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The requirements for engine oils are as follows: (i) The methyl alcohol or ethyl alcohol is hydrotropic substance which is not easy to be mixed with gasoline; as a result, the combustion may not be complete and the water content of the combustion product will be high which may penetrate into the crankcase and emulsify the engine oil, so excellent emulsion resistance performance is required for the engine oil.
Send the engine oil sample to professional oil testing institution for analysis and testing.

., and the power supply system, control system, compressed air system, nitrogen system, the fuel gas system, water supply and drainage system as well as auxiliary production systems such as fire protection system and torch system are equipped with accordingly [5].
overheating Unit Auxiliary project Trigger events Poor electrical equipment installation and maintenance without excluding accident hidden danger in time; large calorific value of electrical equipment during operation; electrical equipment overload work ; insufficient lubrication of the motor during operation; violation of regulations for setting line; poor ground wire ; electric spark; lightning Occurrence conditions Insulation breakdown; stabilized voltage supply circuit; high impedance component overheating caused by poor contact Accident consequence Fire; casualties Risk level - Precautionary measures Setting right building fire resistance rating conforming with the code; strict quality control of electrical equipment and its installation; forbidding overload operation; good ventilation and cooling as well as humid protection work at transformer room and distribution room; taking measures for damp proof and preventing rodent’s bite; rerouting  or temporary routing must be handled by an professional

Introduction Housing has formed a cogent part of human need as next to air, water and food [1].
Chinwokwu, The Role of Professional in Averting Building Collapse, in: Proceedings of 2-days’ seminar of NIOB (Lagos state chapter) on Building Collapse, Prevention and Remedies, Lagos Airport Hotel, Lagos 3rd -4th May 2000

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.

highway Other highways Second-class highway Third and fourth-class highway 1△ Degree of compac- tness (%) excavation（m） 0~0.30 — — 94 densimetry: 4 times in compacted layer every 200 meters 3 0~0.80 ≥96 ≥95 — fill （m） 0~0.80 ≥96 ≥95 ≥94 0.80~1.50 ≥94 ≥94 ≥93 ＞1.50 ≥93 ≥92 ≥90 2△ flexure(0.01mm) no more than requirement of desigh value Detection according to specification 3 3 Longitudinal height(mm) +10，-15 +10，-20 Dumpy level:4times detection in fracture surface every 200 meters 2 4 Midline deviation(mm) 50 100 theodolite:4 times detection every 200 meters,adding HY, YH in curve 2 5 Width(mm) No less than design meter ruler: 4 times detection every 200 meters 2 6 flatness(mm) 15 20 3-meter ruler: 2×10feet detection every 200 meters 2 7 Cross slope(%) ±0.3 ±0.5 Dumpy level: 4times detection in fracture surface every 200 meters 1 8 Side slope No steeper than design value dipstick metering 4 times detection every 200 meters 1 Ground penetrating radar (GPR) can realize pavement thickness, water
Detection and Assessment Method of Highway Engineering Quality 3.1 Comply with the specification The quality evaluation of highway engineering should strictly obey national laws and regulations,especially standard in JTG_FS01-2004 (highway engineering quality detection and evaluation standard.For instance, construction projects should be divided into different units,engineering is a work process to complete the partial body based on the technical conditions, design pattern and engineering part; division of the project is carried out in accordance with the types of professional engineering division.

When the weather gets cold, pond has no water.
Dance studio is the professional classroom just put into used.

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.

Introduction Microcomputer Principle and Interface Technology is an important professional foundation course of electric automation major, computer major and measurement and control major etc.
Table 1: Task content and knowledge points Task Content Knowledge points 1 One LED light flashing control MCU minimize system composition and function 2 Traffic lights design Input/output of MCU 3 Water lamp started by buttons 4 Neon lights control Timing/Counter of MCU 5 Simple frequency meter design Interrupt system of MCU 6 Display with Four LED nixietube LED nixietube display technology 7 Simple calculator design Keyboard identification and processing technology 8 Dual MCU communication Serial communication of MCU 9 MCU and PC communications 10 Off chip RAM memory read-write Off chip RAM memory extend and read-write technology 11 Simple digital voltmeter design A/D interface technology 12 Simple signal generator design D/A interface technology 13 Digital temperature measuring system Comprehensive application Introducing "learning by doing" teaching method.

Previous detection of concrete quality defects mainly uses the borehole core, water pressure test and borehole acoustic testing method [1-2].
Explain Results GPR collected data and formed digitally processed image, is still radar waveform information, need professional technology personnel analysis, according to the different characteristics of wave amplitude, wavelength, waveform and the same phase axis.Then it can eventually radar waveform section into the whole detection zone and explain the resulting graph.

It includes Road Transport, Rail Transport, Inland Water Transport, International Shipping
Traditional Chinese management styles as well as a lack of professional expertise pose additional obstacles (Goh and Ling 2003).