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  以往
     On the basis of previous study,in which two target sequences with favorable RNAi effect on HER2 were identified, a series of dual promoter siRNA-expressing vectors containing two opposing U6 and H1 promoters were constructed. After transfection of HER2-overexpressing SKBR3 breast cancer cells with the siRNA-expressing vectors, downregulation of HER2 was identified quantitatively.
     在以往鉴定的对HER2有良好RNAi效应的靶序列的基础上,构建了一系列U6和H1双启动子小干涉RNA(siRNA)表达载体,并转染HER2高表达乳腺癌SKBR3细胞定量测定了其HER2下调效应。
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     2) the predictability precision is 88.46% and 75.64% for T-3 and T-4,respectively,superior to that of counterparts and the previous research.
     2)模型提前3年和4年的预测能力分别为88.46%和75.64%,较之以往同行的研究及作者前期的研究精度均有较大的提高.
短句来源
     The previous researches concentrated on analysis of the standard map in theory.
     以往对于标准映射的研究主要集中在理论分析,而对于标准映射中的混沌产生过程研究较少。
短句来源
     To overcome the disadvantage of the symmetry of input and frequency planes in the previous optical image encoding systems,an improved encryption method is proposed.
     针对以往光学图像加密系统中输入面和频谱面对称性的缺点,在不增加系统元件的基础上,利用球面波照射不对称非标准傅里叶变换系统进行图像加密。
短句来源
     This paper presents a novel test scheduling solution, unlike previous techniques that take advantage of balanced scan chains of every single core, utilizing the balance of pairwise combined cores.
     不同于以往基于单个芯核扫描链平衡的调度技术,本文提出的对平衡调度技术是利用两个芯核配对后扫描链可能比单个芯核扫描链更平衡,获得比单平衡更短的测试时间。
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  前人
     Calculating with the molar absorption coefficient[38000 L/(mol·cm~2)]of Maldener et al. (2001)shows that the“water”contents in rutiles are 324 to 523×10~(-6),which is greatly lower than the previous researcher's result calculated with the molar absorption coefficient[3270 L/(mol·cm~2)]of Hammer et al. , (1991).
     采用最新标定的摩尔吸收系数[38000 L/(mol·cm~2)]计算表明,金红石结构水含量在324×10~(-6)~523×10~(-6)范围内,远较前人有关金红石结构水含量的计算结果为低。
短句来源
     On the basis of previous researches and the quantitative remote sensing results, in this paper the variability trend of NDVI from 1982 to 2004 in Ningxia area is studied by using GIMMS NDVI data and MODIS data.
     本文在前人研究成果的基础上,采用定量遥感技术,应用美国国家航空航天局最新的全球植被指数变化研究数据(GIMMS)及MODIS数据作为数据源,对宁夏地区1982-2004年间的植被指数变化幅度及变化趋势进行了研究对比。
短句来源
     Combining with previous achievements,the functioning mechanism of pulse electric filed was also studied.
     在电场对主要元素的分布影响方面做出了探索性的研究,并结合前人的研究成果,浅析了脉冲电场的作用机制。
短句来源
     The results show that the interfacial tension between CaO-Al2O3 slag melt and Fe-Ni alloy melt is consistent with the previous results
     计算所得CaO-Al2O3与Fe-Ni间的界面张力与前人的计算结果基本一致。
     The zircon SHRIMP U-Pb dating results suggest that the Qiongzhong and Danxian granites were emplaced at 237 3 Ma and 186 3 Ma, respectively, which argued against the previous thoughts that all the foliated granites with orientated structure in Hainan Island formed duing the Hercynian - Indosinian episode.
     高精度SHRIMP锆石U-Pb定年显示琼中岩基形成于印支期(237±3Ma),而儋县岩基形成于燕山早期(186±3Ma),修正了前人将海南岛具有定向构造的变形花岗岩等同于海西—印支期花岗岩的认识。
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  前期
     Previous studies determined the promoter region of BRD7 gene,and located this region in 450 bp(-404~+46 bp).
     前期工作已克隆了BRD7基因启动子区,并将其启动子定位于450bp(-404~+46bp)的区域.
短句来源
     Based on the previous experiment, and defined that the optimization medicament dispensation of this experiment was Mg2+ for 2mg/L,Fe3+ for 10mg/L,Cu2+for O. 3mg/L,A13+ for 15mg/L.
     最后经过实验完善前期的除藻剂配方,确定本次实验的最佳化学药剂配方为Al~(3+)为10mg/L,Cu~(2+)为0.3mg/L,Mg~(2+)为2mg/L,Fe~(3+)为15mg/L。
