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1)  DB-Index criterion
DB-Index准则
2)  DB Index criterion
DB Index准则
1.
And clustering models' validity was estimated by DB Index criterion.
首先给出了基于系统聚类的突出预报数据关联性分析方法,通过DB Index准则判断聚类模型的有效性。
2.
For the recognition of different similar target-on-sea objects,a set of wavelet moment invariants are applied based on the invariant moment theory and wavelet analysis,and a feature selection method based on the DB Index criterion is presented in order to get a locally optimum feature set.
针对识别海上目标时不同目标相似性大的特点,将不变矩理论与小波分析相结合,本文引入一种基于小波矩不变量的特征提取法,并且为得到一组局部最优特征组而提出一种结合DB Index准则的特征选择法。
3)  db/db mice
db/db小鼠
1.
The ultrastructure study of the hippocampus in genetically obese diabetic db/db mice;
2型糖尿病模型db/db小鼠海马超微结构观察
2.
Kidney samples were obtained from db/db mice and their db/m littermates at the age of 4, 8, 12, 16, 20 and 24 weeks.
利用半定量RT-PCR和免疫组化的方法同时从mRNA水平和蛋白质水平对血管生成素样蛋白2在不同病理阶段的2型糖尿病肾病模型小鼠——db/db小鼠肾脏中的表达情况进行了较为系统的分析。
3.
Eight weeks old db/db mice were treated with or without rhein at a dosage of 150 mg/kg for 12 weeks.
用GM U74A基因芯片分别检测了正常对照组 (db/m小鼠 )、糖尿病肾病组 (db/db小鼠 )、大黄酸治疗组 (大黄酸 15 0mg/kg治疗 12周 )肾脏基因表达谱 。
4)  standard [英]['stændəd]  [美]['stændɚd]
准则
1.
On design standards of flood control in hydropower stations;
水电站防洪设计几个准则的商榷
2.
Think of Debt Recomposed Standard;
关于债务重组准则的几点思考
5)  Rule [英][ru:l]  [美][rul]
准则
1.
On the rule of debt-recombination;
债务重组准则问题的探讨
2.
Carry out the rule of debt recombine,build up the reliability of announced enterprise accounting information;
贯彻债务重组准则,增强企业会计信息披露的可信度
3.
Based on the analysis of nonlinear dynamics to time series of strain and stress which are tested by MTS to lots of joint systems of sandstone specimens,a new rule to find the largest Lyapunov exponent is established by introducing LE1-m mathematical model and unit-step function.
基于对大量砂岩试样裂隙系统的MTS全应力–应变时间序列的非线性动力学分析,构造单位阶跃函数并引入到最大Lyapunov指数LE1的判别模型中,建立了确定LE1的新准则。
6)  criteria [英][krai'tiəriə]  [美][kraɪ'tɪrɪə]
准则
1.
Classification criteria of potential landslides susceptibility assessment for Mukence watershed;
台东木坑溪集水区潜在崩塌评估准则之建立
2.
Analysis and research for risk assessment criteria of underground engineering
地下工程风险评估准则分析与研究
3.
Comparative study of the validity of the international criteria for blood smear review on two types of hematology analyzers
国际血涂片复审准则对于2类血细胞分析仪的比较研究
补充资料:002(Db)
分子式:
分子量:
CAS号:

性质:周期系第Ⅴ族副族元素。原子序数105。一种人工放射性元素。有6种同位素,其中002262的半衰期最长,为35秒。原子量262.1144。1968年俄国人Γ.Η.福廖洛夫(флepoв)等用加速的氖离子(22Ne)轰击靶首次制得002。其后1970年美国人吉奥索(Ghiorso)用氮离子(15N)轰击锎靶也合成出002。为纪念设在杜布纳(Dubna)的俄国国家核子研究所而得名。

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