Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: September 2017
Authors: Vikas Lahariya
On the basis of mentioned data, It is proposed that green light emission assigned to transition from donor level due to sulfur vacancies to valence band[22,23].
Ichimura Defect reduction in electrochemically deposited CdS thin film by annealing in O2,Solar energy Solar materials & Solar cells.,50(1998),147-153 [25] E.
Ichimura Defect reduction in electrochemically deposited CdS thin film by annealing in O2,Solar energy Solar materials & Solar cells.,50(1998),147-153 [25] E.
Online since: July 2020
Authors: Aamer Najim Abbas, Halah Al-Nealy, Abdulhadi Al-Saadi, Merza Imran
Table 7 Modulus of rupture of tested specimens
Concrete type
Modulus of rupture (MPa)
Percentage of improvement (%)
0 % SCBA
3.22
Reference specimen
3 % SCBA
3.61
12.11
5 % SCBA
4.01
24.53
7 % SCBA
4.72
46.58
10 % SCBA
4.96
54.04
Slump test
Through the data in Table 8, it shows there is a significant increase of the slump values for different types of concrete.
The amount of reduction is about (13.76) %, (13.24) % and (11.94) % for in comparison to specimen at 28°C.
The amount of reduction is about (13.76) %, (13.24) % and (11.94) % for in comparison to specimen at 28°C.
Online since: December 2023
Authors: Haia Aldosari
According to data from 2018, 9.4 million tonnes of plastic garbage were gathered in Europe for recycling, whereas 359 million tonnes of various plastic materials were manufactured globally during that same year [6,7].
Gomez-Alvarez & et, al., NANOCOMPOSITES OF ZINC OXIDE ON GRAPHENE OXIDE: A RAPID REDUCTION OF GRAPHENE OXIDE, Digest Journal of Nanomaterials and Biostructures.2021,16, 101 – 107
Gomez-Alvarez & et, al., NANOCOMPOSITES OF ZINC OXIDE ON GRAPHENE OXIDE: A RAPID REDUCTION OF GRAPHENE OXIDE, Digest Journal of Nanomaterials and Biostructures.2021,16, 101 – 107
Online since: June 2024
Authors: Maysaa Moffeq Alobaidi, Luma Mohemmed Yahya
Organic Formation
The adoption of efficient formal guidance and the adoption of formal cohesion (Fig. 5), the principle of using median yards in the formal formations (Fig. 6), the adoption of locally available materials, and the reduction of depth ratios in the formal building [17] in addition to the different architectural formations characterized by the diversity of openings From one floor to another in terms of surface and formation and according to the different function of each space and the gradation in the sizes of spaces and spaces and the diversity of their forms [15].
· .Emphasis on the importance of dealing with environmental data and taking traditional architecture as a starting point for design compatible with the environment to reach a contemporary architecture that belongs to its original environment, an experiment that has proven successful in our Arab environment
· .Emphasis on the importance of dealing with environmental data and taking traditional architecture as a starting point for design compatible with the environment to reach a contemporary architecture that belongs to its original environment, an experiment that has proven successful in our Arab environment
Online since: August 2024
Authors: Mohammad Afzal, Rehbar Khan, Inayat Rasool, Ateeb Ahmad Khan
Introduction
In 3D printing objects are created layer by layer using CAD data, eliminating the need for machining during assembly.
Residual Stresses: Bellini et al. in 2021 revealed that annealing per layer resulted in reduction of stress by approximately 90% towards the lower layer of the component.
Residual Stresses: Bellini et al. in 2021 revealed that annealing per layer resulted in reduction of stress by approximately 90% towards the lower layer of the component.
Online since: June 2009
Authors: Jin Ji Gao, Li Dong He, Wei Min Wang, Hong Xu
The category of engineering cybernetics' theory is as follows:
1) System identification and information processing
To analyze delicately for the measured physical signals using theory and technology of mode
identification; and representing the results using text or diagram so that their meanings can be
understood accurately.
2) Modeling
To abstract the essence of controlled engineering object based on experimental data and using
mathematic methods.
3) Optimum Control
To study the principles and methods to reach the object of control with lowest cost.
4) Self-evolution
To give Self-evolution ability to a system so that the system can change its structure and
parameters, and even can develop new functions based on the changed environmental conditions or
according to the instructed assignment.
