Results 31 to 40 of about 2,105,065 (292)

Coupling and Decoupling Measurement Method of Complete Geometric Errors for Multi-Axis Machine Tools

Applied Sciences, 2020
Precision and ultra-precision machining technology rely mainly on the machine tools’ accuracy. To improve it, the measurement, calculation, prediction and control of geometric errors are critical.
Hongwei Wang, Yan Ran, Shengyong Zhang, Yulong Li   +3 more
doaj   +1 more source

Russian Regional Politicians’ Income and Property Declarations: a Pilot Study and Quality Assessment of Administrative Data

Социологический журнал, 2021
The article presents the experience of converting non-targeted administrative data into research data, using as an example data on the income and property of deputies from local legislative bodies of the Russian Federation for 2019, collected as part of ...
Tatyana Yu. Cherkashina
doaj   +1 more source

A Theory of Errors in Quantum Measurement

, 2003
It is common to model random errors in a classical measurement by the normal (Gaussian) distribution, because of the central limit theorem. In the quantum theory, the analogous hypothesis is that the matrix elements of the error in an observable are ...
Mehta M. L., Porter C. E., Rao C. R., S. G. Rajeev, von Neumann J.   +4 more
core   +1 more source

Cognitive Functioning in Vorinostat‐Treated Pediatric and Young Adult Patients Over the First 180 Days After Hematopoietic Stem Cell Transplant

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Cognitive and psychological difficulties could negatively interfere with treatment adherence and quality of life before and after hematopoietic stem cell transplant (HSCT). Methods to mitigate these changes may have positive effects on treatment success.
Kristen L. Votruba, Michelle Rozwadowski, Thomas Braun, April Rahrig, Edward Peres, Kirsten M. Williams, Vanessa Fabrizio, Julie‐An Talano, Carrie L. Kitko, Nicolas Parnell, Pavan Reddy, Sung Won Choi   +11 more
wiley   +1 more source

Evaluating Multilingual Questionnaires: A Sociolinguistic Perspective

Survey Research Methods, 2014
This study aims to develop an assessment tool to evaluate multilingual questionnaires by categorizing the types of translation issues that can lead to measurement errors in cross-cultural surveys.
Yuling Pan, Marissa Fond
doaj   +1 more source

Measurement errors in body size of sea scallops (Placopecten magellanicus) and their effect on stock assessment models [PDF]

, 2010
Body-size measurement errors are usually ignored in stock assessments, but may be important when body-size data (e.g., from visual sur veys) are imprecise.
Allard, Melissa A., Chute, Antonie, Harris, Bradley P., Hart, Deborah, Jacobson, Larry D., Jaffarian, Tom, Marino II, Michael C., Nogueira, Jacob I., Rago, Paul, Stokesbury, Kevin D. E.   +9 more
core  

On the Estimation of the Linear Relation when the Error Variances are known [PDF]

, 2006
The present article considers the problem of consistent estimation in measurement error models. A linear relation with not necessarily normally distributed measurement errors is considered.
Schneeweiß, Hans, Shalabh
core   +2 more sources

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

FEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi, Pilar Samperio Ventayol, Natalie Burkard, Nicolas Schlegel, Carmen Aguilar, Sina Bartfeld   +5 more
wiley   +1 more source

Differential‐sampling control algorithm and theoretical analysis for programmable‐Josephson‐voltage‐standard traceability application

IET Science, Measurement & Technology
The programmable Josephson voltage standard (PJVS) provides a new way and higher accuracy for the traceability of traditional measurement standards.
Xiaodong Yin, Qi Nie, Xiaofei Li, Feng Zhou, Haoliang Hu, Feitong Zeng   +5 more
doaj   +1 more source

Joint angle measurement of manipulator and error compensation based on an IMU sensor

The Journal of Engineering, 2019
To detect the joint angle of the manipulator accurately, a measuring method based on an IMU sensor is proposed. The sensor's attitude angles and corresponding rotation matrix are obtained according to the data of three-axis gyroscope and three-axis ...
Tianlin Zhang, Sheng Chen, Guozheng Xu, Chao Wang, Caiming Tan   +4 more
doaj   +1 more source