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Its introduction in orthodontics occurred in the 1970s, which brought irreversible changes in the corrective treatment techniques for both the patient and the professional, allowing large activations with the use of light and constant forces[13].
Subsequent to the forging a solubilization heat treatment was performed at 850 °C for half an hour with rapid cooling in water.

In users’ opinion, the resources of ‘cloud’ can be used as required and purchased like water and electricity.
How to effectively manage the archives derived from ‘cloud’ is the problem archives department should resolve in the ‘cloud’ era. 3.2.2 Changes of Talent structure in archive department In the other side of ‘cloud’, there are professional manager to maintain system.

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.

Introduction Evaluation work of the professional and technical positions involves the performance evaluation about the teaching staffs.
Soil and Water Conservation In China.

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).

Highway design and traffic safety engineering handbook (McGraw-Hill Professional Publications, Newyork (1999) [2] Geogre W.
Pavement surface water phenomenon and traffic safety.

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.

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.

Basic information of the highway construction project A B C D Project Element Estimated Cost (thousand, $) Low % High % 1 Purchase of right-of-way 1,200 100% 100% 2 Design 200 98% 105% 3 Hazardous substance 125 92% 110% 4 Coordination with railroad companies 50 96% 108% 5 Treatment of water discharged 400 90% 125% 6 Road user cost 100 85% 130% 7 Lane rental 80 90% 115% 8 Construction Cost 1,500 90% 120% 9 Total Cost 3,855 Figure 2.
Professional Practice Guide 2: Risk.

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.