نتایج جستجو برای: especially copper

تعداد نتایج: 471932  

Journal: :Personality & social psychology bulletin 2015
Emma E Buchtel Yanjun Guan Qin Peng Yanjie Su Biao Sang Sylvia Xiaohua Chen Michael Harris Bond

What makes some acts immoral? Although Western theories of morality often define harmful behaviors as centrally immoral, whether this is applicable to other cultures is still under debate. In particular, Confucianism emphasizes civility as fundamental to moral excellence. We describe three studies examining how the word immoral is used by Chinese and Westerners. Layperson-generated examples wer...

Journal: :Journal of Engineering and Technological Sciences 2022

Indonesia is a leading producer of wide range minerals, including copper. Nonetheless, the copper-based industry in still not well developed, especially limited number products from intermediate copper which will become raw materials for its downstream industry. The underdeveloped has forced to import several types semi-finished meet needs On other hand, mining exports concentrate and some cath...

2016
Un-Bin Han Jang-Sik Lee

A facile and versatile scheme is demonstrated to fabricate nanoscale resistive switching memory devices that exhibit reliable bipolar switching behavior. A solution process is used to synthesize the copper oxide layer into 250-nm via-holes that had been patterned in Si wafers. Direct bottom-up filling of copper oxide can facilitate fabrication of nanoscale memory devices without using vacuum de...

Journal: :Ortopedia, traumatologia, rehabilitacja 2005
Beata Lacka-Gaździk Zygmunt Klosa Tadeusz S Gaździk Józef Wawrzyczek

Background. The existence of toxic metallic elements in the environment is one of the most important factors influencing the metabolism of calcium. The aim of our study was to compare the incidence of osteoporosis in Upper Silesia to the level of environmental pollution with lead, cadmium, zinc, and copper. Material and methods. An epidemiological data base gathered by the Silesian Branch of th...

2011
Frisco Rose Miroslav Hodak Jerzy Bernholc

α-synuclein (aS) is a natively unfolded pre-synaptic protein found in all Parkinson's disease patients as the major component of fibrillar plaques. Metal ions, and especially Cu(II), have been demonstrated to accelerate aggregation of aS into fibrillar plaques, the precursors to Lewy bodies. In this work, copper binding to aS is investigated by a combination of quantum and molecular mechanics s...

2013
H. Pashazadeh A. Masoumi

The objective of this study was to develop a numerical model for the prediction of temperature distribution, effective plastic strain distribution, and especially material flow in friction stir welding of copper plates. The DEFORM-3D software was used by incorporating a lagrangian incremental formulation. Threedimensional results of the material flow pattern which were extracted using the point...

Journal: :Veterinary parasitology 2004
J M Burke J E Miller D D Olcott B M Olcott T H Terrill

The objective of the experiment was to determine the optimal dose of copper oxide wire particles (COWPs) to reduce infection of Haemonchus contortus in male lambs. Five to six-month-old hair breed lambs were housed on concrete and fed 450 (L; n = 25) or 675 g (H; n = 25) corn/soybean meal supplement and bermudagrass hay. In July, lambs were inoculated with 10,000 L(3) larvae (97% H. contortus; ...

2016
Nina Cedergreen Nils Jakob Nørhave Claus Svendsen David J. Spurgeon Jonathan H Freedman

A wealth of studies has investigated how chemical sensitivity is affected by temperature, however, almost always under different constant rather than more realistic fluctuating regimes. Here we compared how the nematode Caenorhabditis elegans responds to copper at constant temperatures (8-24°C) and under fluctuation conditions of low (±4°C) and high (±8°C) amplitude (averages of 12, 16, 20°C an...

2018
Lei Wang Fanglin Zheng Weixin Zhang Yaohua Zhong Guanjun Chen Xiangfeng Meng Weifeng Liu

Background Trichoderma reesei is a primary lignocellulosic enzyme producer in industry. However, the mechanisms underlying cellulase synthesis as well as other physiological processes are insufficiently understood partly due to the sophisticated process for its genetic manipulation. Target gene knockdown by RNA interference (RNAi) is a powerful tool for genetic research and biotechnology in euk...

Journal: :American journal of public health 1983
H W Mielke J C Anderson K J Berry P W Mielke R L Chaney M Leech

Soil samples were randomly collected from 422 vegetable gardens in a study area centered in downtown Baltimore, Maryland, and having a radius of 48.28 km (30 miles). The levels of lead, four other metals (cadmium, copper, nickel, and zinc), and pH were measured for each location. The application of multi-response permutation procedures, which are compatible with mapping techniques, reveals that...

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