短句来源
     Previous studies have shown that FRAT1 (frequently rearranged in advanced T-cell lymphomas 1) and EB1 (end-binding protein 1) are strikingly overexpressed in some human cancer cell lines.
     本室前期的实验结果和文献报道提示,FRAT1(frequently rearranged in advanced T-cell lymphomas 1)和EB1(end-binding protein 1)在一些肿瘤(如食管癌等)中高表达;
短句来源
     Our previous work has shown that m-M-CSF (MAFJ6-1) and M-CSFR (MAFJ6-1R) were highly co-expressed in human leukemic cell line J6-1, from which we have successfully cloned cDNA of MAFJ6-1 and MAFJ6-1R.
     我室的前期研究结果也表明:人白血病细胞系J6-1存在m-M-CSF(MAFJ6-1)和M-CSFR(MAFJ6-1R)的异常表达增高。
短句来源
     In our previous work, anionic poly(styrene-acrylic acid) (PSA-A) with a lot of COO- groups covering on its surface was prepared using Poly(C9-acrylic acid) (P(C_9-AA)) as emulsifier and it was used as template for preparing CdS, ZrO_2 hollow spheres and Ag/TiO_2, CdS/TiO_2 composite hollow spheres.
     本课题组在前期工作中,以聚(C_9油-丙烯酸)[P(C_9-AA)]为乳化剂,制备了表面负载有羧基的苯乙烯-丙稀酸(酯)共聚物阴离子(PSA-A)乳胶粒,并以此阴离子乳胶粒为模板制备了CdS、ZrO_2空心微球和Ag/TiO_2、CdS/TiO_2复合空心微球;
短句来源
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  以前
     On the basis of the Franck-Condon factor consideration, the IE of (10.43±0.02) eV determined in the previous single-photon ionization experiment most likely corresponds to the ionization threshold for the H_2CCC→H_2CCC~+(~2A_1, C_(2v)) transition.
     在考虑Frank-Condon因子基础上,以前单光子电离实验所测定的(10.43±0.02)eV电离能最可能对应于H_2CCC→H_2CCC+(~2A_1,C_(2v))跃迁的电离阈值。
短句来源
     From the reflection spectrum of PbMo6S8 the charge transfer from Mo6S8 cluster to Pb atom is calculated to be 1.18 instead of 2 electrons being transferred from Pb atom to Mo6S8 cluster as generally recognized in previous literatures.
     结合PbMo_6S_8的反射光谱,求得Mo_6S_8原子簇至Pb的电子转移数为1.18,和以前一般文献上认为的两个电子从Pb转移至Mo_6S_8不同。
短句来源
     Compared with the previous ways of design,the implementation and the importance of virtual design in the development of modern product have been discussed.
     通过与以前设计方式的比较,更深一步探讨了虚拟设计如何在现代产品开发中实现,提出了虚拟设计在现代产品开发中的重要作用;
短句来源
     Results show that the positive rate of three tests are 56. 3% ,21. 9% and 43. 8% seperately before operation, which is approximate to our previous random study on vasectomized men(52. 1%,23. 9% and 27. 4%).
     其结果为切除术前3项试验的阳性率各为56.3%、21.9%和43.8%,与我们以前所作随机调查绝育者的结果相近(52.1%、23.9%和27.4%).
短句来源
     The three other systems found by previous investigators(Za=0.954,1.7605,1.9637denoted B、E and H respectively)are shown to have been misidentified.
     表明以前研究者发现的其他三个红移系统(系统 B,红移0.954;系统 E,红移1.7605;系统 H,红移1.8637)都是误认。
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The fiberization of affine systems via dual Gramian techniques, which was developed in previous papers of the authors, is applied here for the study of affine frames that have an affine dual system.
      
Our proofs proceed in the time domain and allow us to represent each solution regardless of the spectral radius of P(0):=2-s∑cα, which has been a difficulty in previous investigations of this nature.
      
Another generalization is obtained in the context of representations of Jordan algebras, in the spirit of Herz's previous work on matrix spaces.
      
This has significant advantages over the previous work.
      
The article extends upon previous work by Temlyakov, Konyagin, and Wojtaszczyk on comparing the error of certain greedy algorithms with that of best m-term approximation with respect to a general biorthogonal system in a Banach space X.
      
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