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Economic activity units or groups flock to various professional economic center – resources gathered location for the maximum benefits.
Based on,Because that owing to the effect of attractive, non-regional economic factors can move, change and with the direction of flow like the water molecules, and interact and transform between each other like fluctuations in the water, and transfer kinetic energy.

Study on Wharf Accidents Based on the Grey Correlation Analysis Xiao-li Wang 1,a, Xiao-xiao Li1,b, Wen-ling Guan1,c and Shi-tao Peng2,d 1College of Environmental Science and Safety Engineering, Tianjin Technology of University, Tianjin, China 2Laboratory of Environmental Protection in Water Transport Engineering, Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China awangxiaoli_cbm@sina.com, blixiaoxiao989@163.com, chjgwl@163.com, dpengshitaotj@163.com Keywords: accident statistics,main related factors, grey correlation analysis, petrochemical wharf Abstract.
So, the workers in petrochemical wharf and storage areas should improve professional skills and improve their safety consciousness.

Electrical design personnel should try to cooperate with professional architecture.
Water pump, fan and so on also have a significant energy saving effect. 2.3.1 Choosing Efficient Motor On some occasions, the load rate is more than 50%, working over 3000 hours per year, we should select high efficiency YX type motor.
When choosing motor capacity, we should avoid "big mare car" phenomenon to improve the load rate. 2.3.2 The Application of PLC and Frequency Conversion Governor The motor in architecture, is equipped with water supply and drainage, construction and other system, which is generally supplied by the equipment manufacturer.

achieved certain success in the low-carbon development, there are also some shortcomings, especially compared with foreign advanced level and the requirements of the development of low-carbon economy in China, there are some gaps, mainly shown in: Transportation structure is irrational Unreasonable structure of transport is mainly reflected that freight vehicles are almost medium-sized ordinary pickup trucks, the proportion of heavy goods vehicle of efficiency and low consumption, low-van, container trailer, and various special purpose vehicle is very low; the number of high-end passenger cars is very small, technical performance of passenger vehicles is mostly lagging behind; overall level of technology of ship is low, ships are aging ; the comparative advantages of inland shipping are yet not given full play, hierarchical structure of waterway is irrational, high grade waterways are scarce, hierarchy waterway network has not yet formed; pier number is large, but proportion of deep-water
In socialist market economic system in China, there are problems for the government staff based on the understanding, such as regulations identified difficulties, lack of professional detection technology and relaxed law enforcement, in communication with transportation practitioners and law enforcement process, making energy conservation of transportation industry difficult to carry out.
Actively develop water transport, advance adjustment of port structural, develop large-scale and specialized port; improve technical level of waterway to accelerate the formation of inland waterway network of high-grade channel as the main; take efforts to improve the structure of the road network, improve capacity and efficiency of the road network , enhance technical grade and pavement level of the highway.

Water-cooled copper mould with a size of 400×250×40 mm3 and a casting cooling rate of approximately 7 K/s were used.
Polished specimens were subjected to an anode oxidizing in 10% (HF in H3BO4) water solution at a voltage of 20 V, a temperature of 4±2 °C for 20-40 sec to study in polarized light of LM.
The superplastic behaviour was characterized by uniaxial tensile tests using a Walter BayLFM-100 test machine with professional software to control the traverse motion.

They are made from crude oil, natural gas and additional materials as coal, lime, air and water.
First, they must undergo a preparatory treatment where different additives are added to the plastic or water is removed.
Fig. 3 PTFE foil [9] Table 1 Properties of PTFE foil [9] Nominal width [mm] 0,1 Specific weight [g/cm3] ca. 2,18 Heat resistance -150 °C until +300 °C Adhesive thickness [mm] 0,009 Adhesive type Silikon Adhesive tape [N/cm] 7,0 Great anti-adhesive properties, resistant against chemicals, great dielectric properties For the purpose of the monitored pipeline, it is more effective to coat it by professional company than to use a self-adhesive PTFE foil, even though it is economically more efficient.

His vast experience in hydraulic compressor research enables him to offer professional guidance and service to others in this field.
His experience and knowledge can be applied to the user domain, function domain, physics domain and process domain, which are useful in the design of water pumps, turbomachinery, and water pipelines.

Examples of typical cleaning fluids are water, brine, and diesel.
The cleaning fluid is assumed to be water for simplicity sake, with viscosity of 1 cP.
Gulf Professional Publishing, (2011)

This kind of construction technology realizes a construction with fresh water concrete, which significantly improved the project quality.
Third, the template hoisting construction must be directed by professional staff, to ensure the well coordination of the hooks, lifting as well as other work and a safe efficient run.
Foundation and wood templates should be watered wet before pouring concrete, and then pour the wall column with 30mm-50mm thickness of alkali stone concrete which has the same ratio with it.

People hope that they can interact with computer by using natural language instead of professional language or inflexible user interface.
For example,"*where*P*N*" is a ST, suppose that NNL={beer, soda water} and PNL={have, get}.
or "Where I can get soda water?"