Trend and research status of agronomy based on the Essential Science Indicators during 2009–2019

2021 ◽  
Author(s):  
Jie Sun ◽  
Bao‐Zhong Yuan
Keyword(s):  
Research Status ◽  
Essential Science Indicators

Digging the history. Absolute chronology of the settlement complex at Czermno-Cherven’ (eastern Poland). Research status and perspectives

2020 ◽  
Vol 72 (2) ◽  
Author(s):  
Tomasz Dzieńkowski ◽  
Marcin Wołoszyn ◽  
Iwona Florkiewicz ◽  
Radosław Dobrowolski ◽  
Jan Rodzik ◽  
...  
Keyword(s):  
Interdisciplinary Research ◽  
Qualitative Change ◽  
Archaeological Research ◽  
Research Status ◽  
History Of ◽  
Absolute Dating ◽  
First Time ◽  
Radiocarbon Datings

The article discusses the results of the latest interdisciplinary research of Czermno stronghold and its immediate surroundings. The site is mentioned in chroniclers’ entries referring to the stronghold Cherven’ (Tale of Bygone Years, first mention under the year 981) and the so-called Cherven’ Towns. Given the scarcity of written records regarding the history of today’s Eastern Poland, Ukraine, and Belarus in the 10th and 11th centuries, recent archaeological research, supported by geoenvironmental analyses and absolute dating, brought a significant qualitative change. In 2014 and 2015, the remains of the oldest rampart of the stronghold were uncovered for the first time. A series of radiocarbon datings allows us to refer the erection of the stronghold to the second half/late 10th century. The results of several years’ interdisciplinary research (2012-2020) introduce qualitatively new data to the issue of the Cherven’ Towns, which both change current considerations and confirm the extraordinary research potential in the archeology of the discussed region.

Research Status of Community Nursing for Prevention Senile Dementia in Japan

2016 ◽  
Vol 26 (2) ◽  
pp. 51
Author(s):  
Meng LI ◽  
Kodama Joe ◽  
Yamei DUAN ◽  
Kiyomi Inoue ◽  
Shuqin PANG ◽  
...  
Keyword(s):  
Senile Dementia ◽  
Community Nursing ◽  
Research Status

Research Status on Frictional Vibration and Noise of Mechanical Brake

2017 ◽  
Vol 10 (1) ◽  
pp. 39-50 ◽  
Author(s):  
Chaoxun Guo ◽  
Jiusheng Bao ◽  
Yan Yin ◽  
Shanguo Yang
Keyword(s):  
Research Status ◽  
Frictional Vibration

Research status of microwave-assisted reduction technology of pyrolusite

2020 ◽  
Vol 07 ◽  
Author(s):  
Li Qiannan ◽  
Ling Yeqing ◽  
Zheng Hewen ◽  
Yang Zhi
Keyword(s):  
Metallurgical Industry ◽  
Raw Material ◽  
Utilization Efficiency ◽  
Low Grade ◽  
Manganese Ore ◽  
Effective Utilization ◽  
Research Status ◽  
Strategic Position ◽  
Research Intensity ◽  
Stable Development

: Manganese ore is an important metallurgical raw material that holds an important strategic position in the national economy of China. However, the grade of manganese ore in the country is mostly low, and the utilization efficiency of lowgrade manganese ore resources is low, which seriously restrict the healthy and stable development of China’s metallurgical industry. As a new green heating method, microwave is expected to address the problems of conventional methods and realize the effective utilization of low-grade manganese ore. In this paper, the research status of the microwave composite reduction of pyrolusite in recent years is reviewed. Microwave plays an important role in metallurgy, and it is the current direction pursued to improve the research intensity of microwave heating and extend it to actual industrial processes.

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