Results 11 to 20 of about 196,302 (193)

Precious Metal Free Hydrogen Evolution Catalyst Design and Application. [PDF]

Chem Rev
Feidenhans'l AA, Regmi YN, Wei C, Xia D, Kibsgaard J, King LA.   +5 more
europepmc   +2 more sources

Geochemical properties and transformation of the microelement composition of soils during the development of primary diamond deposits in Yakutia

Записки Горного института, 2023
Extraction of diamonds from primary deposits in Siberia is associated with the development of kimberlite pipes in challenging environmental conditions, accompanied by a complex impact on the environment. The article presents the results of monitoring the
Yana B. Legostaeva, Anna G. Gololobova, Vladimir F. Popov, Victor S. Makarov   +3 more
doaj   +1 more source

About the age of fossil flora of the Kygyltasian Regional Stage of the Upper Paleozoic in the Verkhoyansk Region, Northeastern Russia

Учёные записки Казанского университета: Серия Естественные науки, 2021
The Kygyltasian Regional Stage is widespread throughout the Verkhoyansk Region, where it reflects a large transgressive-regressive cycle of the Verkhoyanian terrigenous sedimentation.
L.G. Porokhovnichenko, R.V. Kutygin, A.N. Kilyasov   +2 more
doaj   +1 more source

KENGEDE MAFIC DYKE SWARM AND EXPANSION OF THE 1.50 Ga KUONAMKA LARGE IGNEOUS PROVINCE OF NORTHERN SIBERIA

Геодинамика и тектонофизика, 2023
Within the Anabar shield in the northern part of the Siberia, Late Precambrian mafic igneous units are widespread, which form dyke swarms of different ages of different trends. This paper presents new data on the composition, structure and U-Pb dating of
M. D. Tomshin, R. E. Ernst, U. Söderlund, A. V. Okrugin   +3 more
doaj   +1 more source

Advances in bioleaching as a sustainable method for metal recovery from e-waste:A review [PDF]

, 2019
Electronic waste (e-waste) accumulation on earth is a serious environmental challenge. The need for heavy metal recovery, together with the profitability of precious and base metals, are strong incentives for researchers to find a sustainable method for ...
Bahaloo-Horeh, Nazanin, Baniasadi, Mahsa, Farnaud, Sebastien, Mousavi, Seyyed Mohammad, Vakilchap, Farzane   +4 more
core   +1 more source

Precious metal core-shell spindles [PDF]

, 2007
A simplified method to produce spindle-shaped particles with a hematite core and a silica shell is described. The silica shell can, in turn, serve as the substrate for an outer coating of Ag or Au nanoparticles.
Aslan K., Charnay C., Cortie M. B., Draine B. T., El-Sayed I. H., Gole A., Graf C., Halas N., Hirsch L., Hirsch L. R., Jana N. R., Jana N. R., Kelly K. L., Kooij E. S., Lim Y. T., Liu J., Liz-Marzan L. M., Loo C., M. B. Cortie, Murphy C. J., Nikoobakht B., O'Neal D. P., Ohmori M., Ohmori M., Oldenburg S. J., Oldenburg S. J., Orendorff C. J., Pastoriza-Santos I., Peceros K. E., Perez-Juste J., Pissuwan D., Prescott S. W., Quinten M., Stöber W., Ung T., Ung T., Wang H., Wang L., Wiley B. J., X. Xu, Xu X., Xu X., Xu X., Yoshida H., Zhou C.   +44 more
core   +2 more sources

Design of rod-like NiCo2O4 with nanostructure derived from ZIF-67 as excellent material for supercapacitors

International Journal of Electrochemical Science, 2021
MOF (metal-organic framework) is an ideal precursor for the synthesis of metal oxides owing to the high porosity and provision of redox sites. This study focused on the formation of NiCo2O4 rod-like nanostructure from Co-MOF by a simple hydrothermal ...
Chunyong Zhang, Jianning Li, Li Shu, Yuyue Zhao, Yiwen Zhang, Yingpin Wen, Hengfei Qin   +6 more
doaj   +1 more source

A two-step approach to achieve secondary amide transamidation enabled by nickel catalysis. [PDF]

, 2016
A long-standing challenge in synthetic chemistry is the development of the transamidation reaction. This process, which involves the conversion of one amide to another, is typically plagued by unfavourable kinetic and thermodynamic factors. Although some
Anthony, Sarah M, Baker, Emma L, Garg, Neil K, Yamano, Michael M, Zhou, Yujing   +4 more
core   +2 more sources

GOLD-TELLURIUM-BISMUTH MINERALIZATION FROM THE ZADERZHNINSKOE DEPOSIT (SOUTH VERKHOYANSK REGION, EAST YAKUTIA) [PDF]

Минералогия, 2016
The detailed mineralogical studies of the Zaderzninskoe deposit showed diverse mineral composition. Various tellurides (hedleyite), sulfotellurides and sulfosalts of silver, bismuth and lead (minerals of tetradymite group, minerals of lillianite ...
G.S. Anisimova, L.A. Kondrat′eva
doaj  

Geologic structure and composition of Munilkan massif Verkhoyansk-Kolyma orogenic area

Литосфера, 2015
This article presents the results of detailed study of geologic structure and composition of Munilkan massif of the Main batholith belt of Verkhoyansk-Kolyma mesozoides (Tas-Khayakhtakh Ridge).
V. A. Trunilina, S. P. Roev, A. I. Zaitsev   +2 more
doaj   +2 more sources