The new structure and the county, Hebei Province China Pile Driving Machinery Factory, factory has 30 years, the company developed and produced a series of Piling Machinery total of 10 series over 30 varieties, mainly KQ series of submersible Drilling Rig, KLB walker hydraulic auger drilling rig, DZB multi-rig, CFG series pile driver, car rigs, reverse circulation drill, spiral pile driver, hydraulic walking rig, gravel pumps, drilling and engineering products and related accessories (pipe, drill pipe, drill pipe, drill bit, seal apron);.

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The new structure and the county, Hebei Province China Pile Driving Machinery Factory, factory has 30 years, the company developed and produced a series of Piling Machinery total of 10 series over 30 varieties, mainly KQ series of submersible Drilling Rig, KLB walker hydraulic auger drilling rig, DZB multi-rig, CFG series pile driver, car rigs, reverse circulation drill, spiral pile driver, hydraulic walking rig, gravel pumps, drilling and engineering products and related accessories (pipe, drill pipe, drill pipe, drill bit, seal apron);.

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The paper also analyses the status quo of milkmen and puts forward the estimation index and administration measures by the application of AHP to guide the recruitment of the relevant companies.

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Any size of MUX could be used in various design blocks. Usually, an n-to-1 MUX is decomposed as an equivalent tree of 2-to-1 MUXes.

不同大小的多工器在不同的設計里都可使用到，因此通常多對1多工器會被拆解為用2對1多工器組成的樹狀實現(xiàn)国产专区一。

Water inside vacuum heat- collection tubes; since the hot medium inside vacuum tubes floats up and cold one goes down due to respective specific gravity, hot and cold mediums convections up and down to cause the heat conduction, furthermore transfer the heat to the related working medium in the heat tubes, the working medium sorbs the potential heat and becomes steam to rise up to the condensing section from the tube heat evaporating section; it emits the heat in condensing section to change again into liquid working medium; it flows back to evaporating section under the gravity action, the emitted heat is transferred into the water inside water tank or tube group by means of the heat-conduction through heat tubes condensing section; it makes the cold water in water tank into hot water in the repeated way.

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In addition, isozymes changes of SOD and POD were observed in groups treated with laser after seeds being soaked for 24 h and when embryonic buds emerged, while no change was observed in the group treated at the one-leaf stage.

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In this model, the velocity was controlled below50 m /s so that it is easy that the temperature of outlet propellant exceeds 1000K. By the measure of advancing the melting point of metal panel to 3000K, the temperature of outlet propellant even could be close to the very high temperature of the metal panel. It is very active to improve the capability of the whole propulsion system.

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The main fi ndings were i copper was strongly bound to organic layer and seemed to be the main pollutant in the ecosystem while zinc was the most mobile element and did not accumulate to any specifi c part of the ecosystem, ii the forest mosses and epiphytic lichens were the most sensitive plant species and the seedlings of the vascular plants that had survived near the smelter were absent, iii there was a highly resistant soil decomposer community near the smelter although the activity of the soil animals and microbiota was low and their community structure altered, iv many insect species also suffered from pollution although the adverse effects caused by forest pests increased with pollutant load, v the low survival rate and breeding success of hole-nesting passerines near the smelter was caused by habitat changes and the quality of food, vi the adverse effects seem to be to some extent reversible after decreased pollutant load or remediation actions.

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