نتایج جستجو برای: Cr Powder

تعداد نتایج: 91916  

2015
Kuan-Yu Chen

Microstructural and electrical properties of Cu-chromium alloy (Cu-Cr) dispersed with vapor-grown carbon fiber (VGCF) prepared by powder metallurgy (P/M) process have been investigated. Cu-0.7 mass% Cr pre-alloyed powder (Cu-Cr) made by water atomization process was used as raw materials, which contained solid solute Cr elements in Cu matrix. The alloy powder coated with un-bundled VGCF by usin...

Journal: :global journal of environmental science and management 0
d. sivakumar department of civil engineering, vel tech high tech dr.rangarajan dr.sakunthala engineering college, avadi, chennai, tamil nadu, india

present study dealt the removal of cr(vi) in a tannery industry wastewater using rice husk silica powder as an adsorbent.the experimental investigations have been carried out by using rice husk silica powder for different adsorption dosage, different contact time and different ph against the initial cr(vi) concentration of 292 mg/l. the maximum percentage removal of cr(vi) in the tannery indust...

2014
D. Sivakumar

Present study dealt the removal of Cr(VI) in a tannery industry wastewater using rice husk silica powder as an adsorbent.The experimental investigations have been carried out by using rice husk silica powder for different adsorption dosage, different contact time and different pH against the initial Cr(VI) concentration of 292 mg/L. The maximum percentage removal of Cr(VI) in a tannery industri...

2011
Jung-Yeul Yun Hye-Moon Lee Si-Young Choi SangSun Yang Dong-Won Lee Young-Jin Kim Byoung-Kee Kim

Fe-Cr-Al alloy nanopowders were successfully prepared by electrical wire explosion method in ethyl alcohol media. The formation of FeCr-Al alloy nanopowder was monitored by X-ray diffraction. The alloy powders have spherical shape and nanometer size. The alloy powders prepared by the electrical wire explosion method have main crystal structures of bcc Fe-Cr alloy. The geometric mean diameter an...

Journal: :jundishapur journal of health sciences 0
ensiye fadaei alireza pourkhabbaz department of environmental engineering, university of birjand, birjand, ir iran mohammad javad amiri department of environmental engineering, tehran university, tehran, ir iran behnam barikbin department of public health, birjand university of medical sciences, birjand, ir iran ahmad jamshidi department of civil engineering, university of science and technology, tehran, ir iran samaneh biazar department of environmental engineering, university of birjand, birjand, ir iran

heavy metals in water resource are one of the most important environmental problems of countries. chromium is considered as one of the important environmental pollutants due to its toxicity considered as water contaminant that may disturb metabolic activity. this research aims to study the potential of jujube fruit powder for low cost adsorption of cr (vi) in compression with granular activated...

2013
Mee-Young Shin Young-Eun Cho Chana Park Ho-Yong Sohn Jae-Hwan Lim In-Sook Kwun

Yam (Dioscorea) has long been used as foods and folk medicine with the approved positive effects for health promotion. Although consumption of yam products is increasing for health promotion, reports for the metal contamination in commercial yam powder products to protect the consumers are lacking. In this study, we aimed to assess whether the commercial yam powder products were heavy metal con...

Journal: :Anesthesiology 2011
Justin L Lockman Eugenie S Heitmiller Judith A Ascenzi Ivor Berkowitz

T HE central venous catheter (CVC) is an essential tool in the care of critically ill and high-risk intraoperative patients. Catheterrelated bloodstream infection (CR-BSI) related to CVC insertion technique has been greatly reduced by the use of preventive protocols. However, late CR-BSI remains a significant threat to patient safety and healthcare cost containment. Appropriate CVC maintenance ...

Present study dealt the removal of Cr(VI) in a tannery industry wastewater using rice husk silica powder as an adsorbent.The experimental investigations have been carried out by using rice husk silica powder for different adsorption dosage, different contact time and different pH against the initial Cr(VI) concentration of 292 mg/L. The maximum percentage removal of Cr(VI) in the tannery indust...

In this work, mechanical alloying was employed to produce Ti-50Al and Ti-45Al-5Cr (at%) alloys. Alloying was performed in a planetary mill and the alloying time varying from 5 to 70h. Characterization of the powder mixture was performed by X-ray diffraction (XRD), SEM analyses and DTA test, during mechanical alloying and after annealing at 1100°c in vacuum oven. The results showed, after 50h of...

Journal: :Journal of applied physiology 2004
C Prosser K Stelwagen R Cummins P Guerin N Gill C Milne

Male Sprague-Dawley rats were assigned to one of three dietary groups [standard diet (Cont; n = 8), standard diet plus bovine colostrum powder (BColost 1.7 g/kg; n = 8), or goat milk powder (GMilk 1.7 g/kg; n = 8)] to determine the ability of these supplements to reduce gastrointestinal hyperpermeability induced by heat. Raising core body temperature of rats to 41.5 degrees C increased transfer...

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