Results 21 to 30 of about 1,038,498 (299)

Applications and Preparation Methods of Copper Chromite Catalysts: A Review [PDF]

open access: yes, 2011
In this review article various applications and preparation methods of copper chromite catalysts have been discussed. While discussing it is concluded that copper chromite is a versatile catalyst which not only catalyses numerous processes of ...
Prasad, R.   +3 more
core   +2 more sources

Copper and copper patina [PDF]

open access: yesKoroze a ochrana materialu, 2017
Abstract This article is aimed at summarizing knowledge about copper and patina that is formed on the surface of copper. The article describes chemical processes in patina formation and explains the difference between natural and artificial patina, as well as some methods used in the investigation of patina such as XRD analysis, EIS ...
P. Rak, R. Bureš
openaire   +1 more source

Shockwave intravascular lithotripsy as a novel strategy for balloon undilatable heavily calcified chronic total occlusion lesions

open access: yesCardiology Journal, 2023
BACKGROUND: The successful percutaneous coronary intervention (PCI) in chronic total occlusion (CTO) improves the long-term outcome in patients with coronary artery disease (CAD).
Piotr Rola   +9 more
doaj   +1 more source

The role of collectors in the flotation of partially oxidised copper ores [PDF]

open access: yes, 2004
The effects of xanthates, dithiophosphates, dithiocarbamates and mixtures of these collectors on the froth flotation performance of partially oxidised and oxidised copper sulphide ores were investigated in this study.
Hangone, Gregory
core   +1 more source

The Outlook for Taiwan’s New President, Lai Ching-te

open access: yesEast Asian Policy
On 13 January 2024, Taiwan elected Lai Ching-te as its new president, marking the first time a single political party won three consecutive times. Despite this victory, the Democratic Progressive Party did not secure a legislative majority, spelling a ...
John F COPPER
doaj   +1 more source

Patterns of treatment with everolimus exemestane in hormone receptor-positive HER2-negative metastatic breast cancer in the era of targeted therapy

open access: yesBreast Cancer Research, 2021
Background There is currently no clinical trial data regarding the efficacy of everolimus exemestane (EE) following prior treatment with CDK4/6 inhibitors (CDK4/6i).
Mariya Rozenblit   +5 more
doaj   +1 more source

Outcomes of the two generations of bioresorbable scaffolds (Magmaris vs. Absorb) in acute coronary syndrome in routine clinical practice

open access: yesCardiology Journal, 2023
BACKGROUND: Acute coronary syndrome (ACS) as a clinical manifestation of coronary artery disease (CAD) remains a significant cause of mortality and morbidity, as reported worldwide annually.
Piotr Rola   +10 more
doaj   +1 more source

Midgut Volvulus: A Rare but Fatal Cause of Abdominal Pain in Pregnancy—How Can We Diagnose and Prevent Mortality?

open access: yesObstetrics and Gynecology International, 2020
Midgut volvulus in pregnancy is rare but life-threatening, resulting in high maternal and fetal mortality. This surgical emergency commonly masquerades as symptoms of pregnancy, which together with its low incidence often leads to delay in diagnosis and ...
Eelyn Chong   +4 more
doaj   +1 more source

Study on Backfill Acoustic Emission Characteristics and Source Location under Uniaxial Compressive

open access: yesAdvances in Civil Engineering, 2022
This study investigates the acoustic emission (AE) characteristic of cemented tailings backfill (CTB) under uniaxial compressive loading. A classified tailings material source from Wushan Copper Mine was used to prepare cylindrical CTB samples.
Caixing Shi   +4 more
doaj   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

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