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deletion
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     The Deletion in Translation
     翻译中的除赘
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     ON COMPATIBILITY OF DELETION STRATEGY
     删除策略的相容性
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  deletion
The case deletion model is equivalent to mean shift outlier model, as well as case weights model.
      
A diagnostic based on case-deletion approach in estimating equations is proposed.
      
It is shown that the case deletion model is equivalent to the mean shift outlier model.
      
By constructing an interval extension of adjustable entropy function and some region deletion test rules, a new interval algorithm is presented.
      
Differentiation of Indica-Japonica rice revealed by insertion/deletion (InDel) fragments obtained from the comparative genomic s
      
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A procedure of simultaneous calculations for correcting regression coefficients due to deletion and/or addition of observations is developed, which includes the Plackett result as a special case. Considerations with respect to deleting observations in relation to the missing values problem in the factorial experiment lead to a different, yet feasible, approach to the correction problem. That is, with the deleted observations being first estimated, the correct regression coefficients turn up naturally.As...

A procedure of simultaneous calculations for correcting regression coefficients due to deletion and/or addition of observations is developed, which includes the Plackett result as a special case. Considerations with respect to deleting observations in relation to the missing values problem in the factorial experiment lead to a different, yet feasible, approach to the correction problem. That is, with the deleted observations being first estimated, the correct regression coefficients turn up naturally.As for estimation of missing values, the principle of least squares may be worked into a tabular form equivalent in the wide sense to the method of cross-contrasts as was proposed in a previous paper by one of the authors.

本文导出关于舍去或(并)加入数据的回归计算公式(包括了Plackett的结果作为特例)。并在舍去数据方面,结合析因试验中缺数的估计问题,得到回归计算的另一种可行方法——先补缺,后回归。 根据交互对比法与最小二乘法的等效性,按最小二乘法补缺,可表格化为一般意义的交互对比法。

Chromosome abnormalities were studied in a girl with multiple congenital anomalies. Trisomy of the short arm of chromosome 9 (9p +) and distal deletion of the long arm of X-chromosome were found with G banding and C-banding techniques. The clinical features included psychomotor and growth retardation, short stature, moderate microcephaly, hypertelorism and enophtha mos, prominent nose with inverted nostrils, short upper lip, low-set ears, low posterior hairline, anomalies of phalanges and vertebrae, widely-spaced...

Chromosome abnormalities were studied in a girl with multiple congenital anomalies. Trisomy of the short arm of chromosome 9 (9p +) and distal deletion of the long arm of X-chromosome were found with G banding and C-banding techniques. The clinical features included psychomotor and growth retardation, short stature, moderate microcephaly, hypertelorism and enophtha mos, prominent nose with inverted nostrils, short upper lip, low-set ears, low posterior hairline, anomalies of phalanges and vertebrae, widely-spaced hypoplastic nipples, undeveloped breasts, delayed onset of menar-che and dermatoglyphic abnormalities.

本文报告一例多发性先天畸形女子的细胞遗传学研究。用G带和C带技术鉴定为第9号染色体短臂三体(9p+)和一条X染色体长臂远端部分缺失(xq—)。其临床征状为:严重的智力和发育障碍,身材矮小,头略小,两眼距稍宽并内陷,鼻圆,鼻梁高而鼻孔内翻,上唇短,耳位和后发线低下,指骨和脊椎骨异常,两乳头距远,乳房发育差,月经延迟,皮纹异常。

Transposon Tn233 (CH) contains sir sul-resistant genes which are originally located on drug-resistant plasmid DR233 (Tcr Cmr Smr Sur) harbored by Shigella flexneri strain 233.Plasmid E144drd3: :Tn233 (CH) was constructed previously by transposition of Tn233 (CH) from DE233 into R144drd3 (Km1) and was then transferred to E.coli C600/pBK322 (Apr Tcr),so that strain with two coexisting plasmids was constructed.The plasmid DNA prepared from this coexisting strain was used to transform E.coli C600 cells and was selected...

