Results 71 to 80 of about 5,350,487 (302)

Preparation of Direct Reduction Sponge Iron (DRI) Using Pyrite Cinder Containing Nonferrous Metals

open access: yesHigh Temperature Materials and Processes, 2017
Pyrite cinder is a solid waste generated by the sulfuric acid industry and is considered environmentally hazardous. It contains abundant iron, such as Fe2O3 and Fe3O4, and nonferrous metals, such as zinc, lead and copper. In order to try and recycle this
Chun Tiejun   +4 more
doaj   +1 more source

Low speed propellers: Impact of advanced technologies [PDF]

open access: yes, 1980
Sensitivity studies performed to evaluate the potential of several advanced technological elements on propeller performance, noise, weight, and cost for general aviation aircraft are discussed.
Keiter, I. D.
core   +1 more source

Prolonged Corrected QT Interval as an Early Electrocardiographic Marker of Cyclophosphamide‐Induced Cardiotoxicity in Pediatric Hematology and Oncology Patients

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cyclophosphamide (CY) is associated with potentially fatal cardiotoxicity, yet no electrocardiographic indices have been established for early detection of CY‐induced cardiomyopathy. This study aimed to determine whether corrected QT interval (QTc) prolongation can predict early onset of CY‐related cardiac dysfunction in pediatric ...
Junpei Kawamura   +5 more
wiley   +1 more source

Consequences of the Direct Reduction and Electric Steelmaking Grid Creation on the Italian Steel Sector

open access: yesMetals
The consequences on the Italian steel sector following the conversion of the sole integrated steel plant and the establishment of a direct reduction/electric arc furnace (DR/EAF) grid in the period 2022–2050 were analyzed. Imported natural gas (pathway 0)
Gianluca Dall’Osto   +2 more
doaj   +1 more source

Direct reduction roasting process of seaside titanomagnetite with coal slime as a reductant

open access: yes工程科学学报, 2016
The mineral composition variation of Indonesian seaside titanomagnetite at different roasting temperatures was studied in the direct reduction roasting process with coal slime as a reductant.
YU Chun-xiao   +4 more
doaj   +1 more source

Government centralization in late second and third century A.D. Asia Minor: a working hypothesis [PDF]

open access: yes, 2009
This paper offers the working hypothesis that increased central government intervention in civic and provincial affairs in the late second- and third-century A.D.
Zuiderhoek, Andries Johan
core  

Predicting Chronicity in Children and Adolescents With Newly Diagnosed Immune Thrombocytopenia at the Timepoint of Diagnosis Using Machine Learning‐Based Approaches

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives To identify predictors of chronic ITP (cITP) and to develop a model based on several machine learning (ML) methods to estimate the individual risk of chronicity at the timepoint of diagnosis. Methods We analyzed a longitudinal cohort of 944 children enrolled in the Intercontinental Cooperative immune thrombocytopenia (ITP) Study ...
Severin Kasser   +6 more
wiley   +1 more source

Effects of reductants on the reduction roasting and Fe-P separation of high phosphorus oolitic hematite

open access: yes工程科学学报, 2016
The effects of reductant type and dosage on the reduction roasting and Fe-P separation of high phosphorus oolictic hematite were studied in this paper. Experimental results show that,with addition of Na2CO3 as a dephosphorization agent,the iron content ...
XU Cheng-yan   +5 more
doaj   +1 more source

Can We Decarbonise Methanol Production by Direct Electrochemical CO2 Reduction?

open access: yesChemElectroChem, 2023
Methanol is one of the most important chemical feedstocks, with an increase in global demand of more than 20 million tonnes since 2017. The current production of methanol is primarily from fossil fuel derived synthetic gas (syngas), producing up to 2.97 ...
Alice Sheppard   +3 more
doaj   +1 more source

Operating-system directed power reduction [PDF]

open access: yesISLPED'00: Proceedings of the 2000 International Symposium on Low Power Electronics and Design (Cat. No.00TH8514), 2000
This paper presents a new approach for power reduction by taking a global, software-centric view. It analyzes the sources of power consumption: tasks that require services from hardware components. When a component is not used by any task, it can enter a sleeping state to save power.
Yung-Hsiang Lu   +2 more
openaire   +1 more source

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