Results 21 to 30 of about 1,153,818 (264)

Identification of Manganese Ore and Manganese Smelting Slag by X-ray Fluorescence Spectrometry, X-ray Diffraction and Fourier Transform Infrared Spectroscopy

Yankuang ceshi, 2015
It is very important to identify manganese ore and manganese smelting slag for manganese ore import trade and environmental protection. Due to the similarity of elements in manganese smelting slag and some manganese ore, such as Mn, Si, Al, Mg, Ca and ...
WU Su-ru, SONG Yi, GU Song-hai, GUO Fen, SUN Xin   +4 more
doaj   +1 more source

Beryllium-Determining in Coal by Graphite Furnace Atomic Absorption Spectrometry with Lanthanum Nitrate as Matrix Modifier

Yankuang ceshi, 2015
The key to beryllium-determining in coal, geochemical samples, soil, air and other different substrates by Graphite Furnace Atomic Absorption Spectrometry (GFAAS) is to choose a proper matrix modifier.
ZHAO Xiu-hong, WANG Xin-yan, GUO Pei, LIU Yan-chun, JIANG Yu-shan   +4 more
doaj   +1 more source

Determination of Free α-SiO2 Content in Mill Scale by X-ray Diffraction K Value Method

Yankuang ceshi, 2015
At present, free α-SiO2 content is often determined by the pyrophosphate method and X-ray Diffraction (XRD) method. However, insoluble materials including FeO, Fe3O4 and Fe2O3 in mill scale cannot be decomposed by pyrophosphate, and thus the ...
TANG Meng-qi, LI Xiang-rong, LIU Guo-wen, LIU Shun-qiong   +3 more
doaj   +1 more source

Indicators of response to exercise training: a systematic review and meta-analysis

BMJ Open, 2021
Background Means-based analysis of maximal rate of oxygen consumption (VO2max) has traditionally been used as the exercise response indicator to assess the efficacy of endurance (END), high intensity interval (HIIT) and resistance exercise training (RET)
Iskandar Idris, Brett Doleman, Philip J Atherton, Arash Ardavani, Hariz Aziz, Bethan E Phillips, Imran Ramzan, Boshra Mozaffar   +7 more
doaj   +1 more source

What can we learn from problem-based learning tutors at a graduate entry medical school? A mixed method approach

BMC Medical Education, 2018
Problem-based learning (PBL) has been adopted by many medical schools as an innovative method to deliver an integrated medical curriculum since its inception at McMaster University (Dornan et al., Med Educ 39(2):163–170, 2005; Finucane et al., Med Educ ...
Diane O Doherty, Helena Mc Keague, Sarah Harney, Gerard Browne, Deirdre McGrath   +4 more
doaj   +1 more source

Determination of Calcium, Magnesium, Silicon, Iron and Aluminum in Dolomite by Wavelength Dispersive X-ray Fluorescence Spectrometry with Fusion Sample Preparation

Yankuang ceshi, 2014
A method has been developed for the determination of calcium, magnesium, silica, iron and aluminum in dolomite by Wavelength Dispersive X-ray Fluorescence Spectrometry. Dolomite is a carbonate mineral with a large portion of loss on ignition.
CHU Ning, LI Wei-gang, JIANG Xiao-guang, ZHANG Yan-fu, BI Xiao-rui   +4 more
doaj   +2 more sources

Barriers and solutions to online learning in medical education – an integrative review

BMC Medical Education, 2018
Background The aim of this study is to review the literature on known barriers and solutions that face educators when developing and implementing online learning programs for medical students and postgraduate trainees.
Diane O’Doherty, Marie Dromey, Justan Lougheed, Ailish Hannigan, Jason Last, Deirdre McGrath   +5 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele, Calogero Virgone, Michaela Kuhlen, Sabine Irtan, Yves Reguerre, Malgorzata Krawczyk, Ewa Bien, Tal Ben‐Ami, Maja Cesen, Ricardo Lopez‐Almaraz, Andrea Ferrari, Gianni Bisogno, Dominik T. Schneider, Abbas Agaimy, Constantin Lapa, Hubert Ducou le Pointe, Rainer Claus, Catherine Daniel, Ines B. Brecht, Daniel Orbach   +19 more
wiley   +1 more source

Magnetic Solid-Phase Extraction Based on β-Cyclodextrins/Acrylic Acid Modified Magnetic Gelatin for Determination of Moxidectin in Milk Samples

Journal of Analytical Methods in Chemistry, 2016
β-Cyclodextrins/acrylic acid modified magnetic gelatin was prepared and then employed as the magnetic solid-phase extraction (MSPE) sorbent for extraction of moxidectin in milk samples.
Yinzhu Shang, Jing Luo, Peng Wang, Xiaoya Zhao, Cheng Ye, Shaofei Guo   +5 more
doaj   +1 more source

Influence of Environmental Factors on Release of Heavy Metals in Ore at the Port Stockyard

Yankuang ceshi, 2014
: Along with China′s economic development, the dissolution of heavy metals in port minerals stockyard has became important contamination sources of soil and water, which can't be ignored. The amount of heavy metal dissolution is related to the species of
WANG Zhen-kun, LI Xue-jun, FENG Shuang, CHEN Yan, CHI Jie, QU Wen, MO Yu-qing, LUO Qiang, PU Feng, GUO Xiao-man   +9 more
doaj   +2 more sources