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This term refers to a professional use of a combination of science, art, craft skills and technology as a tool to preserve the architectural heritage.
The beams are not in contact with the ground, but they have direct contact with the water and some of them should be replaced.

In addition, the author analyzes the evaluation process carefully, we can see that the enhancement for the effect of blasting operations for the blasting force of Corps Engineers can be done from following three aspects: First, pay close attention to normal training to let operators has excellent professional qualities; second, diverse training enables operators to use various equipments and target types frequently so as to improve the capability for mission completion; the third one is to improve flexibility for preparation of adjustment in order that the number of workers and organization planners can quickly meet the demands of the blasting mission.
“Brief analysis demolition technology in bridge application” China Water Transport(Theory Edition).

For creating the virtual prototype of the inspection robot, Autodesk Inventor Professional 2012 was used.
The robot is capable of operation in liquid environment such as water, sewage or oil.

First, it classifies the concepts of professional field, thesaurus building and relation constraint between the conceptions description, then based on this, constructs detailed domain ontology knowledge base.
relevant research of concept retrieval, describes the following steps to abide 8, 9: Fig.2 RM domain ontology structure 1) Define the conceptual hierarchy and attribute, for example, Magics (Materialise Corporation, Belgium) belong to RP software, is lower concept, meanwhile it has attributes such as RP pretreatment, perfect modeling technology, powerful 3d editing and wide range of application etc.; 2) Set R, relation can be expressed “part-of”, means part-whole relation, such as Dimension Elite 3D printer (Stratasys Inc., USA) is a typical fused deposition modeling (FDM) processing equipment which composed of feeding system and nozzle, that is R=(Elite, Nozzle)；It is also can be “is a”, shows class A is subclass of B, it means the concept that “kind-of” parent class expressed, such as Elite 3D printer nozzle includes model tip and support tip, there is R=(Nozzle, Model tip); When it expressed “attribute-of”, means attribute relationship, for example, Elite 3D printer needs supply water-solubility

Acknowledge This project is supported by Special Project of Basic Professional Work of Heilongjiang Education Department (135209310, 135309374, 135209231); Heilongjiang higher education reform project (SJGY20180561); Science and Technology Plan Projects of Qiqihaer Science and Technology Bureau, Industrial Research Project (GYGG201918, GYGG-201920, GYGG201714).
Study on Effect of Microgroove Bottom Shapes on Mixed Lubrication Characteristics of Water Lubricated Journal Bearing.

Cotton also has a reputation as a water-intensive crop, and questions have been raised about the efficiency of water extracted for flood irrigation, water quality concerns such as pesticide run-off into groundwater, and water scarcity in relation to water availability.
Furthermore, consumers are highly sensitive to water and pesticide usage in cotton production [6].
One figure from the World Wildlife Fund (WWF) [38] states that it takes up to 2700 litres of water to produce a cotton t-shirt.
Another claim, from the Textile Exchange [39] report, suggested that organic cotton uses 91% less blue water consumption than conventional cotton.
Web site: https://www.businessoffashion.com/articles/professional/exactly-how-bad-is-fashion-for-the-planet-we-still-dont-know-for-sure

Poly (vinyl alcohol) is one of the polymers of great importance in many applications, especially in commercial plastic uses, as it possesses a solubility in water.
As well as being soluble in water, slightly soluble in ethanol, however Insoluble in other organic solvents[9][10].
PVA it is an organic polymer and has a wide range of applications in the biochemistry, biomedical and pharmaceutical sectors, and the production sectors such as packaging due to its good compatibility with some substances, its ability to soluble in water and its relatively high ability to biodegrade in some environments, and it is considered one of the most studied materials for its use as an electrical insulating material and use in the applications , industrial , military, and space[11].
PVA polymer samples was dissolved for each sample in (15) mm of distilled water, and to ensure complete solubility of the polymer, a magnetic Heater Stirrer device from (LASSCO) brand of Indian origin was used.
Prentice Hall Professional, (2004) 16-21.

The advanced modeling tools can be used to produce the mountains, water, ripples, waves, particles and irregular shape, such as: the human body, plants, etc.
The high-quality film or video can be generated in a short time using other professional animation.

Despite to the decision of Russian Federation Health Ministry [15], many enterprises use sand as an abrasive material, banned in European countries as early as the 1950s – 60s of the 20th century, due to the high dusting and carcinogenicity of quartz dust for people (the professional disease of sandblasting operators is pneumoconiosis of the lungs [16]).
With the dynamic effect of solid particles on the metal surface and the presence of water, metal may corrode according to the reaction: Me + H2O = MeO + H2.

It will bring the enterprise with double benefits while at significantly reduced cost by utilizing project consulting service offered by the external expert or the professional organization and facilitate successful informatization construction.
CHANG: China Water Transport, Vol. 10 (2003), p. 51-52 [5] Q.S.