ph曲线的英文

• ph curve

• "ph"英文翻译    【化学】表示氢离子浓度的倒数的对数的符号。
• "曲线"英文翻译    curve; curved line
• "ph" 英文翻译 :    PH ＝public health 公共卫生。 【化学】表示氢离子浓度的倒数的对数的符号。
• "automatic ph control ph" 英文翻译 :    值自动控制
• "ph-meter ph" 英文翻译 :    计；氢离子浓度测定仪；酸度计
• "ph-recorder ph" 英文翻译 :    记录仪
• "potential ph diagram ph" 英文翻译 :    电位图
• "abrasion ph" 英文翻译 :    磨蚀酸碱度
• "arterial ph" 英文翻译 :    动脉血ph; 动脉血酸碱度
• "blood ph" 英文翻译 :    血液ph值; 血液酸碱度
• "bone ph" 英文翻译 :    骨ph值
• "cadiz(ph)" 英文翻译 :    加的斯
• "cm ph" 英文翻译 :    锦普
• "concrete ph" 英文翻译 :    混凝土酸碱度
• "cotabato ph" 英文翻译 :    科塔巴托
• "critical ph" 英文翻译 :    临界
• "determination of ph" 英文翻译 :    电极法
• "iligan ph" 英文翻译 :    伊利甘
• "isoelectric ph" 英文翻译 :    等电点ph
• "optimal ph" 英文翻译 :    最佳ph值; 最适ph
• "optimum ph" 英文翻译 :    最适ph值
• "ph bc" 英文翻译 :    苯戊醇
• "ph change(s)" 英文翻译 :    ph值变化
• "ph chromosome" 英文翻译 :    费城染色体
• "ph control" 英文翻译 :    ph酸碱度控制; ph值控制; 酸度控制

• This paper present a sufficient and necessary condition of constructing quintic ph curves and analyze the geometric meaning of the control polygon
  本文给出了构成五次ph曲线的充要条件，分析了其控制多边形的几何意义。
• Firstly explicit algorithm is found that give the unique cubic ph that solves a geometric hermite interpolation problem
  首先本文给出了三次ph曲线g ~ 1hermite插值问题的算法，这个算法是用复数形式表示的，使插值公式比较简单。
• Quartic ph curves are studied . their contribution of cusps and inflections are discussed in this paper . a first - order hermite interpolation by quartic ph curves is obtained
  文中还研究了四次ph曲线，讨论了其尖点和拐点的分布情况，得出了四次ph曲线的一阶hermite插值的解。
• If the geometric hermite data is from a smooth function with the arc - length parametric , the cubic ph approximates the smooth function , the error in the approximation of a short segment of length h is found
  如果此三次ph曲线插值于以弧长为参数的某一函数曲线，则可以给出三次ph曲线逼近该一小段曲线的逼近误差。
• Pythagorean hodographs exhibit remarkably attractive properties for practical use . for example , their arc length is expressive as a polynomial function of the parameter , and their offsets are rational curves
  Ph曲线呈现出非常优良的实际应用价值，例如它的弧长可表示为曲线参数的一个多项式函数，其等距线是有理的。
• In the last part of the article applications of space cubic ph to sweep surface modeling and pipe surface modeling are introduced , and sufficient criteria that guarantee that the offset of a sweeping surface are generated by the offset curves of the profile curve is investigated
  最后，本文介绍了空间三次ph曲线在扫曲面和管道面造型方面的应用，并研究了一扫曲面的等距面为该扫曲面轮廓线的等距线所生成的充分条件。
• Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position , distributed according to a prescribed feedrate function , along the tool paths . this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators . when the path is ph curves , detailed formulations for instances are presented where the feedrate v is specified as a constant , the function of the time t , the arc length s and the local curvature k
  对于nc加工要求插值算法沿着刀具路径准确、有效的生成参考点序列(根据预先指定的速率函数进行分布)的实际工程需要，本文系统地推导了变速率插值算子的泰勒系数，给出了当路径为ph曲线，速率v为常数，及时间t 、弧长s 、曲率k的函数时具体的插值算子。
• Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae , extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates . the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents . a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus
  本研究利用线虫诱导下owvt - 1菌株液体发酵，通过粗分级分离、离子交换层析和凝胶过滤层析分离提纯了一个分子量为31kda的丝氨酸蛋白酶，生物学测定表明其对大豆胞囊线虫二龄幼虫具有致死作用，同时测定了该酶理化特性，酶活力在75附近酶活力最高，随着ph的增加酶的稳定性升高，与胆碱酯酶具有相似的ph曲线，对特异性底物aape ( suc - ala - ala - pro - glu - pna )具有作用， ssi和ci - 2抑制该酶的活性。