Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: January 2017
Authors: Bo Li, Yi Fu Shen, Lei Yao
FSLW experiments were performed using a professional FSW machine and a designed combined-type tool.
Process parameter The tool rotation speed (n, r/min) The tool shoulder tilt angle with sheet surface (a, °) The shoulder press amount into the upper Cu sheet (d, mm) The downward plunge value of the tool pin into the lower Ti sheet (T, mm) The tool travel speed (v, mm/min) 1 800 0.5 0.1 1.2 40 2 800 0.5 0.1 1.2 80 3 800 0.5 0.1 1.2 120 4 800 0.5 0.1 1.7 40 Samples for metallographic examinations were cut, ground, and polished according to standard procedures, and etched with a solution consisting of HF (6 mL), HNO3 (8 mL), and distilled water (86 mL) for 5s.
Online since: January 2005
Authors: Jung Sun Kim, Min Jin Kwon, Hwan Mook Kim, Dae Duk Kim
After 1-hr incubation at 4°C, the cells were washed five times with deionized water.
Hoekman: ACS Professional reference book, American Chemical Society, Washington, D.C. (1995).
Online since: September 2011
Authors: Zhi Ge, Xue Yu Gao, Bai Ying Shi, Xue Ping Ma
Highway design and traffic safety engineering handbook (McGraw-Hill Professional Publications, Newyork (1999) [2] Geogre W.
Pavement surface water phenomenon and traffic safety.
Online since: October 2014
Authors: Da You, Zhao Ji Hu, Wen Jiang Chen, Jiao Yang Liu
In this system, MHI simulation is represented by tank models including vertical cylindrical tank, horizontal cylindrical tank and spherical tank. 3D geographic information simulation Besides MHI, there are other geographic information in & around the petrochemical enterprise, such as roads (including street lamps), water resource, green areas (including green belts and trees) and buildings, etc.
A X3D-based VE of enterprise can be interactively operated by the professional X3D browser's right-click menu.
Online since: May 2015
Authors: Noor Haznida Bakar, Aidah Jumahat, Anizah Kalam, Ridzuan Jazlan, Koay Mei Hyie
The kenaf fibres were soaked for twelve hours and washed by using distilled water.
The surface of the sample that had been tested by compressive test was analyzed via Stereo-zoom Microscope (model NK Vision NZM7045-T1) with software IMAPS ver 4.0 Professional Edition.
Online since: October 2013
Authors: Han Yu, Yong Mei Qian, Ruo Zhu Wang
To accelerate the rural science and technology innovation and progress, to solve the rural housing, safe of drinking water, health etc. the most urgent and the most realistic demand of peasant is the responsibility and obligation to scientific and technical workers.
Hope that through theoretical research and pilot test made of professional staff, so that the new energy-saving residential building of towns and villages is more realizable, and comply with the relevant national policies and regulations and standards.
Online since: February 2011
Authors: Bao Feng Li, Jing Guo Qu, Pu Yu Hao
Introduction Evaluation work of the professional and technical positions involves the performance evaluation about the teaching staffs.
Soil and Water Conservation In China.
Online since: April 2012
Authors: Xiao Shu Sun, Xian Wen Gao, Kun Li, Ping Zhang
Works as follows, the gas source produced by the pump unit first pass through the gas triplet, which consists three parts of water separator filter device, regulator, lubricator and these have functions of drying air play, Fig. 1.
Establish testing parameter database to prepare for field testing and studies of professional maintenance will be the next focus of the work.
Online since: July 2015
Authors: Mohammad Sedighi, Christof Sommitsch, Andreas Huetter, Rudolf Vallant, A.H. Jabbari
A professional force controlled FSW machine is used to implement FSP on samples.
Microstructures: The polished samples were etched using an etchant composed of 4.2 g picric acid, 10 ml acetic acid, 10 ml distilled water and 70 ml ethanol, applying an immersion time of 1-2 seconds.
Online since: October 2011
Authors: Nan Lin, Fei Liu
The Necessity of Building Digital Wuhan At present, in the national more than 600 cities, had more than 120 cities in the construction of urban planning and management information systems, more than 400 cities in the construction of real estate management information system, more than 100 cities build a synthesis or professional management network management system, also there are more than 100 cities are building space-based information systems[1].
Establishes the urban grid management pattern, take the Jianghan area as the example, depends on the electronic map, this area 33.43 square kilometers territory is divided into 1003 grids and 75 administrative districts, the urban management, the environmental protection, the water supplies and so on 20 content for all times to monitor and handle.
Showing 3061 to 3070 of 3745 items