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1)  Amplification curve
扩增曲线
1.
A technique for real-time quantification of OsAMT1;3 relative to a housekeeping gene for encoding an actin in rice using real-time SYBR Green quantitative PCR(RQ-PCR) with specific primers was established,which showed:the amplification curve had flat baseline,distinct exponential area,large and stable slope;.
获得的荧光定量PCR扩增曲线,基线平整,指数区明显,斜率大且固定;线性范围广,17~36个循环都能测出;稳定性、重复性好,变异系数仅为0。
2)  Extended growth curve model
扩展增长曲线模型
1.
Let be an extended growth curve model, where i= 1is a random matrix, its components are independent and have the same distribtitionof ECr().
在棉球等高分布情形下给出了扩展增长曲线模型中协差阵与回归系数阵的最小模估计,并得到了最小模估计成为一致最小方差不变二次加线性无偏估计的充要条件。
3)  extension curve
扩展曲线
4)  diffusion curve
扩散曲线
1.
The paper supposes that diffusion processes of emerging technologies obey Markov processes,and the "S" curve models of emerging technologies are established by using differential equation methods,basing on the diffusion curves of emerging technologies;and diffusion processes of emerging technologies are analyzed using mathematical quantitative methods and qualitative methods.
假设新兴技术扩散过程服从马尔科夫过程,在新兴技术扩散曲线的基础上,利用微分方程知识建立了新兴技术"S"型扩散模型,并利用数学知识对新兴技术的扩散过程进行了定量和定性分析。
5)  growth curve
增长曲线
1.
The graph of growth curve in its growth process is normally characterized by an oblate shape like "S".
增长曲线的增长过程中,其图形表现为像一条压扁的S形曲线,在油田勘探、开发、生产过程中,很多实际生产数据也呈现出S形的增长趋势。
2.
Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed,thus perfecting and abounding in the existed growth curve methods further.
提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条,从而进一步完善和丰富了现有的增长曲线法。
3.
A new growth curve to predict indices of oilfield development, N p=N Rmax t/(a+t)] b, has been proposed, and its formulae for calculating production (Q t) vs time (t), maximum production (Q tmax ), time according maximum production (t m) and Reserves Production Reserves(RPR) have been derived.
提出了一种预测油田开发指标的新型增长曲线 :Np =NRmax[t/(a +t) ]b。
6)  Increasing curve
增长曲线
补充资料:分子扩增
分子式:
CAS号:

性质:又称无性繁殖,克隆繁殖,分子扩增。通常是指用人工方法把所需要的某一供体生物的遗传物质,即DNA大分子提取出来,在离体条件下进行切割后,取其片段,或直接用人工合成的基因(DNA)在体外利用某些工具酶(限制性内切酶等)与作为载体的DNA分子(如质粒等)连接起来,然后再导入某一受体细胞中,让该外来遗传物质在其中进行正常复制和表达的过程。自20世纪70年代始,它是基因工程(gene engineering)、或微生物育种等领域中经常采用的方法。也是重要的克隆技术之一。

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