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This ball is made of a cobalt-chrome alloy, or ceramic, and matches the diameter of the bearing earlier fitted inside the artificial socket. Once the ball is placed in the socket during surgery, the surgeon must adjust leg lengths, implant stability, muscle …
Applying artificial intelligence and machine learning to the task of mineral prospecting and exploration is a very new phenomenon, which is gaining interest in the industry At the 2017 Disrupt Mining event in Toronto, Canada, …
Majid Sadeqzadeh et al [15, 16] addressed this phenomenon in detail in their two papers entitled mechanistic modeling of cobalt based catalyst sintering in a fixed bed reactor under different ...
Six laboratories employed laser powder-bed-fusion additive manufacturing, and two additional laboratories employed electronbeam powderbed fusion. For the five laboratories that employed nominally identical laser powder-bed fusion systems, the between-laboratory variability in yield strength and tensile strength was several times larger than the ...
Rising demand for minerals and metals, including for use in the technology sector, has led to a resurgence of interest in exploration of mineral resources located on the seabed. Such resources, whether seafloor massive (polymetallic) sulfides …
Synthetic Fuel. The use of synthetic fuels therefore has to have additional benefits (other than the lowest cost of energy) within a particular market, such as energy autonomy and providing an energy pathway for off-peak or low-cost electrical energy, rather than the risk that energy from low-carbon sources has to be curtailed at certain time due to a mismatch between supply and …
Coordination Complexes. Coordination compounds, such as the FeCl 4-ion and CrCl 3 6 NH 3, are called such because they contain ions or molecules linked, or coordinated, to a transition metal.They are also known as complex ions or coordination complexes because they are Lewis acid-base complexes. The ions or molecules that bind to transition-metal ions to form these …
The effect of flow rate on the biosorption of cobalt(II) in the fixed-bed with bed depth of 5 cm was investigated.The flow rate was changed in the range of 8–19 ml/min while the concentration of cobalt(II) in influent was kept at 40 ppm.The biosorption breakthrough curves obtained at different flow rates are shown in Fig. 2, and for the breakthrough time in the …
Amount and type of bedding material. Litter with larger wood shavings will have less nutrient content per unit weight compared to finer shavings. Similarly, if large quantities of peanut hulls are used as a bedding material and houses …
• Allergy or sensitivity to the implant materials (cobalt, chromium, molybdenum, polyethylene, titanium) • Severe spondylosis characterized by bridging osteophytes or a loss of disc height> 50% or an absence ofmotion (<2°), as this may lead to limited range of motion and may encourage bone
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Artificial methods of rearing goat kids are widely used overseas, and are gaining acceptance in Australia. They have a number of advantages over natural methods, particularly in more intensive commercial goat-breeding …
Cobalt blue (Thénard's blue) is a mixed oxide of cobalt and aluminum CoO • Al2O3. It can also be considered to be cobalt (II)-aluminate with the formula of CoAl2O4. It is very stable and is unaffected by heating and by concentrated acids and alkalis. The pigment is practically unaffected by light and is compatible with all other pigments.
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Oguz and Ersoy (2014) utilized sunflower biomass for the removal of cobalt(II) in fixed bed columns. They found a bed capacity of 11.68 mg/g at 40 …
Artificial replacement parts can be made of strong plastic, metal, or ceramic. In most cases, the femoral stem component is built from titanium, titanium cobalt, stainless steel, cobalt-chromium alloys, or a titanium and cobalt mixed metal. The head, liner and acetabular parts can be made of either metal, plastic or ceramic, or a combination of ...
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The aim of the experiment was a green synthesis of cobalt nanoparticles from the aqueous extract of Ziziphora clinopodioides Lam (CoNPs) …
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Cobalt is an important strategic metal of major industrial countries. In order to invoke the importance of the cobalt deposits to the strategic industries in China, this paper aims to introduce the different types of the cobalt deposits in the worldwide, to ...
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J. Mater. Sci. Technol. ›› 2020, Vol. 45: 146-156. DOI: 10.1016/j.jmst.2019.11.031 • Research Article • Previous Articles Next Articles Microstructural features of biomedical cobalt-chromium-molybdenum (CoCrMo) alloy from powder bed fusion to aging heat treatment
Allergic reaction to artificial knee parts is virtually unheard of, and is not a routine clinical concern. In the extremely rare case of a true metal allergy verified by testing, there are material science options to replace a knee without exposure to …