Results 111 to 120 of about 31,093 (293)

Improvement in Solubility of Potassium Silicate Fertilizer.

open access: yesNIPPON KAGAKU KAISHI, 1993
ケイ酸カリ肥料は微粉炭燃焼灰に炭酸カリウムまたは水酸化カリウムと少量の水酸化マグネシウムを加え850-950℃に焼成してつくるクエン酸可溶性(ク溶性)の肥料で,国内炭の灰では良質の製品ができるが,輸入炭の灰ではカリウムが不溶化しやすい。この理由を焼成物のEPMA試験によって解明し,輸入炭の灰で良質の製品を造るには国内炭の灰と混ぜて炭酸カルシウムを加えて十分に焼成すればよいことを見いだし,好適製造条件を定めた。焼成物の主要鉱物はK20・Al2O3・2SiO2(KAS2),K20・Al2O3(KA),2CaO・MgO・2SiO2(C2MS2),ガラス質などで0炭酸カルシウムの添加量を増やすとKAS2が減り,KAとガラス質が増える。KAS2にはK20・MgO・3SiO2(KMS3)が固溶し ...
Nobuhiro OZAWA   +2 more
openaire   +2 more sources

Bottlenecks‐Breaking in Zinc‐Iodine Batteries Toward Practical Implementation: A Review and Perspective

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Aqueous zinc–iodine batteries (Zn–I2Bs) offer promise for grid storage due to safety and cost advantages yet face critical bottlenecks: severe self‐discharge (polyiodide shuttling and HER), limited energy density, sluggish kinetics, and zinc anode instability.
Jia‐Lin Yang   +3 more
wiley   +1 more source

Carbon Dots: An Emerging Frontier for Green and Sustainable Civil Engineering Materials

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Traditional civil engineering materials (CE materials) are usually involved with high‐energy consumption during manufacturing, significant maintenance costs, and substantial environmental impacts throughout their life cycles. The progress of nanotechnology is catalyzing a green and sustainable transformation within the field.
Weiwen Hao   +5 more
wiley   +1 more source

Engineering Nanoclay Edges to Construct Effective Polysulfide‐Trapping Interface for Markedly Enhanced Electrochemical Energy Storage

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A capsule‐shaped silicate clay (H‐ATP‐N2) rich in protonated edge hydroxyl groups (‐OH2+) is synthesized through a two‐step process involving microwave‐assisted acid treatment and N2 plasma etching to fibrous natural attapulgite. The H‐ATP‐N2 host inhibits the shuttle effect owing to the dominant adsorption mechanism–Lewis acid–base interaction between
Hongjie Xu   +11 more
wiley   +1 more source

Coordinated NanoSIMS and TEM Analysis of a Large 26Mg-Rich AGB Silicate from the Meteorite Hills 00426 CR2 Chondrite [PDF]

open access: yes
Silicates are one of the most abundant presolar phases around evolved stars, in the inter-stellar medium (ISM), and in our Solar System. These grains afford the opportunity for O, Si, Mg, Fe, and Ca isotopic analyses to constrain stellar nucleosynthetic ...
Keller, L. P., Nguyen, A. N., Rahman, Z.
core   +1 more source

Accretion and Preservation of D-rich Organic Particles in Carbonaceous Chondrites: Evidence for Important Transport in the Early Solar System Nebula [PDF]

open access: yes, 2010
We have acquired NanoSIMS images of the matrices of CI, CM, and CR carbonaceous chondrites to study, in situ, the organic matter trapped during the formation of their parent bodies. D/H ratio images reveal the occurrence of D-rich hot spots, constituting
Eiler, J. M.   +3 more
core  

Fish Scales: A Multifunctional Biomaterial from Nature

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley   +1 more source

Carbon‐Negative Upcycling of Sewage Sludge into Superiorly Stable Gel Via Liquid‐Phase Utilization Strategy for Water‐Remediation

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work developed a low‐temperature sludge hydrothermal coupled with gel crosslinking strategy which could upgrade the waste liquid generated from sewage sludge hydrothermal treatment into the hydrothermal‐liquid‐gel. The inventive hydrothermal‐liquid‐gel exhibited the enhanced pollutant removal capability, high synthetic stability, and superior ...
Zifan Liu   +12 more
wiley   +1 more source

Valorization of Alkali–Thermal Activated Red Mud for High-Performance Geopolymer: Performance Evaluation and Environmental Effects

open access: yesBuildings
This study investigates the influence of SiO2/Al2O3 molar ratios (2.25–3.00) and the replacement of red mud (RM) with GGBS (50–63%) on the performance of RM-based geopolymers to address the environmental issues posed by RM, including its high alkalinity ...
Zhiping Li   +6 more
doaj   +1 more source

Inorganic-organic separators for alkaline batteries [PDF]

open access: yes, 1978
A flexible separator is reported for use between the electrodes of Ni-Cd and Ni-Zn batteries using alkaline electrolytes. The separator was made by coating a porous substrate with a battery separator composition.
Sheibley, D. W.
core   +1 more source

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