Results 41 to 50 of about 32,961 (360)

Utilization of Vinasse and Feldspar as Alternative Sources of Potassium Fertilizers and Their Effect on Some Soil Properties and Crop Yield in Sandy Soils [PDF]

Journal of Soil Sciences and Agricultural Engineering, 2016
A field experiment was carried out for two successive seasons (winter season 2013/2014 and summer season 2014 ) on sandy soil at Ismailia Agric. Res. Station , Ismailia Governorate, Egypt (Latitude, 30o 35' 41.901" N and longitude, 32o 16' 45.834" E) to ...
Mona Kenawy, Mona Osman, Wafaa Seddik
doaj   +1 more source

Role of Soluble Starch in the Flotation Separation of Feldspar and Quartz

Kuangchan zonghe liyong, 2022
The role of soluble starch in the flotation separation of feldspar from quartz was revealed through the single mineral flotation test, potentiodynamic test and absorption measurement.
Yaxiong Xiao, Qing Shi, Qiming Feng
doaj   +1 more source

Bleachability of pIRIR signal from single-grain K-feldspar

, 2022
The high-temperature (e.g., >200 °C) post-infrared infrared (pIRIR) stimulated luminescence of feldspar has been widely used for dating, because it usually suffers negligibly from anomalous fading.
Hui Zhao (7395), Dongju Zhang (1503739), Shengli Yang (138286), Ting Cheng (1692172), Bo Li (112195)   +4 more
core  

Permeability of granite from a shallow buried mountain pipe gallery tunnel under unloading confining pressure

Deep Underground Science and Engineering, EarlyView.
Triaxial compression tests under unloading confining pressure conditions were conducted to systematically analyze the permeability behavior of granite retrieved from the different classification surrounding rocks. Abstract The rock mass within mountain tunnels undergoes complex changes in permeability, strength, and deformation during tunneling ...
Xiaoyan Zhang, Yonghua Ye, Jianping Zuo, Baojiang Han, Weigang Jiao   +4 more
wiley   +1 more source

USING NATURAL ALTERNATIVE FERTILIZERS FOR POTATO PRODUCTION UNDER SANDY SOIL CONDITIONS IN EGYPT [PDF]

Journal of Plant Production, 2014
Two field experiments were carried out during the two successive seasons of 2010/2011 and 2011/2012 in the Farm of Agric. Res. Station, Wady El-Natrown Area, Fac. Agric. Cairo University, Egypt under saline water and sandy soil conditions.
M. El-Said, M. El-Helaly, S. Shehata
doaj   +1 more source

The damage and failure mechanism of prestatically loaded rock during medium‐strain rate cyclic impact loading

Deep Underground Science and Engineering, EarlyView.
Based on experimental results and theoretical analysis, an established rock damage accumulation model that comprehensively considers the preapplied static load, impact peak value, impact frequency, and impact times. Abstract To study the rock damage mechanism under high static loading and superimposed medium strain rate cyclic impact loading, a series ...
Wei Wang, Hanpeng Wang, Zicheng Wang, Xinyuan Xie, Yunhao Wu, Jinhou Zhang, Dekang Sun   +6 more
wiley   +1 more source

Review for High-purity Quartz (SiO2) (PartⅠ): Activation and Separation of Trace, Fine-grain Alumino Silicate Gangue

Kuangchan zonghe liyong, 2022
High-purity quartz, famous for low impurities and high purity, has been widely used in optical fiber communication, photovoltaic, aerospace, semiconductor displayand other high-tech industries.
Min Lin, Shunqiu Xu, Ziyuan Liu, Yan Wei, Bin Liu, Yu Meng, Hang Qiu, Qian Jia, Shaomin Lei   +8 more
doaj   +1 more source

Hydrogen in Nominally Anhydrous Crustal Minerals [PDF]

, 2003
Systematic infrared and nuclear magnetic resonance investigations of common crustal minerals were undertaken to better understand the geologic significance of minor components of structural hydrous species within these nominally anhydrous minerals ...
Johnson, Elizabeth Ann
core   +1 more source

Exploring wave propagation behaviors in rock: A grain‐based perspective on mineral structures

Deep Underground Science and Engineering, EarlyView.
This study investigates wave propagation in rock at the grain scale using a grain‐based model, revealing that mineral elastic modulus significantly influences wave attenuation while grain size and distribution have limited effects. A novel peak particle velocity attenuation prediction model is proposed and validated for grain‐scale wave propagation ...
Zhiyi Liao, Jiachen Xu, Kai Zhang, Changtai Zhou   +3 more
wiley   +1 more source

Impact of Enterobacter cloacae and Different Potassium Sources on Growth, Productivity and Tuberous Roots Quality of Cassava under Reclaimed Sandy Soils Conditions [PDF]

Journal of Plant Production
Chemical potassium fertilizers used to increase plant yield; nevertheless, overuse of these fertilizers is costly and pollutes the environment. So, many farmers have turned to cheaper alternative sources of potassium, such as foliar spraying potassium ...
Shereen El-Korde, M. A. M. Ali, Reham El-Saied   +2 more
doaj   +1 more source