scholarly journals Synthesis and properties of a high-performance environment-friendly micro–nano filtration reducer

RSC Advances ◽  
2020 ◽  
Vol 10 (70) ◽  
pp. 43204-43212
Author(s):  
Yanling Wang ◽  
Baoyang Jiang ◽  
Jincheng Lan ◽  
Ning Xu ◽  
Jinsheng Sun ◽  
...  
Keyword(s):  
Calcium Carbonate ◽  
Graft Copolymer ◽  
High Performance ◽  
Research Study ◽  
Hydroxyethyl Cellulose ◽  
Environment Friendly ◽  
Hydrophobically Associating ◽  
Nano Filtration

In this research study, we modified hydroxyethyl cellulose to obtain hydrophobically associating hydroxyethyl cellulose, and grafted it onto the surface of nano-calcium carbonate to obtain a graft copolymer.

THE ROLE OF PERSONALITY CORRELATES IN ALLEVIATING STRESS ENCOUNTERED BY STUDENTS OF STANDARD X

2016 ◽  
pp. 34-49
Author(s):  
Giselle D' Souza
Keyword(s):  
Academic Achievement ◽  
Test Anxiety ◽  
High Performance ◽  
Research Study ◽  
Self Concept ◽  
Personality Correlates ◽  
Purpose Of Education ◽  
Self Worth ◽  
Different Dimensions

Test anxiety and distress occupy pivotal positions in students' lives today, because of over emphasis on academic achievement in the modern educational system. The need for high performance in examinations has defeated the very purpose of education. The SSC examination has come to be an exhaustive exercise that makes the students learn by rote rather than comprehension. There are a few who feel completely trapped in their situation and indulge in self-destructive acts like suicide. The present research study attempted at understanding the likely role of personality correlates namely, academic self-concept, self-efficacy and locus of control in alleviating the different dimensions of stress encountered by students of standard X. It revealed a significant relationship between stress and the mentioned variables and could have important implications in helping students of standard X come to terms with their invaluable self-worth in effectively coping with the evil of the present century -stress.

scholarly journals Design and Simulation DFIM Driven Electrical Vehicles Based on IP Controller

2018 ◽  
Vol 17 (2) ◽  
pp. 43-50
Author(s):  
Al-Mayhedee Zubair ◽  
Mohammad Abdul Mannan ◽  
Junji Tamura
Keyword(s):  
High Performance ◽  
Speed Control ◽  
Pi Controller ◽  
Human Beings ◽  
Environment Friendly ◽  
Fundamental Goal ◽  
Electrical Vehicles ◽  
Electrical Vehicle ◽  
High Performance Application ◽  
Control Application

The environment friendly blessings of Electrical Vehicles (EV), human beings are becoming extra involved in the use of them alternatively than the usage of mechanical differentials. In electrical vehicles distinct sorts of electrical machines are used among them DFIM is used in this work. The challenging work is to design of a controller as the output of the motor has to match with vehicle input. So, far, most of the mentioned works have utilized Proportional-Integral (PI) controllers as the speed control. But, the negative aspects of PI controller are properly known, as its design depends on the specific motor parameters and the overall performance is sensitive to system disturbances. The fundamental goal of this paper is to replace the conventional PI controller by means of an IP controller which is successful of dealing with exceedingly non-linear DFIM motor for high performance application in Electrical Vehicle. The effectiveness of designed IP controller of an electrical differential for an EV system is evaluated through Matlab/Simulink software. In simulation work different road conditions for EV are considered. After the simulation the designed controller is found to be strong for the speed control application of Electrical Vehicle.

scholarly journals EVALUATION OF EGGSHELL DERIVED HYDROXYAPATITE AS A BONE REGENERATIVE MATERIAL IN THE TREATMENT OF INTRABONY OSSEOUS DEFECTS - CLINICAL AND RADIOGRAPHIC ASSESSMENT

2021 ◽  
Vol 9 (08) ◽  
pp. 887-895
Author(s):  
Garima Tiwari ◽  
K.T Chandrashekar ◽  
Rohit Mishra ◽  
Chirag S. Jaiswal ◽  
Ashima Trivedi ◽  
...  
Keyword(s):  
Calcium Carbonate ◽  
Treatment Cost ◽  
Radiographic Assessment ◽  
Environment Friendly ◽  
Osseous Defects

Eggshell contains 98.2%calcium carbonate and can be transformed into hydroxyapatite which is an environment friendly process and can be used as bone regenerative grafts which not only reduces the treatment cost but also high in biosafety.

