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International professional literature recommends the LaPera etchant in order to determine whether the microstructure stereotypical of TRIP steels has evolved as a result of the applied heat treatment technology - that is, to inspect the microstructure through etching [2].
Reagent 1 Reagent 2 1g Na-metabisulphate (Na2S2O5) 4g picric acid (dry, C6H3N3O7) 100 cm3 distilled water 100 cm3 ethanol Table 3: Composition of the LaPera etchant applied during colour etching [2] The reagents can only be mixed directly before usage, because the etchant becomes ineffective very quickly.
The colour shades after colour etching do not always correspond to those put down in international professional literature.
Results yielded from colour etching do not always correspond to those put down in international professional literature.

Being a professional fire fighter thus means to have an extremely responsible and strenuous job with high risk of failure.
The future Rescue Services would prepare for their profession more responsibly and professionals could refresh their skills and validate procedures acquired from practice.
Cooperation of experienced Rescue Services with IT professionals can lead to development of new and better simulation tools with improved knowledge database.
This modern technology will be able to train professional firefighters and can be implemented in training process of fire and rescue units in Slovak Republic in the near future.
Mariš, Simulation Technologies - Tool for Improving Safety Work of Firefighters, in: Journal of Safety Research and Applications in Professional Safety - JOSRA, 2016, vol. 9, issue 1-2, pp. 1-8.

The aim is to develop environmental responsibility among all the professionals involved in a project, no matter the function, the scale of the object or its structural or constructive features.
This particular case of ventilation is widespread in the construction of passive houses or in office buildings, targeting the reduction of overall consumption (of heating, electricity, water etc.).
In the last decades it was developed the possibility of having heat storage tanks, necessary for heating and hot water, by using a technology based on the thermodynamic principle of water and simple physical natural phenomena.

The students also have problems with the regulations about paying water and electricity fees which accounts for 11.6% of the students.
There is a certain amount of subsidy for the water and electricity use for every student.
Table 4 Problems in Dormitory Management System Dormitory entry Turn off the light by 11 Not allowed to leave by 11:30 Treasure management Internet access management Water fees 304 657 596 368 545 615 5.8% 12.4% 11.3% 7.0% 10.3% 11.6% Electric appliances Not allowed to opposite sex dormitories Elevator use not enough equipments Less humanist else 543 348 456 513 241 97 10.3% 6.6% 8.6% 9.7% 4.6% 1.8% As is shown in Tab.5, nearly half of the students (49.6%) choose the studying atmosphere of their dormitory to be OK.
Though the mixed boarding system is good and useful for students as to breaking professional limitations, improving students' knowledge structure and expanding the circle of friends, the students have problems in getting useful information for academic study from their classmates.
First, the dormitory learning seminars or professional seminars should be held periodically to increase the studying atmosphere in the dormitories.

In this paper, the data from CBM fields and laboratory study are integrated to evaluate the CBM resources in the Jixi Basin, using the software “Mapinfo professional 8.5” [2]based on Geographic Information System (GIS) [3-4] and analytic hierarchy process (AHP) mathematical models. 1.
Fig.3 The relationship between pressure and adsorption volume (a), depth and gas content （b）and Ro, m (c). 2.3 Hydrodynamics and CBM accumulation The main water-bearing strata in Jixi Basin were Cretaceous coal-bearing formation.
In general, the Jidong district is a inclined slope, with the eroded northern part and Muling river flowing through the whole basin, which will provided fresh water to the aquifer.
In the southern part of the basin, ground water migration will be prevented by the Pingma fault (Fig.4).
Based on this volumetric method, the GIP resources are obtained from the overlap calculation system in“MapInfo professional”.

To reduce the high consumption and abate the pollution, therefore, it is necessary for the professionals of heating and ventilation air-conditioners to lay stress on the energy conservation design of air-conditioning system and right selection of equipment, and to call on and guide the customers for correct use of energy conservation and emission reduction of household appliances.
The common refrigeration equipment is divided into air-cooled water chilling unit and water-cooled water chilling unit.
The most of large-scale air-conditioning systems use centrifugal water-cooled water chilling units for high energy efficiency, while the most of medium- and small-scale air-conditioning systems often use compressed and screw type water-cooled or air-cooled water chilling units for high energy efficiency.
Energy Consumption and Correct use of the Chilled Water Pump and the Cooling Water Pump Since the large- and medium-scale air-conditioning systems generally use water-cooled condensing, there is a chilled water circulation and a cooling water circulation.
The chilled water pump and cooling water pump, which provide circulated power, are also energy hogs.

