ARTICLES

Filter  
Active filters 0
Remove
  

Refine your searches by:

Collections
Religion
Literature
Education
Languages
Social Sciences
Architecture and Urbanism
Biology
Technology
Research
History
all records (75)

Languages
English
Portuguese
Spanish
German
French

Countries
South Africa
Brazil
USA
Indonesia
Vietnam
Netherlands
Spain
Canada
Denmark
Argentina
all records (74)

Years
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
all records (24)

Filter  
 
136.323  Articles
1 of 13.633 pages  |  10  records  |  more records»
We report on a Chirped Pulse Amplification (CPA)-based Titanium:Sapphire (Ti:Al2O3 or Ti:Sapphire) amplifier that uses a single grating stretcher and compressor configuration. The 8-pass amplifier configuration is able to yield 70 µJ pulse energy at 10 Hz... see more

We report the successful development of an all-solid state laser based on a Czochralski method-grown cerium-doped lithium calcium aluminum fluoride (Ce3+:LiCaAlF6 or Ce:LiCAF) crystal as the gain medium. Results for the broadband, narrow linewidth and sho... see more

We report a design of a cerium-doped lithium calcium hexafluoro aluminumate (Ce:LiCaAlF6_{6}, Ce:LiCAF) laser resonator based on total internal reflection (TIR). This TIR configuration is established by placing the Ce:LiCAF crystal between two calcium flu... see more

In the framework of the semiclassical theory, we develop an analytical approach on electromagnetically induced transparency (EIT) in the medium consists of five-level cascade scheme of cold 85Rb atoms. In the weak field limit of the probe light, an analyt... see more

Hi?n nay, v?n d? b?o t?n và phát huy giá tr? van hóa, van h?c c? truy?n các dân t?c thi?u s? dang ngày càng nh?n du?c s? quan tâm c?a nhi?u qu?c gia trên th? gi?i. Trong b?i c?nh chung dó, ?n Ð? là m?t qu?c gia châu Á da s?c t?c dã th?c hi?n nhi?u chính s... see more

The national policy of agricultural restructuring plays a vital role in adapting to climate change's effects and economic development in the Mekong Delta of Vietnam. Unproductive areas have been converted into other crops with higher efficiency. Drawn by ... see more

M?c tiêu c?a nghiên c?u là dánh giá các ngu?n tài nguyên du l?ch sinh thái và tình hình phát tri?n du l?ch c?a huy?n Pác N?m, t?nh B?c K?n. Thông tin th? c?p du?c thu th?p t?i các co quan, don v? liên quan d?n du l?ch trong khi thông tin so c?p du?c thu t... see more

Bài vi?t nghiên c?u v?n d? phát huy giá tr? van hóa trong phát tri?n kinh t? - xã h?i ? làng du l?ch c?ng d?ng c?a ngu?i Dao thôn N?m Ðam, xã Qu?n B?, huy?n Qu?n B?, t?nh Hà Giang. Phuong pháp nghiên c?u du?c s? d?ng là phân tích tài li?u, d? li?u th? c?p... see more

Trong xã h?i hi?n d?i, truy?n thông b?ng ngôn ng? dân t?c thi?u s? có m?t v? th? khá quan tr?ng trong d?i s?ng xã h?i, nh?t là ? nh?ng qu?c gia da dân t?c nhu Vi?t Nam. Truy?n thông b?ng ngôn ng? dân t?c thi?u s? góp ph?n phát tri?n kinh t? - xã h?i, xoá ... see more

1 of 13.633 pages  |  10  records  |  more records»