High performance metallic multilayer thin films on modified polypropylene with calcium carbonate fillers

1991 ◽  
Vol 48 (2) ◽  
pp. 155-161
Author(s):  
Y.S. Chang ◽  
S.M. Ma ◽  
C.Y. Lin ◽  
J.F. Chang ◽  
C.H. Chen ◽  
...  
Keyword(s):  
Thin Films ◽  
Calcium Carbonate ◽  
High Performance ◽  
Multilayer Thin Films

Preparation of Plate-Shaped Calcium Carbonate and its Application in the Coating Paper

2011 ◽  
Vol 236-238 ◽  
pp. 1124-1127
Author(s):  
Sen Wang ◽  
Xin Ping Li ◽  
Er Lin Mao ◽  
Zhuo Yuan Cheng
Keyword(s):  
Carbon Dioxide ◽  
Calcium Carbonate ◽  
Calcium Oxide ◽  
High Performance ◽  
Air Permeability ◽  
Paper Coating ◽  
Reaction Conditions ◽  
Printing Ink

This paper deals with the preparation of Plate-shaped Calcium Carbonate and Its Application in the Paper Coating. calcium oxide and carbon dioxide were used as major materials to preparetion the Plate-shaped Calcium Carbonate, The best reaction conditions as follows: w(CaO)：w（H2O）=1：5, V（CO2）：V（atmosphere）=1：2. Then use the Plate-shaped Calcium Carbonate in spreading. The results show that the Plate-shaped Calcium Carbonate is a high-performance product that can obviously enhance the paper’s smoothness, whiteness, air permeability, printing ink absorbance.

A Novel Way of Separation and Preparation Noncaffeine Tea Polyphenols from Green Tea Waste

2012 ◽  
Vol 550-553 ◽  
pp. 1875-1880 ◽  
Author(s):  
He Ping Tan ◽  
Huai Ping Li ◽  
Hang Song ◽  
Wen Ping Xu ◽  
Chi Guan ◽  
...  
Keyword(s):  
Green Tea ◽  
Column Chromatography ◽  
High Performance ◽  
Ethanol Solution ◽  
Tea Polyphenols ◽  
Raw Material ◽  
Environment Friendly ◽  
Tea Waste ◽  
One Step ◽  
The Stability

A simple, clean and economical way of separation and preparation noncaffeine tea polyphenols from green tea waste in one-step by Sephadex LH-20 column chromatography was developed. 20% (v/v) ethanol solution was used for removing caffeine and other components in the first stepwise elution, and tea polyphenols was eluted with 60% (v/v) ethanol solution by using reversed flow in the second stepwise elution. The yield of tea polyphenols above 11% with the purity about 98% and the content of catechins more than 91%, and the content of caffeine in tea polyphenols have not been detected by high-performance liquid chromatography. The recovery of tea polyphenols by column chromatography were about 86%, and the stability of preparative way is very good. Compared with conventional extraction and decaffeination ways, this way has more excellent advantages, such as cheaper raw material, no toxic residues, higher yield, commercially feasible and environment friendly.

scholarly journals An examination of the factorial structure of the unforced-error measure in collegiate women tennis players in Japan: A comparison between players and coaches

2017 ◽  
Vol 25 (71) ◽  
pp. 9-11
Author(s):  
Daisuke Hirata ◽  
Shuhei Sato ◽  
Kiso Murakami
Keyword(s):  
Factor Structure ◽  
High Performance ◽  
Research Study ◽  
Factorial Structure ◽  
Significant Issue ◽  
Error Measure ◽  
Tennis Players ◽  
Competition Level ◽  
Using Data

Unforced errors are a significant issue in producing high performance in tennis. Identifying the causes of these errors in important to guide interventions to reduce unforced errors. The purpose of this study was to examine the different causes of unforced errors (UE) of Women’s Collegiate tennis players from the perspectives of coaches and players. Specifically, and based on previous research (Hirata, Sato, Murakami, Sato, & Saijo, in press; Shibahara, Tamaki, Hirata, Sonobe, Morii, & Saijo, 2015), a measure was developed to collect data on UE. The factor structure was examined using data collected from 283 Collegiate women tennis players and 77 coaches of women tennis players. These participants were divided into High-Skilled (HS) and Low- Skilled (LS), where the criteria for such selection was based in the competition level played in different Competitions. In order to access the HS competition, players needed to be winners of the LS competition. Comparing and contrasting both groups are in the basis of the current research study.

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