Water resources demand indicator.Pressure of the groundwater environment mainly comes from human’s demand on water resources.
The water resources demand indicator reflects the water supply capacity and the regional water demands, also, it includes the good and adverse indicators.
Table 1 Health Forewarning Indicators of Groundwater Environment Sub-indicator Layer Unit Methods or Basis for Calculation Characteristic Significance C1GDP annual growth % Based on economic development scale Indicate the economic growth C2 natural population growth % Based on population changes Change strength of the groundwater environmental stress factors C3 water consumption per GDP output m3/×104RMB Social production and life water consumption/GDP output Pressure from economic development demand on water resources C4 water consumption per industrial output m3/×104RMB Industrial water consumption/industrial outpur Pressure from industrial water consumption to water resource supply C5 water consumption norm for farmland irrigation m3/mu Effective irrigation area/farmland area Pressure from agricultural water consumption to water resources supply C6 water possession per hectare farmland m3/hectare Water resources amount/farmland area Capacity of groundwater to support agricultural water
consumption C7 ratio of agricultural water % Agricultural water consummation/total water consumption Pressure from agricultural water to water resources supply C8 ratio of water deficiency % Water resources demands-available water resources/water resources demands Pressure from insufficient water resources supply C9 surface water resources modulus ×104m3 (km2a) Local surface water resources/calculate area Resources supply capacity of natural groundwater C10 groundwater supplementary resources modulus ×104m3/ (km2·a) Groundwater supplementary amount/calculate area Reproducible capacity of groundwater C11specific capacity of aquifer m3/d·m Pumping test/existing data Self supply capacity of groundwater system C12 exploitable groundwater resources modulus ×104m3/ (km2·a) Exploitable groundwater resources/calculate area Regulating capacity of characteristic groundwater C13 groundwater natural protection capacity Non-dimensional Based on DRASTIC index system evaluation results Fragility
Pcs/(100m2) Surface collapse sites/total area State of geologic structure stability of groundwater system itself C36 number of ground fissure Pcs/(100m2) Ground fissure number/total area State of geologic structure stability of groundwater system itself C37 overall grade of groundwater quality Non-dimensional Comprehensive evaluation method in the Quality Standard for Groundwater Influence and significance of human activities to groundwater environment C38 ratio of hydraulic engineering in GDP investment % Hydraulic engineering investment/total GDP investment Government’s investment response to groundwater environment administration C39 ratio of professional technicians % Professional technicians/total technicians Human’s investment response to groundwater environment administration C40 water-saving irrigation area ratio % Water-saving irrigation area/land area Human’s response to the demand pressure of groundwater environment C41 cyclic use ratio of industrial water % Repeat used water

A HPLC chromatographic fingerprint of the ethyl acetate extracts was developed.A suitable chromatographic system was established using a gradient elution with acetonitrile and water as the mobile phase and a detection wavelength of 203nm.
Distilled water was prepared with a Millipore-Q water purification system (Human Corporation,   Korea).
The mobile phase was the mixture of acetonitrile (A) and water (B) in gradient (Table 1) with a flow rate of 1.0 mL/min. injection volume 1.0μL.
Establishment of HPLC fingerprints and common pattern of 31 samples Chromatographic fingerprints of ZheRong Radix pseudostellariae were generated for 31 samples from two manufactures,and about 10 peaks were found in the chromatogram of each individual sample (Fig.1).A common pattern, also known as a reference standard chromatographic fingerprint,was generated by means of professional software named Similarity Evaluation System for Chromatographic Fingerprint of Traditional Chinese Medicine (Version 2004A) after analyzing all chromatograms derived from 31 ZheRong Radix pseudostellariae samples(Fig.2) Fig. 1 HPLC fingerprint of the ethyl acetate extracts of 31 samples of ZheRong Radix pseudostellariae Fig.2 HPLC fingerprint of the ethyl acetate extracts from ZheRong Radix pseudostellariae 2.

By professional, scientific and timely monitoring, reliable monitoring data and information on security incidents that may occur can be provided timely.
Zhou Xianglian etc. studied the foundation pit of circulating water pump-house of Beilun Electric Power Plant, and made real-time monitoring on the deformation of diaphragm walls, steel stresses, soil pressures and settlements during excavation process.
One layer of groundwater had been measured from the drilling during the geotechnical engineering investigation period, with the static water depth of 25.80m and elevation of 22.92~22.96m, defined as phreatic water.
The maximum elevation of groundwater level in recent 3-5years was around 25.70m, without the consideration of perched water. 2.2 Supporting design The supporting for foundation pit slope is divided into five areas.

And the plasticizing part of cold feeding rubber extruder becomes the research focus of professionals.
Including: Φ65×120 cold feeding rubber extruder; Hot water circulation temperature controlling system; Free feeding device, roller feeding device and spiral engagement feeding device; Performance parameters’ automatic detection devices of cold feeding rubber extruder; DS-685 electronic balance.
Including: Φ90 screw/barrel system; Spiral engagement feeding device; Hot water circulation temperature controlling system; Drive system; Controlling system.
Including: Φ120 L/D=14 screw/barrel system; Short fiber rubber performing directional head; Spiral engagement feeding device; Hot water circulation temperature controlling system; Drive system; Controlling system.