5) Fault tolerance system
To introduce to a system a fault tolerance subsystem with the following functions such as
self-diagnosis, error detecting and correcting
Abnormal Conditions and Tendency Engineering Cases Mechanism Study CCoommppaarriissoonn--DDiiaaggnnoossiiss IInntteelllliiggeenntt DDiicciissiioonn Table 2 Functions of the Self-recovery System for Centrifugal Compressor Self-recovery Function Self-recovery Power Self-recovery Mechanism Actuator Limitation Auto-balancing of rotor adaptive regulation Compensating deflection Auto-balancing head (hydraulic or electromagnetic) Efficiency losses Axial displacement regulation Excitation response Counteracting disturbance Pressure difference adjusting on balance piston or axial electromagnetic equipment Liquids get into compressor Swirl break Excitation response Counteracting disturbance Suction unit Efficiency losses Subsynchronous vibration Excitation response Counteracting disturbance Radial force unit like electromagnetic force or squeeze oil film damper False regulation Low-frequency vibration reduction
Abnormal Conditions and Tendency Engineering Cases Mechanism Study CCoommppaarriissoonn--DDiiaaggnnoossiiss IInntteelllliiggeenntt DDiicciissiioonn Table 2 Functions of the Self-recovery System for Centrifugal Compressor Self-recovery Function Self-recovery Power Self-recovery Mechanism Actuator Limitation Auto-balancing of rotor adaptive regulation Compensating deflection Auto-balancing head (hydraulic or electromagnetic) Efficiency losses Axial displacement regulation Excitation response Counteracting disturbance Pressure difference adjusting on balance piston or axial electromagnetic equipment Liquids get into compressor Swirl break Excitation response Counteracting disturbance Suction unit Efficiency losses Subsynchronous vibration Excitation response Counteracting disturbance Radial force unit like electromagnetic force or squeeze oil film damper False regulation Low-frequency vibration reduction
Online since: February 2008
Authors: Yin Xiao, Hui Peng, Xueli Mao, Andrew K. Whittaker, Ross Crawford
One important remaining problem is inadequate interaction between polymer and cells,
leading to in vivo foreign body reactions.
4, 5 Approaches to improve biomaterials include reduction
of non-specific protein adsorption, enhancement of adsorption of specific proteins, and surface
modification and immobilization of cell recognition motives to obtain controlled interactions
between cells and synthetic materials.
6-14
In this paper, an amphiphilic triblock copolymer, poly(methoxy ethylene glycol)-poly(L-lactide)-
poly(L-lysine) (MPEG-b-PLLA-b-PLL) was synthesized via sequential polymerization of PLLA
onto MPEG, followed by ring opening polymerization of PLL onto the functionalized chain end.
Using the XPS data it is possible to propose possible structures of the surface of the films.
Using the XPS data it is possible to propose possible structures of the surface of the films.
Online since: October 2011
Authors: Toemsak Srikhirin, Surachai Dechkunakorn, N. Anuwongnukroh, Siraprapa Srithongsuk, Peerapong Tua-Ngam
However, clinical studies have exhibited conflicting data as to whether or not these materials significantly prevent or inhibit secondary caries and affect the growth of caries-associated bacteria compared to nonfluoridated restoratives.
This implies that more fluoride released from acrylic plates will also have more flexural strength reduction.
This implies that more fluoride released from acrylic plates will also have more flexural strength reduction.
Online since: July 2006
Authors: E.F. Sheka
The
procedure correctness has been proven just recently
for the С60F48 adduct, related to the 24
th step of the
fluorine molecule addition, whose structure
perfectly suits the experimental X-Ray data for the
crystal [32].
Being undergone to the reduction near the cathode, the EA group would be pushed to the anode causing the ligand rotation in the manner discussed above.
Being undergone to the reduction near the cathode, the EA group would be pushed to the anode causing the ligand rotation in the manner discussed above.
Online since: November 2017
Authors: Mostafa A. Elshahed, Zeinab H. Osman, Mahmoud Dawod
The detailed data of these systems are given in references [17, 18].
Sharma, Optimal allocation of distributed generation in distribution system for loss reduction, In Proc.
Sharma, Optimal allocation of distributed generation in distribution system for loss reduction, In Proc.