نتایج جستجو برای: c mo
تعداد نتایج: 1081158 فیلتر نتایج به سال:
We report the syntheses and characterizations of the first polyoxothiometalate complexes isolated from the reaction of the oxothiocationic [Mo(V)(2)O(2)S(2)](2+) precursor and bisphosphonate ligands H(2)O(3)PCR(OH)PO(3)H(2) (R = C(4)H(5)N(2), zoledronic acid; R = C(3)H(6)NH(2), alendronic acid). [(Mo(2)O(2)S(2)(H(2)O))(4)(O(3)PC(O)(C(4)H(6)N(2))PO(3))(4)](8-) (Mo(8)S(8)(Zol)(4)) and [(Mo(2)O(2)...
A unique functional electrode made of hierarchal Ni-Mo-S nanosheets with abundant exposed edges anchored on conductive and flexible carbon fiber cloth, referred to as Ni-Mo-S/C, has been developed through a facile biomolecule-assisted hydrothermal method. The incorporation of Ni atoms in Mo-S plays a crucial role in tuning its intrinsic catalytic property by creating substantial defect sites as...
The effect of infection with Moloney murine leukemia virus (Mo-MuLV) on long-term bone marrow cultures was studied. Cultures were derived from the bone marrow of BALB/Mo mice, which carry Mo-MuLV as an endogenous virus, or from BALB/c, 129/J, or balb/c X 129/J mice that were infected with Mo-MuLV in vitro. The following parameters were tested: longevity of generation of granulocytes; biological...
The title compound, [Mo(2)(C(15)H(15)N(2)O(2))(3)(C(7)H(5)O(2))]·CH(2)Cl(2), has a quadruply bonded Mo(2) (4+) unit equatorially coordinated by three N,N'-bis-(4-μ-meth-oxy-phen-yl)formamidinate (DAniF) ligands and one benzoate anion. The Mo-Mo bond length of 2.0881 (8) Å is typical for quadruply bonded species. The phenyl ring and the connected dimetal chelating ring (Mo(2)O(2)C) are nearly co...
The effects of Cr, Mo and W on the crevice corrosion of a number of commercial Ni-Cr-Mo (W) alloys in 1.0 mol/L NaCl were studied using the potentiodynamic-galvanostaticpotentiodynamic technique to measure film breakdown and repassivation potentials as well as protection temperatures. As expected, Cr is the key element determining resistance to crevice initiation but a substantial Mo alloy cont...
The complexes [MoS (CUNCS) ] w hen x = 2,3,4 and [MoOS , (CUNCS) ] when y = 2, 3 have been prepared by the reaction of CuSCN with [P(C H ) ] [MoS ] or [P(C H ) ] [MOOS ] in dry degassed acetone or DMFsolution and recrystallized from dichloromethane, the attempted preparation of [MoS (AgSCN) ] and [MOOS (AgSCN) ] failed. The Raman, IR, UV/VIS, C-nmr and Mo-nmr spectra of the co...
Focusing on the serious volatilization of MoO3 in super austenitic stainless steel with a high Mo content, influence B formation oxide film and distribution Cr was investigated at 900 °C 1000 °C. Without addition B, tends to diffuse surface, forming porous Cr/Mo-rich oxides, causing Mo. The can inhibit diffusion facilitate surface combines O, providing conditions for nucleation Cr2O3. A large a...
Using Ni60 alloy, C, TiN and Mo mixed powders as the precursor materials, in situ synthesized Ti(C,N) particles reinforcing Ni-based composite coatings are produced on Ti6Al4V alloys by laser cladding. Phase constituents, microstructures and wear properties of the composite coatings with 0 wt % Mo, 4 wt % Mo and 8 wt % Mo additions are studied comparatively. Results indicate that Ti(C,N) is for...
Seventy-two Simmental bull calves were allotted randomly at birth to either a zeranol (Ralgro) implanted (I) treatment or a nonimplanted control (C) group. At birth, bulls assigned to the I treatment were implanted with 36 mg of zeranol and reimplanted at average intervals of 84 d until slaughter. Calves were weaned at 7.2 mo, preconditioned for 2 wk, and randomly assigned by treatment to slaug...
در این تحقیق، نانوکامپوزیت MoSi2-SiC بااستفاده از مواد اولیة عنصری (Mo+Si+C) بااستفاده از روش سنتز احتراقی- فعال شدة مکانیکی به کمک فناوری اجاق شیمیایی تهیه شد. برای این کار پس از مخلوط و خرد کردن مکانیکی مواد اولیة اصلی و رسیدن به ابعاد نانومتری، و مخلوط مواد اولیة فرعی (Mo+Si+Al) نمونه هایی به طور جداگانه از این دو پودر مخلوط تهیه و به روش SHS سنتز شد. محصول نهایی تحت آنالیزهای TEM، SEM، XRD ...
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