Herein the synthesis and optical resolution of inherently chiral calixarenes and their applications in enantioselective recognition and asymmetric catalysis are reviewed 本文综述了固有手性杯芳烃的合成、光学拆分及其在手性识别和不对称催化领域的应用。
The research on logging lithology identification suggests that svm can overcome the fundamental disadvantages of neural network , and it is a new method to identify lithology 在测井岩性识别方面研究发现，支持向量机方法克服了神经网络的固有缺陷，提供了一种识别岩性的新方法。
Sds - page showed efficient expression and secretion of the rhfl . the highest yield ( 108 mg / l ) was obtained when expression was induced with 0 . 5 % methanol for 96 hours Western杂交实验出现了可被抗体特异性识别的杂交带，证实此条带即为重组毕赤氏酵母km7lppicgkil分泌表达的重组fl蛋白。
The cbd tag of the fusion protein was cut by site - specific protease enterokinase at starting met of the target protein lt 27 . it was released from the cbd fusion tag efficiently 利用融合蛋白中目的蛋白lt 27与cbdtag接头处的肠激酶特异性识别位点，用肠激酶处理粗纯化的融合蛋白，可将卜
The experiment shows that self - organized characteristic map neural network is feasible for lithologic identification of logging data and has a high rate of identification 实验结果表明：自组织特征映射神经网络对测井数据进行岩性识别是可行的，而且识别率较高，是一种行之有效的岩性识别的好方法。
In recent years , the enantioselective recognition has more and more important realistic meaning , and naturally the chiral stationary phase as separating chiral molecule has aroused the attention from all analytical chemists 摘要近年来，手性识别更加凸现出极其重要的现实意义，而作为分离手性分子应用的手性固定相自然引起了大家的关注。
By the study of several typic methods of determining convexo - concave features for vertices of polygon , the computation time complexity of these methods was analysed , and those methods were implemented in vc + + 摘要主要针对几种典型的多边形顶点凸凹性识别算法进行研究，对它们的计算时间复杂度进行分析，并用vc + + 6 . 0实现多边形顶点凸凹性的高效识别。
Identifying lithology according to logging data by self - organized neural network not only has stronger self - organizability , adaptability and fault - tolerance , but also has small calculation and gets quick returns compared with other methods of netural network 摘要利用自组织神经网络对测井数据进行岩性识别，具有较强的自组织性、适应性和较高的容错能力，与其他神经网络算法相比，计算量小、收效速度快。
Dendritic cells ( dc ) is the most powerful apc , which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2 , adhesion moleculees such as il - 12 that promote full activation of lymphocytes . full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules . t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ) , via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion T细胞介导的细胞免疫在控制肿瘤生长方面发挥着重要作用， t细胞在发挥抗瘤效应(分泌细胞因子和直接杀伤)之前必须先经过活化，体内专职抗原提呈细胞( apc )细胞并使其活化，树突状细胞( dendriticcell , dc )为t细胞的激活提供双重信号， t细胞借助tcr识别由dcmhc分子递交的抗原肽后，通过tcr - cd3复合体传递抗原特异性识别信号(第一信号) ，以cd28为主的t细胞表面辅佐分子识别dc表面b7分子，传递非特异性协同刺激信号(第二信号) ，在机体抗肿瘤免疫应答中处于核心地位。
The paper consist of three parts as follows : 1 . the method to calculate formation pressure : the method to calculate formation pressure in this paper is based on the equivalent depth technique , and it extract log characteristic parameters based on log ' s auto - separating and the lithology recognition . the automatization and precision of formation pressure calculation are upgraded 地层压力计算技术：以等效深度法为基本原理，辅以测井曲线自动分段和岩性识别基础上的测井特征参数提取，建立了本论文所采用的地层压力计算技术，提高了地层压力计算的自动化程度和计算精度。
