2002-3-22 · Abstract: OBJECTIVE To improve the method for determination compound fluocinonide ointment.METHODS A method of RP HPLC be used, plus the internal standard after extraction and filter.ODS column (250mm×4.6mm, 5μm) was selected and the mobile phase was consisted of methanol-water-ether(62:38:2,v/v/v) at flow rate of 1.0ml·min-1.The detection wavelength was …

(PDF) Methane Adsorption Capacity of Deep-Buried Coals ...

microscopy, and methane adsorption, were used to investigate the pore structure and methane adsorption capacity of deep-buried coals from the Panji Deep Area in Huainan Coal fi eld, China.

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2020-2-8 · .,、24,、,。.,:. ...

Evaluating the genesis and dominant processes of ...

2021-8-15 · An As-14 anion exchange column was used to perform anion separation. A mixture of dilute Na 2 CO 3 and NaHCO 3 was acted as the eluent at a flow rate of 1 mL/min, and the sample injection volume was 25 μL. The ASRS of suppressor and working pressure were tuned to 4 mm and 0.2 MPa, respectively, and the anions were analyzed with referenced to ...

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2016-1-13 · [1],,,.[J].,2016,38(01):134-142. QIAO Cheng,OU Guo-qiang,PAN Hua-li,et al.Review on Numerical Modeling Methods of Debris Flow[J].Journal of Earth Sciences and Environment

36(2017'')(9 ...

2017-10-13 · This includes advanced and mechanized tunneling, microtunneling, directional drilling, and mining systems used around the world. Projects varying from feasibility study to design, execution, and post construction analysis in tunneling and mining coal, industrial Minerals, and underground hard rock. Experience in project management, planning and ...

Processes | Free Full-Text | Efficient Production of 3 ...

Sialyllactose (SL) is one of the most important acidic oligosaccharides in human milk, which plays an important role in the health of infants. In this work, an efficient multi-enzyme cascade was developed in a single whole cell to produce 3′-SL. We constructed two compatible plasmids with double cloning sites to co-express four genes. Different combinations were assessed to verify the ...

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Linking water, society and ecology in a system dynamics ...

2019-8-31 · Huainan City, a prefecture-level city, is located in the central part of Anhui Province of China with a total area of 2,596 km 2 (Figure A2 in Appendix A, available online). The city consists of six counties with a total population of 2.44 million, containing 1.12 million urban population and 1.32 million rural population in 2014.

Small Methods: Early View

2021-9-12 · The large-area and high quality MoS 2 thin films are fabricated by spray coating of colloidal MoS 2 nanosheets ink followed by a sulfurization processes. The sulfurized MoS 2 film exhibits excellent optical and electrical properties, which is used to fabricate MoS 2 array devices. MoS 2 memtransistors show multiple switching states, which can be used to mimic biological synapses and ...

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2021-9-28 · ,,。,,, ...

Jordan: The Daoist Canon

2006-9-1 · Schools of Daoism & the Organization of the Daoist Canon. All editions of the Daoist canon include a wide and miscellaneous range of materials, a mix of philosophy (often with speculations about the perfect political system), instructions for preparing an elixir of immortality by manipulating various chemicals (referred to as "outer alchemy" wàidān ), guides to meditation (referred to ...

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Stability of a Roadway below a Coal Seam under Dynamic ...

2020-12-9 · Coal and gas outburst is an important risk faced by coal seam mining in the Huainan region of China. In order to control gas outburst, the gas is predrained by digging a floor gas drainage roadway. To study deformation due to dynamic pressure, the failure characteristics of the floor, and their effect on the stability of the floor gas drainage roadway, a comprehensive monitoring method ...

A novel microglial subset plays a key role in …

2018-4-29 · A novel microglial subset plays a key role in myelinogenesis in developing brain( ...

Formation mechanisms of paleokarst and karst collapse ...

The Huainan coalfield chosen as the study area (Fig. 1a), covers a total area of 2500 km 2, and is located on the southeast margin of the Northern China plate (Zhang et al., 2019a).Three tectonic units were formed in the Huainan coalfield affected by multistage tectonic movements since the Middle Triassic (Zhan et al., 2017), and they include a gravity slip structure belt in the north, a ...

Analytical performance evaluation of five RT-PCR kits for ...

Background: We aimed to evaluate the analytical performance of five commercial RT-PCR kits (Genekey, Daan, BioGerm, Liferiver, and Yaneng) commonly used in China, since such comparison data are lacking. Methods: A total of 20 COVID-19 confirmed patients and 30 negative nasopharyngeal swab specimens were analyzed by five kits. The detection ability of five RT-PCR kits was evaluated with 5 ...

Control of coal and gas outbursts in Huainan mines in ...

2016-8-1 · Huainan used to be one of mining districts characterized by various coalmine gas disasters. A total of 145 outbursts have been recorded in Huainan from 1897 to date. Between 1980 and 1997, a total of 17 coalmine gas accidents were reported with 392 lives lost, and the fatality rate per one million tons of coal production was as high as 4.01.

Centered simple waves for the two-dimensional pseudo ...

2018-8-20 · Abstract: The two-dimensional (2D) pseudo-steady isothermal flow, which is isentropic and irrotational, around a convex corner is studied. The self-similar solutions for the supersonic flow around the convex corner are constructed, where the properties of the centered simple wave are used for the 2D isentropic irrotational pseudo-steady Euler ...

A 59-year sedimentary record of metal pollution in the ...

2016-9-10 · An approximately 59-year (1955–2014) sedimentary record of metal elements (Cu, Pb, Zn, Ni, Co, Mn, and Fe) in a sediment core, collected from the Huaihe River, Huainan City, Anhui Province, China, was reconstructed by using 210Pb geochronology. Copper, Zn, Ni, Co, and Mn evaluated by enrichment factor (EF) indicated minor contamination due to water pollution accidents of the Huaihe …

LY3214996 relieves acquired resistance to sorafenib in ...

Wound-healing assay was used to assess cell migration. Cell cycle and apoptosis analyses were conducted with flow cytometry. Results: LY3214996 decreased phosphorylation of the Ras/Raf/MAPK and PI3K/Akt pathways, including p-c-Raf, p-P90RSK, p-S6K and p-eIF4EBP1 activated by sorafenib, despite increased p-ERK1/2 levels.

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2014-1-20 ·  1, 2, 2, 2, 2 1., 710054; 2., 232001 Distribution of terrestrial heat flow and structural control in Huainan

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2018-5-12 · dohurd.ah.gov.cn

124-40-3 cas124-40-3、、MSDS ...

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Ash Behaviour of Huainan Coal in Reducing Conditions Export/References Follow Collect Print Comment ...

Lead Pollution and Isotope Tracing of Surface Sediments in ...

2019-2-6 · In this study, the provenance of anthropogenic lead, a major pollutant of surface sediments, was determined in Huainan Panji coal mining area. The lead concentrations and the pollution degree were investigated by the enrichment factor. Tessier five-step morphology extraction method was used to discuss its potential hazard. By comparing the lead isotope ratios of surface sediments and ...

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Gas outburst disasters and the mining technology of key ...

2013-2-23 · The Huainan coal mine is located in the hinterland of East China, in the north-central Anhui province near the cities of Huainan and Fuyang. The Huainan Mining Group has 13 operational mines, producing 67.19 Mt/a of raw coal in 2010, and of these mines, 12 are coal and gas outburst mines.

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Windowsgit-flowgit-flow_toby …

2018-5-15 · Git flowGit,,。。"Git Flow" 2、Git Flow。 ①Git。

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