Results 1 to 10 of about 9,580,623 (304)

Split-Plot Designs with Few Whole Plot Factors Containing Clear Effects

Fractal and Fractional, 2022
Fractional factorial split-plot designs are widely used when it is impractical to perform fractional factorial experiments in a completely random order.
Yuna Zhao
doaj   +1 more source

Seeds for effective oligonucleotide design [PDF]

BMC Genomics, 2011
Background DNA oligonucleotides are a very useful tool in biology. The best algorithms for designing good DNA oligonucleotides are filtering out unsuitable regions using a seeding approach. Determining the quality of the seeds is crucial for the performance of these algorithms.
Ilie, Lucian, Ilie, Silvana, Khoshraftar, Shima, Bigvand, Anahita Mansouri   +3 more
openaire   +6 more sources

Ultrafast (600 ps) α-ray scintillators

PhotoniX, 2022
Large-size scintillators with high efficiency and ultrafast radiation fluorescence have shown more potential in the applications to ionizing radiation detection of medical diagnosis, nuclear control and high-energy physics.
Richeng Lin, Yanming Zhu, Liang Chen, Wei Zheng, Mengxuan Xu, Jinlu Ruan, Renfu Li, Titao Li, Zhuogeng Lin, Lu Cheng, Ying Ding, Feng Huang, Xiaoping Ouyang   +12 more
doaj   +1 more source

Traffic rate forecasting inaccuracy influence on road construction and reconstruction projects’ economic efficiency

Transportnye Sooruženiâ, 2022
Timeliness. Today financing road development and maintenance is one of the defining issues in ensuring the economic growth of any country since investments in road infrastructure are strategic.
Konstantin S. Mikryukov
doaj   +1 more source

The Magic Methyl and Its Tricks in Drug Discovery and Development

Pharmaceuticals, 2023
One of the key scientific aspects of small-molecule drug discovery and development is the analysis of the relationship between its chemical structure and biological activity.
Pedro de Sena Murteira Pinheiro, Lucas Silva Franco, Carlos Alberto Manssour Fraga   +2 more
doaj   +1 more source

Cross-sectional variance estimation for the French "Labor Force Survey"

Survey Research Methods, 2007
This paper describes the method that was implemented by the Statistical Office of France (INSEE) to calculate cross-sectional variance estimates for the French “Labour Force Survey” (LFS).
Pascal Ardilly, Guillaume Osier
doaj   +1 more source

Design methods of Coanda effect nozzle with two streams [PDF]

INCAS Bulletin, 2014
This paper continues recent research of the authors about the ACHEON Coanda effect two streams nozzle. This nozzle aims to produce an effective deflection of a propulsive jet with a correspondent deviation of the thrust vector in a 2D plane. On the basis
Michele TRANCOSSI, Antonio DUMAS, Shyam Sumantha DAS, Jose PASCOA   +3 more
doaj   +1 more source

Factors affecting the results of concrete compression testing: A review

Ain Shams Engineering Journal, 2021
Concrete compression is complex. Yet, understanding this behavior is indispensable for design. There are three main factors that affect concrete compression results: the specimen size, shape, and friction at its ends.
Abdalla Talaat, Abdelrhman Emad, Ahmed Tarek, Mohamed Masbouba, Ashraf Essam, Mohamed Kohail   +5 more
doaj   +1 more source

Research progress on texture design regulating surface performance

Xi'an Gongcheng Daxue xuebao, 2021
The design of surface texture plays an important role in its surface performance and range of use. The main function principle of surface texture affecting friction behavior is introduced in the article. Many studies have found that the area ratio, shape,
Feifei GUO, Yifei YANG, Mingji REN
doaj   +1 more source

Intracluster Homogeneity Selection Problem in a Business Survey

Business Systems Research, 2016
Background: In the cluster sampling approach many parameters have influence on lowering the survey costs and one of the most important is the intracluster homogeneity.
Žmuk Berislav
doaj   +1 more source