Results 11 to 20 of about 1,168,560 (301)

Comprehensive Utilization Technology of Aronia melanocarpa. [PDF]

open access: yesMolecules
Aronia melanocarpa fruit contains a variety of active ingredients, such as phenolic acids, anthocyanins, proanthocyanidins, etc. Relevant in vivo and in vitro studies have concluded that it has beneficial effects in terms of treating dyslipidemia, hypertension, glucose metabolism disorders, etc.
Shi D, Xu J, Sheng L, Song K.
europepmc   +4 more sources

Experimental Research on Recovery of Fluorite from a Polymetallic Mine Tailing in Inner Mongolia

open access: yesKuangchan zonghe liyong, 2022
Flotation tailings of a polymetallic mine in Inner Mongolia contain fluorite resources. Due to the influence of the tungsten-tin flotation reagent and the ore embedded characteristics in the early stage, the fluorite flotation concentrate grade is up to ...
Di Wu   +5 more
doaj   +1 more source

The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review. [PDF]

open access: yesMaterials (Basel)
Phosphogypsum (PG), a byproduct during the phosphoric acid production process, also known as the wet process, contains complex and diverse impurities, resulting in low utilization and considerable accumulation. This leads to a massive waste of land resources and a series of environmental pollution problems.
Guan Q   +7 more
europepmc   +3 more sources

Reconstruction of Polyhalite Ore-Formed Temperature from Late Middle Pleistocene Brine Temperature Research in Kunteyi Playa, Western China

open access: yesGeofluids, 2022
Kunteyi Salt Lake (KSL), located in the northwest of the Qaidam Basin (QB), is rich in polyhalite resources. However, there is no relevant research on the ore-formed temperature of polyhalite in nature, such as KSL. The homogenization temperature (Th) of
Jun Li   +8 more
doaj   +1 more source

Study on Pore Structure and Fractal Characteristics of Tar-Rich Coal during Pyrolysis by Mercury Intrusion Porosimetry (MIP)

open access: yesGeofluids, 2022
This study aims to show how fractal analysis can be effectively used to characterize the pore structure of porous tar-rich coal. In this study, tar-rich coal pores were obtained by mercury intrusion porosimetry (MIP).
Zhendong Wang   +6 more
doaj   +1 more source

Comparative Study on Beneficiation Test of a Low Grade Manganese Carbonate Ore

open access: yesKuangchan zonghe liyong, 2023
According to characteristics of a low-grade manganese carbonate ore, it made a respective use of high gradient magnetic separation and shaker gravity separation, as well as experimental study on flotation process of the ore.Experimental results showed ...
Kaizhi Yang   +4 more
doaj   +1 more source

The Content Variation of Four Active Components in Amygdalus persica L. during Different Harvesting Periods

open access: yesJournal of Food Quality, 2022
In this study, a quantitative method for the content determination of rutin, 5-O-coumaroylquinic acid methyl ester, chlorogenic acid butyl ester, and kaempferol in Amygdalus persica L.
Juanjuan Zhang   +9 more
doaj   +1 more source

Process Mineralogy Study on a Skarn Type High Argillaceous Refractory Tungsten-Molybdenum Ore Deposit in Henan

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of process mineralogy. A silica-type tungsten and molybdenum mine in Shaanxi has diverse ore types and large variations in tungsten and molybdenum grades, and it is difficult to improve the concentrate grade and recovery ...
Ying Jiang   +5 more
doaj   +1 more source

Ammonium Polyphosphate Intercalated Yttrium-Doped Layered Double Hydroxides to Enhance the Thermal Stability and Flame Retardancy of Poly(Lactic Acid)

open access: yesAdvances in Polymer Technology, 2022
The flammability of the biodegradable plastic PLA limits its application in industrial fields with high flame-retardant requirements. This paper provides a novel strategy for constructing refractory and thermostable PLA composites using layered double ...
Yufei Dai   +6 more
doaj   +1 more source

Evidence of the Uyunbulak Salt Lake Water Recharge in the Kumish Basin, Xinjiang, China, from Boron Isotopes

open access: yesGeofluids, 2023
The reserves of nitrate (NO3-) mineral resources in the Turpan-Hami Basin in Xinjiang rank second after those in the Atacama Desert in Chile, South America.
Xuehai Ma   +6 more
doaj   +1 more source

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