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The enterprise will exempt to levy income tax during the first 1-3 years and halve to levy income tax in 4-6 years if the enterprises engage environment protection projects of energy and water resource conservation which including public sewage treatment, public waste treatment, comprehensive development and utilization of biogas, technological transformation of energy saving.
The enterprise will deduce 10% income tax if the enterprises develop and employ environmental protection special equipment, energy and water saving devices.
It can provide timely information of technology, management and policy of the low-carbon economy and it also can carry out professional low-carbon technical services which including technology training, information consulting, performance assessment and scientific and technological transformation.

Advancement in irrigation led to advancement in the way water was stored and sent to deserted areas, placing more land into agricultural production thus increasing agricultural production.
Application of Enabling Technologies in Agriculture 4.0 [3] Enabling Technologies Research Challenges Key Applications Internet of Things (IOT) · Professional Agriculture sensors · Cross media and Cross- Technology Communication · Robust Wireless Networks · Wireless Power Transmission & Ambient Energy Harvesting · Livestock and Aquaculture monitoring · SAGIN (integration of satellite system and aerial network) · Smart Farming · Smart Greenhouse Robotics · Intelligent Action · Autonomous Navigation · Accurate Detection · Plant Factory · Aerial Spraying and Monitoring · Biodiverse Farming · Autonomous Farming · Automatic Husbandry · 3D food Printing Artificial Intelligence & Big -Data Analytics · Distributed Secure Machine Learning · Technical and Social problems with Big Data · Difficult to find exclusive results
With the help of drones, farmers identify the part of crops that need watering or fertilizers and weed removal.

In turn, the disappearance of forests caused soil erosion, and gradually undermined their drinking water reservoirs and agricultural production capacity.
Without food and water, the Mayan city-states collapsed, and the Maya return to the bush and forest again.
No matter where, there are very limited people could invest time and resources to do a "professional" citizen.

Waters, M.J.
HIBBERT 1998 Professional Engineering 11(3), 22.

Mortar is one of the essential materials in construction engineering, its components include cementitious materials, mineral admixture, fine aggregate, water, and admixture, etc.
The water reducing agent is polycarboxylic acid high performance water reducing agent, the water reducing rate is about 22 %.
The additive is hydroxypropyl methyl cellulose ether in the form of white powder. 2.2 Test protocol and test specimen preparation 2.2.1 Mix-ratio design scheme Design-Expert software is a powerful professional experimental design software, in which the Center Composite Design (CCD) and Box-Behnken (BBD) design are the more widely used response surface design methods [13].
Chamber to maintain the temperature (20 ± 1) ℃, relative humidity of 90 % or more, the specimens should be maintained at a certain distance from each other, and the specimen on the surface of the depth of water should not be less than 5mm, maintenance period can only be added to the water is not allowed to change the water.
This is due to the small particle size of the fly ash particles, the specific surface area is larger, with the increase in the amount of fly ash mixing, the cementitious material water requirement also increases.

The water body, however, seems a little weak when we integrate the ‘line’ into city’s fabric.
The water system layer shows water body follow topography.
Primarily, we could find two disconnected points of water and green space.
Someday...perhaps 20 years from now, all the huge excavation below will be filled with water. 
Then select the blocks which include water body existing to plant vegetation.

The temperature was kept below 10 ℃ using a water bath.
The mixture was washed with 200 ml of DI water and 200 ml 30% HCl and 200 ml ethanol three times.
The solution was washed with DI water multiple times until the PH become 7.
Upon cooling the water was removed and sulfur powder was added to it.
Upon cooling the water was removed and sulfur powder was added to it.

Maintenance program needs sufficient fund for spare parts, consumable items, contract labors, consultant, and in-service inspection that requires external professional.
Monitoring of coolant water condition is done through water treatment process continuously and resin exchange if the primary coolant quality decreases.
The results of the coolant water quality monitoring are shown in the reactor operation report. 3.
Monitoring is carried out on the quality, activity and temperature of the reactor cooling water.
RSG-GAS Primary Cooling Water Quality, indicating that no OLC was exceeded.

One is to study the carbonation behavior of steel slag in the steel slag-water system[21-29].
Ukwattage et al[25] studied the effects of CO2 pressure, temperature and water-to-solid ratio parameters on the CO2 storage rate and efficiency of steel-making slag.
Steel slag powders were mixed with water at the same water-to-solid ratio of 0.2 until homogenous mixtures were obtained.
Put a certain amount of water into the carbonation tank in advance, the specimens were placed in the bracket placed on the water.
Acknowledgements This study was supported by National Natural Science Foundation of China (No.51572234, No.51672236, No.51702278), and Jiangsu Province, ecological building materials and environmental equipment Collaborative Innovation Center Project (CP201506) and Jiangsu Province, Graduate School of Professional Degree Program (SJLX16_0677).

Attempts to estimate the quantitative measure of the ”significant extent” of renewable energy appeared in the literature and professional societies [3].
In the followings solid biomass for heating and domestic hot water supply is considered.
Alternative No.14 includes a pellet-fired biomass boiler for heating and domestic hot water supply.
The natural gas covers the peak load (and may cover the energy need of the domestic hot water all over the year) the biomass covers the majority of the heating energy need (and may cover that of the domestic hot water supply when a storage tank is applied).
Version No.21 demonstrates the calculations of the new wood gasification boiler and solar hot water combination.