1)  non-response
Jackknife方差估计
1.
In practical surveys, non-response is often unavoidable.
Jackknife方差估计量在均匀回答下是估计量方差的近似的设计无偏估计。
2)  Adjusted Jackknife Variance Estimation
调整的jackknife方差估计
3)  JA
JA
1.
The Transport and Distribution of JA and ABA in M.micromalus Makino and Their Relaton to Water in Soil;
JA、ABA在海棠幼苗和枝条中的传输分布以及与水分的关系
2.
Changes in ABA,JA,Polyamines Contents and Polyamine Oxidase Activity of Tomato Seedlings under PEG Stress;
聚乙二醇胁迫下的番茄幼苗内ABA、JA和多胺含量以及多胺氧化酶活性的变化
3.
Four clarifiers including bentonite,casein,egg white liquid and JA were applied respectively in the clarification of Gaocheng fermented wine and their effects were evaluated through the measurement of the absorbency value and light transmittance of the wine and the observation of wine precipitate and wine color change.
结果表明,皂土的最佳添加量为100 mL酒液加3 mL;干酪素的最佳添加量为100 mL酒液加1 mL;蛋清液的最佳添加量为100 mL酒液加2 mL;JA的最佳添加量为100 mL酒液加2 mL。
4)  JA agent
JA剂
1.
JA agent was used as antistaling agent for Rosa foxburghii tratt by forming the coating on the surface of the fruit.
对JA剂作保鲜剂对鲜刺梨果涂膜处理后在室温条件下贮藏情况进行了研究,分别对刺梨进行了失重、感官和Vc含量的检测。
5)  Me-JA
Me-JA
1.
Effects of CEPA, ABA and Me-JA on Formation of Lily Bulb in Test Tube;
CEPA、ABA和Me-JA对百合试管鳞茎形成的影响
6)  methyl-jasmonate
JA-Me
1.
Arabidopsis thaliana(ecotype Columbia)was treated with methyl-jasmonate(JA-Me)and the relations of JA-Me,H2O2 and inward potassium channel were examined by using patch clamp technique.
以外源茉莉酸甲酯(JA-Me)处理拟南芥,运用膜片钳技术研究JA-Me、过氧化氢(H2O2)和内向K+通道之间的关系,以探讨茉莉酸类物质(JAs)抑制根伸长生长分子机制。
参考词条
补充资料:方差估计值
分子式:
CAS号:

性质:由样本测定值计算的方差S2,称为样本方差,S2是总体方差σ2的无偏估计值。因此,S2又称为方差估计值或估计方差。S和σ分别为样品测定值的标准差和样本总体呈正态分布的标准差。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。