氏菌终宿主菌株X4550，体外鉴定重组菌X4550(pYA3341-TSOL18)表达蛋白的免疫原性、稳定性、生长曲线、安全性和小鼠免疫试验进行评价。

Compared with methods appeared in literatures, our algorithm, with high accuracy, sensitivity and correctness, complete adaptively the correct distinction between interferential fringes and backgrounds. In chapter four, methods for the computer operatable description of line and region features are discussed, which contains: Computation curve's curvature in quantity, Fringes' separation distance , Contour's smoothness of region, Similarity of varied curves.

在第三章中，本文研究的是以线条为直接目标的图象分割方法——条纹抽取，在研究分析了许多条纹抽取方法以后，针对激光全息焊点缺陷检测这一课题中的复杂数字光学图象LHII条纹抽取进行了多方面的研究，主要有：分别从点对应、邻域特性对应推导并提出了几个信息分离算法；结合光学图象形成方面的知识，提出了变周期余弦分割二值化方法；结合当前条纹走向、毗邻条纹走向及可靠条纹点约束条纹跟踪，在许多方面，改进并发展了常规的条纹跟踪算法，实现了无人-机交互的全自动条纹跟踪抽取。

However, it lead to more risks, especially interest rate risk, including high-rate risk, adaptation risk, reprising risk, basis risk, optionality risk, yield curve risk.

更多风险主要表现在高利率风险、适应性风险、重新定价风险、基准风险、选择权风险、收益曲线风险等方面。

Cell growth curve was also drawed before and after differentiation. When cultured in the osteoplastic induction medium, ADSCs derived epithelial cells might further differentiate into osteoblasts.

在成骨细胞诱导培养基中进一步诱导ADSCs源表皮细胞向成骨细胞定向分化，对诱导后的细胞进行ALP染色和Yon Kossa染色检查。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。