Transposon Tn233 (CH) contains sir sul-resistant genes which are originally located on drug-resistant plasmid DR233 (Tcr Cmr Smr Sur) harbored by Shigella flexneri strain 233.Plasmid E144drd3: :Tn233 (CH) was constructed previously by transposition of Tn233 (CH) from DE233 into R144drd3 (Km1) and was then transferred to E.coli C600/pBK322 (Apr Tcr),so that strain with two coexisting plasmids was constructed.The plasmid DNA prepared from this coexisting strain was used to transform E.coli C600 cells and was selected for Tc resistant transformants on L-broth plate containing 12.5ug Tc per ml.After the transformants had grown on Tc containing plates,E.coli C600/pBR322::Tn233 (CH) strain was selected from these colonies on the same medium containing 12.5ug/ml Sm by replica method.Then plasmid DNA was extracted from E.coli C600/pBR322:: Tn233 (CH) cells.The purified plasmid DNA preparations were digested by restriction endonuclease BamHI,EcoRⅡ,PstI,HindⅢ,PvuII and subjected to electrophoresis through agarose horizontal gel slabs and polyacrylamide gel in Tris-Acetate or Loening bouffer using DNA digested by both BamHⅠ and EcoRI,T5 DNA digested by Hindlll and M13 DNA digested by HaeⅢ as mobility markers.The molecular weight of these DNA fragments were measured.The molecular weight of plasmid pBR322:: Tn233 (CH) calculated by summation of all the bands to be of approximately 15.93×106 daltons,assuming that there is no deletion on pBR322 during the transposition experiment.If we take pBR322 as 2.87X106 daltons,the molecular weight of Tn233 (CH) is 13.06×106 daltons.The electrophoresis results also indicated that the number of substrate site of restriction endonuclease BamHI,EcoRI,PstI,HindⅢ and PvuⅡ on the Tn233 (CH) DNA sequence were 5,9,1,6 and 2 respectively.

转座子Tn233(CH)带有str sul抗性基因,最早是在痢疾杆菌的抗药质粒DR233(Tc~r Cm~r Sm~r Su~r)中发现的。现在通过菌株间的配对,将插入了Tn233(CH)转座子的质粒R144drd3::Tn233(CH)转移到E·coli C600/pBR322(Ap~r、Tc~r)细胞中,组成两种质粒共存的菌株。从此菌株中提取出质粒DNA,用转化方法使它转移到E.coli C600菌株,再从所得到的转化子中用复印方法筛选出Tn233(CH)转座到pBR322质粒的转化子E.coli C600/pBR322::Tn233(CH),然后提出此质粒DNA,经限制性内切酶BamHⅠ、EcoRⅠ、PstⅠ、HindⅢ与PvuⅡ等酶切后,在琼脂糖凝胶平板与聚丙烯酰胺凝胶柱上进行电泳分析,分别以BamHⅠ与EcoRⅠ双重酶解的λDNA、HindⅢ酶解的T5DNA、HaeⅢ酶解的M13 DNA与HaeⅢ酶解的pBR322 DNA作为泳动的标记,计算出质粒酶解片段的分子量,用此方法算出各片段分子量的总和为15.93×10~6道尔顿,此即为所求的pBR322::Tn233(CH)分子量,将此值减去pBR322...

转座子Tn233(CH)带有str sul抗性基因,最早是在痢疾杆菌的抗药质粒DR233(Tc~r Cm~r Sm~r Su~r)中发现的。现在通过菌株间的配对,将插入了Tn233(CH)转座子的质粒R144drd3::Tn233(CH)转移到E·coli C600/pBR322(Ap~r、Tc~r)细胞中,组成两种质粒共存的菌株。从此菌株中提取出质粒DNA,用转化方法使它转移到E.coli C600菌株,再从所得到的转化子中用复印方法筛选出Tn233(CH)转座到pBR322质粒的转化子E.coli C600/pBR322::Tn233(CH),然后提出此质粒DNA,经限制性内切酶BamHⅠ、EcoRⅠ、PstⅠ、HindⅢ与PvuⅡ等酶切后,在琼脂糖凝胶平板与聚丙烯酰胺凝胶柱上进行电泳分析,分别以BamHⅠ与EcoRⅠ双重酶解的λDNA、HindⅢ酶解的T5DNA、HaeⅢ酶解的M13 DNA与HaeⅢ酶解的pBR322 DNA作为泳动的标记,计算出质粒酶解片段的分子量,用此方法算出各片段分子量的总和为15.93×10~6道尔顿,此即为所求的pBR322::Tn233(CH)分子量,将此值减去pBR322的分子置2.87×10~6道尔顿,得到Tn233(CH)的分子量为13.06×10~6道尔顿。电泳结果还表明在Tn233(CH)DNA分子上,BamHⅠ、EcoRⅠ、PstⅠ、HindⅢ与PvuⅡ分别有5、9、1、6、2个切点数。

 
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