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Fig.3 3D model of volute and section Fig.4 Pump assembly sketch Afetr the water passes the impeller and fixed diffuser, it still has certain asymmetry.
So, in order to reduce the effects of water strike on volute further, the volute section can not be symmetrical as usual.
The basic circle diameter D3 is 706mm, the inlet width b3 is 226mm, the outlet diameter D4 is 553mm and the location angle of cut water is 39°.
Inner Flow Simulation As shown in fig.4, the 3D water model of impeller, fixed diffuser, and volute is built and assembled by professional software Pro/E.

The fresh jujubes were carefully washed with tap water, removed cores and cut into pieces, then kept into boiling water for 4 minutes and juiced with a juice extractor, the ratio of jujube to water 1:3(w/v).
After milling the pH of the juice was adjusted to 4.6, the enzyme were added to jujube juice for enzymatic hydrolysis at 50℃ which was controlled using a digital constant temperature water bath and Stirred by the speed electric mixer magnetic stirrer, and then the juice was heated to inactivate enzymes at 100℃ for 10min.
Published by Blackie Academic and Professional, London.

The thermoelectric design recovered absorbed heat from indoor spaces and then transmitted the heat to the cooling water, in order to increase the cooling water temperature for waste heat recovery air conditioning and hot water.
Zhai et al. [9-10] applied a multi-functional solar energy system to green buildings, which could be used for heating, cooling, natural ventilation and hot water supply.
The Airpak CFD software is professional analysis software for engineers, architects and designers.

The mixes were designed to suit shattered wall and roof applications following the Frensh professional rules for hemp concrete structures.
When used, VMA was added as 20% of water mass.
Then the tray was filled with water until cubes were immersed in a constant level of water: 8mm.
This is the initial rate of absorption (IRA) and is the amount of water that is absorbed after 1 minute of exposure and represents the initial water suction from a free water surface.
Secondly as the test enable the water to enter only by one face, the water absorption in kilograms per square meter has been calculated.

By the principle of determining the concrete mix proportions, they keep the same total cementitious materials, water, sand ratio, coarse aggregate weight, maximum aggregate size and water-reducer, change the ratio of fly ash replacement only.
Table 1 Concrete Mix Proportion Test series Parameters Material quantity （kg/m3） bc W/B W/C bs Water Cement Sand Aggregate Fly ash Water reducer Polypropylene fiber 0 0% 0.4 0.40 40% 160 400 735 1102.4 0 2.6 2 20% 0.4 0.50 40% 160 320 735 1102.4 80 2.6 4 40% 0.4 0.67 40% 160 240 735 1102.4 160 2.6 F 20% 0.4 0.50 40% 160 320 735 1102.4 80 2.6 9 Note : bc-the ratio of fly ash replacement, bs-sand ratio 2.2.
The specimens were hoisted to the interior by a professional crane company (see Fig.1, 2) two to three weeks before the test.

Table 1: Confident level of material selection for body part Criteria Confident Criteria Confident Tensile Strength 5 Impact Strength 0 Tensile Modulus 10 Density 10 Flexural Modulus 10 Water Absorbtion 10 Compressive Strength 0 Material Cost 10 Table 2: Confident level of material selection for rib part Criteria Confident Criteria Confident Tensile Strength 5 Impact Strength 10 Tensile Modulus 5 Density 10 Flexural Modulus 10 Water Absorbtion 5 Compressive Strength 10 Material Cost 10 Table 3: Confident level of material selection for stand part Criteria Confident Criteria Confident Tensile Strength 5 Impact Strength 0 Tensile Modulus 5 Density 3 Flexural Modulus 5 Water Absorbtion 3 Compressive Strength 10 Material Cost 10 Table 4: Confident level of material selection for beam part Criteria Confident Criteria Confident Tensile Strength 5 Impact Strength 10 Tensile Modulus 5 Density 5 Flexural Modulus 10 Water Absorbtion
Koppelaars: Applied Mathematics for Database Professional.

The public has been made aware that the lubricants used in machines can contaminate the soil and underground water supply.
Non-toxic and biodegradable lubricants have become a major issue especially when the lubricants involve contacts with soil, crops and ground water.
Biodegradability is the ability of a substance to be decomposed by the action of the bacteria into CO2, water, mineral compound and bacterial bodies.
The examples of the fields of application for environmental-friendly lubricants are [6]: outboard two strokes engine oils, chain saw and saw frame oils, hydraulic oils for forest and agricultural equipment, lubricants for sewage treatment plant, water weir plant and lock gate, lubricant for food machinery, metal working and metal forming processes and internal combustion engine and hydraulic system.
Lansdown, Lubrication and Lubricant Selection, Professional Engineering Publishing Limited, London and Bury St Edmund, UK, 2004

Electricity efficiency assessment of the building shows that the annual mechanical ventilation, Domestic Hot Water and lighting consumption (around 2080 kWh per year)is offset by 19 m2 of the mono-crystalline solar panels.
It allows a lower consumption of the building and lowering the water temperature by 0,5°C for high exterior temperatures.
The lighting, ventilation and hot water are taken into account in computing the electricity consumption.
Domestic Hot Water is considered electrically produced and consumes twice the energy for the first three scenarios for modelling larger loss due to poor insulation of the balloon and distribution.
The straw constructions are not more expensive than those made with traditional materials and their prices could lowered in the coming years with the rise in the number of professionals in this field.

These voluntary certifications are for public and residential buildings, and cover similar topics as LEED, including considerations of land use, energy, water, and materials, as well as indoor air quality and performance. 8 Since the beginning of 2010, MOHURD decentralized one and two stars rating permission to the provincial authorities.
China needs to study green building technology and knowhow and educate its professionals expediently.

Such achievements point to the emergence of, perhaps, a new generation of professionals: “origami engineers” [10].
The Paper House is a shelter made out of paper fibre, water and a kind of binding agent which can be used in a variety of structures.