Results 21 to 30 of about 244,017 (337)
Rekayasa Mesin, 2023 Solid particles have a higher thermal conductivity compared to a fluid. Therefore, it is a common practice to disperse solid particles inside a base fluid to increase its thermal conductivity.
Wahyuaji Narottama Putra +4 more
doaj +1 more source
Knowledge and Management of Aquatic Ecosystems, 1978 Ce travail décrit les conditions d'expérimentation d'un polychlorobiphényle commercial sur les différents maillons d'une chaîne alimentaire en eau douce : algues-crustacés-poissons. Après avoir déterminé les modalités de contamination compatibles avec la
CAZIN J. C. +4 more
doaj +1 more source
Julius-Kühn-Archiv, 2018 Phosphine’s continued use in Australia to control grain insect pests in on-farm and central storage systems is threatened through increased resistance in both frequency and strength in target insect pests. Effective fumigation combined with best practice
Botta, Peter +5 more
doaj +1 more source
Вестник Дагестанского государственного технического университета: Технические науки, 2022 Objective. The article studies the problem of adequate assessment of the level of acquired knowledge and skills with design of modules based on printed circuit boards (PCB) using CAD PCB.
K. K. Hoang, Yu. V. Donetskaya
doaj +1 more source
Image Processing-based Automatic Printed Circuit Board Printing Machine
Jurnal Elkomika, 2023 ABSTRAK Mesin Computer Numerical Control (CNC) telah umum digunakan saat ini, salah satunya dalam pembuatan Printed Circuit Board (PCB). Pada paper ini, mesin pencetak PCB berbasis image processing dirancang dengan menggunakan Raspberry Pi, dimana file ...
NINDY PRATIWI ABUNG +3 more
doaj +1 more source
Polychlorinated biphenyls in air and water of the North Atlantic and Arctic Ocean. [PDF]
, 2008 Air and seawater samples were collected on board the R/V Polarstern during a scientific expedition from Germany to the Arctic Ocean during June–August 2004.
Dachs, Jordi +7 more
core +3 more sources
Evaluating the Role of the Steroid and Xenobiotic Receptor (SXR/PXR) in PCB-153 Metabolism and Protection against Associated Adverse Effects during Perinatal and Chronic Exposure in Mice. [PDF]
, 2020 BACKGROUND:Polychlorinated biphenyls (PCBs) are environmental toxicants; PCB exposure has been associated with adverse effects on wildlife and humans. However, the mechanisms underlying these adverse effects are not fully understood.
Ambrosio, Maria Elena +6 more
core
Use of Desulfovibrio and Escherichia coli Pd-nanocatalysts in reduction of Cr(VI) and hydrogenolytic dehalogenation of polychlorinated biphenyls and used transformer oil [PDF]
, 2012 BACKGROUND Desulfovibrio spp. biofabricate metallic nanoparticles (e.g. ‘Bio-Pd’) which catalyse the reduction of Cr(VI) to Cr(III) and dehalogenate polychlorinated biphenyls (PCBs). Desulfovibrio spp.
Baxter-Plant, VS +7 more
core +1 more source
Наука и техника, 2017 The article is devoted to the experimental evaluation of the efficacy of electrical discharge machining (modification) worn cylindrical working surface of the steel of boron in order to restore its cutting ability.
M. G. KiselevG. +3 more
doaj +1 more source
Legacy pollutants are declining in Great Skuas (Stercorarius skua) but remain higher in Faroe Islands than in Scotland [PDF]
, 2016 To monitor environmental pollutants in Faroese biota, samples from a top predator were analysed and put into a spatial and temporal context. Analysis of 20 Great Skua eggs sampled in 2012 from the Faroe Islands showed >70 % lower concentrations of ...
Alonso, Sarah +5 more
core +2 more sources