Results 11 to 20 of about 39,232 (108)

Optimized Derivation of Predicted No-Effect Concentrations (PNECs) for Eight Polycyclic Aromatic Hydrocarbons (PAHs) Using HC10 Based on Acute Toxicity Data

open access: yesToxics, 2023
For persistent organic pollutants, a concern of environmental supervision, predicted no-effect concentrations (PNECs) are often used in ecological risk assessment, which is commonly derived from the hazardous concentration of 5% (HC5) of the species ...
Xiao Sun   +4 more
semanticscholar   +1 more source

Kerr-lens mode-locked Yb:YAlO3 laser generating 24-fs pulses at 1085 nm.

open access: yesOptics Letters, 2022
We report on a Kerr-lens mode-locked Yb:YAlO3 laser generating soliton pulses as short as 24 fs at 1085 nm with an average output power of 186 mW and a pulse repetition rate of 87.5 MHz, representing the shortest pulses ever achieved from any mode-locked
Weidong Chen   +12 more
semanticscholar   +1 more source

Historiography of Iran's Sports Development Space (1906 to 1941) [PDF]

open access: yesتحقیقات تاریخ اقتصادی ایران, 2023
Sports as a modern phenomenon was noticed after the constitutional revolution, which indicates the efforts of the constitutionalists to manage the country's affairs optimally, including sports and physical education.
Amin Adelkhani   +2 more
doaj   +1 more source

THE FIRST AND SECOND DEMOGRAPHIC DIVIDENDS IN MOLDOVA

open access: yesEconomy and Sociology, 2022
Moldova is going through a phase of intense demographic changes and is facing two major challenges: population decline and ageing, which significantly influence economic growth opportunities.
Alexandru Fala
doaj   +1 more source

Analysis and review of the Quiddity and function of Rusāfas in Islamic urbanity [PDF]

open access: yesتحقیقات تاریخ اقتصادی ایران, 2023
cognition the quiddity of the Islamic city, its constituent elements and components requires a deeper study and exploration of concepts and terms used in historical and geographical sources and texts.
mahdi ezati
doaj   +1 more source

FORECASTING THE QUARTERLY EVOLUTION OF BUDGET REVENUES IN MOLDOVA UTILIZING A TIME SERIES MODEL

open access: yesEconomy and Sociology, 2023
The paper aims to develop a time series model fitted on the quarterly evolution of total budget revenues in Moldova for monitoring and forecasting purposes.
Apostolos Papaphilippou
doaj   +1 more source

A comparative study of the views of William Haas and Mohammad Ali Jamalzadeh in the field of Iranian’s Characteristics [PDF]

open access: yesتحقیقات تاریخ اقتصادی ایران, 2023
In the chapter V of his book "Iran", William Haas has studied the moods of Iranians. On the other hand, the book "Ḵolqiāt-e Mā Irāniān" or "Our Characters, Iranians" by Mohammad Ali Jamālzādeh is considered to be one of the most important Persian works ...
Khosro Khonsari   +2 more
doaj   +1 more source

SMART CITY POLICY BETWEEN INSTITUTIONS AND CITIZENS: THE PERSPECTIVE OF THE CITY OF MILAN

open access: yesEconomy and Sociology, 2023
In the environmental and climate issue, a decisive role is played by mobility. In recent years we are witnessing a kind of transportation revolution, especially urban transportation, with a sustainable mobility.
Mariano Melchionda
doaj   +1 more source

ON MOLDOVA’S INCREMENTAL CAPITAL-OUTPUT RATIO AND THE DESIGN OF ECONOMIC POLICY

open access: yesEconomy and Sociology, 2021
The paper analyses the notion of an economy’s Incremental Capital‐Output Ratio and proceeds to provide estimates of the Incremental Capital‐Output Ratio for the Moldovan economy utilising National Accounts data.
Apostolos PAPAPHILIPPOU
doaj   +1 more source

Consequences of the spread of animal diseases: Livestock mortality investigation in Iran in the 1300s [PDF]

open access: yesتحقیقات تاریخ اقتصادی ایران, 2023
Deadly and infectious diseases can be considered important challenges of pre-modern Iranian society; Such as the lack of proper health infrastructure and the inefficiency of traditional medicine paved the way for the spread of deadly diseases, and ...
Yaqub Tabesh   +1 more
doaj   +1 more source

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