Results 21 to 30 of about 292,978 (308)

بررسی تاثیر حضور ذرات اکسید تیتانیوم در جلوگیری از رشد دانه‌های NiTi در فرآیند تف‌جوشی [PDF]

نشریه مهندسی متالورژی و مواد, 2022
یکی از مشکلات تف­جوشی مواد نانو اندازه، رشد دانه در حین این فرایند است. از آنجایی که کارایی­های منحصر به‌فرد مواد نانو تا زمانی که در محدوده اندازه زیر 100 نانومتر باشند، وجود دارد، به­منظور جلوگیری از این پدیده و کاهش سرعت رشد دانه­ها راهکارهای مختلفی ...
هادی نصیری, مرتضی گل محمدی   +1 more
doaj   +1 more source

The Effect of Ceo2 Addition on Transformation Temperatures and Wear Resistance of Cu-Al-Ni Shape Memory Alloys [PDF]

Engineering and Technology Journal, 2022
SMAs can switch from one crystallographic structure to another in response to temperature or stress stimuli. When SMAs are exposed to mechanical cyclic stress, they can absorb and discharge mechanical energy by experiencing a reversible hysteretic shape ...
Dina Hammadi, Raad Ahmed Adnan, Mohammed Al-Sarraf   +2 more
doaj   +1 more source

Reproductive efficiency and milk yield in Sindhi breed cattle

Brazilian Journal of Veterinary Medicine, 2020
The aim of this study was to identify the average of productive and reproductive traits in Red Sindhi females and evaluate if there is an influence of the reproductive traits on milk yield in this breed. Data related to reproductive and productive traits
Rafaella da Rocha Olivieri de Barros, Raquel Rodrigues Costa Mello, Sabrina Luzia Gregio de Sousa, Kaliane Nascimento de Oliveira, Jorge Carlos Dias de Sousa, Elisa Cristina Modesto, Marco Roberto Bourg de Mello   +6 more
doaj   +1 more source

Solid-state analysis of amorphous solid dispersions: Why DSC and XRPD may not be regarded as stand-alone techniques.

Journal of Pharmaceutical and Biomedical Analysis, 2020
Amorphous solid dispersions (ASDs) are single-phase amorphous systems, where drug molecules are molecularly dispersed (dissolved) in a polymer matrix. The molecular dispersion of the drug molecules is responsible for their improved dissolution properties.
Sien Dedroog, T. Pas, B. Vergauwen, Christophe Huygens, G. Van den Mooter   +4 more
semanticscholar   +1 more source

Crystalline forms of silver iodide II: Determination of phase transformations [PDF]

Journal of the Serbian Chemical Society, 2007
In order to obtain appropriate forms of AgI (β- and γ-), a procedure was developed to synthesize AgI at room temperature (23°C), whereby samples of varying crystallographic purity and of varying crystallographic contents of the different forms were ...
Vukić Marija R., Veselinović Dragan S., Marković Vesna G.   +2 more
doaj   +1 more source

Application of Differential Scanning Calorimetry (DSC) and Modulated Differential Scanning Calorimetry (MDSC) in Food and Drug Industries

Polymers, 2019
Phase transition issues in the field of foods and drugs have significantly influenced these industries and consequently attracted the attention of scientists and engineers.
C. Leyva-Porras, Pedro Cruz-Alcantar, V. Espinosa-Solís, E. Martínez‐Guerra, C. Piñón-Balderrama, Isaac Compeán Martínez, M. Z. Saavedra-Leos   +6 more
semanticscholar   +1 more source

COLLAPSE OF THE TRADITIONAL AGRICULTURAL CIVILIZATION IN THE MOUNTAINOUS DAGESTAN AND POSSIBLE WAYS TO OVERCOME THE CRISIS

Юг России: экология, развитие, 2015
The aim is to analyze the current state of mountain agriculture in a crisis of traditional agricultural civilization based on terraced agriculture.Results and discussion.
Z. M. Asadulaev, A. M. Musaev
doaj   +1 more source

Unveiling the Signature of Halal Leather: A Comparative Study of Surface Morphology, Functional Groups and Thermal Characteristics

Indonesian Journal of Halal Research, 2023
The halal certification of products holds significant importance for Muslim consumers, necessitating the development of reliable techniques for identifying leather products made from raw materials.
Muh Wahyu Syabani, Iswahyuni Iswahyuni, Warmiati Warmiati, Kutut Aji Prayitno, Henny Saraswati, Rahmandhika Firdauzha Hary Hernandha   +5 more
doaj   +1 more source

Elaboration and Characterization of Flax Fiber Reinforced High Density Polyethylene Biocomposite: Effect of the Heating Rate on Thermo-mechanical Properties

Journal of Natural Fibers, 2022
In this study, biocomposites of HDPE/flax fibers in different formulations were developed and their tensile, 3-point bending, and morphological properties were extensively characterized.
Azzedine Makhlouf, Ahmed Belaadi, Salah Amroune, Mostefa Bourchak, Hamid Satha   +4 more
doaj   +1 more source

Public attitudes on vaccines and seasonal influenza vaccination in Bulgaria [PDF]

Pharmacia
Vaccination has been scientifically proven to be the safest and most effective means of protection against influenza and of limiting the spread of the virus that causes it.
Ralitsa Zlatanova-Velikova, Tihomira Zlatanova, Nikolay Popov, Rosen Mihaylov, Tsvetelina Petrova-Gotova, Rumyana Yaneva, Mariya Lazarova, Miroslava Djuglarska, Stefan Velikov   +8 more
doaj   +3 more sources