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38results about How to "Prevent splitting" patented technology

Power box protection apparatus

The invention relates to a protection apparatus, particularly to a power box protection apparatus and aims to provide the power box protection apparatus which can place electric power parts as well as can perform temperature control to the exterior of power box to further prevent influence to use of the electric power parts caused by overhigh or over low temperatures by solving technical problems. For solving the technical problems, the invention provides the power box protection apparatus; the power box protection apparatus comprises a bottom plate, sleeves and the like; the sleeves are symmetrically mounted on the left and right sides of the top of the bottom plate; a movable rod is arranged in each sleeve; the power box is mounted between the top ends of the left and right movable rods; and springs are connected between the bottom of the power box and the top parts of the sleeves. By virtue of a pushing apparatus, the power box can be elevated, so that damage of the electric power parts caused by contact between the power box and water can be further prevented; and in addition, the provided power box protection apparatus can place the electric power parts as well as can perform temperature control to the exterior of power box to further prevent influence to use of the electric power parts caused by overhigh or over low temperatures.
Owner:王静娴

Raw building bamboo and combined raw bamboo

InactiveCN102086675AHigh strengthPrevent from being easily crushedLoad-supporting elementsSolid woodUltimate tensile strength
The embodiment of the invention discloses a raw building bamboo which comprises a raw bamboo body, a metal connection rod arranged in the raw bamboo body, and cement mortar or polyurethanes filled into the raw bamboo body. In the raw building bamboo provided by the invention, the inside of the raw bamboo body (the existing raw bamboo) is provided with the metal connection rod, and the inside of the raw bamboo body is filled with the cement mortar or polyurethanes, after the cement mortar or polyurethanes are solidified, each bamboo joint of the raw bamboo body is filled with the cement mortar or polyurethanes, so that the raw bamboo is similar to solid wood, thereby preventing the occurrence of phenomenon that because the strength of the existing raw bamboo is insufficient in the process of application, under the external high strength and pressure, the raw bamboo is easy to squash and then splits off along the direction of a radial bamboo stem. The raw building bamboo provided by the invention improves the strength of the raw bamboo, realizes the application of the raw bamboo in the construction of large-span and high-strength buildings, and improves the application scope of the raw bamboo in buildings. The embodiment of the invention also provides a combined raw bamboo.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1

Rural-harmful-liana integrated control method

The invention provides a rural-harmful-liana integrated control method. The rural-harmful-liana integrated control method includes the steps of chemical controlling, wherein a chemical prepared from acomposition of picloram, 2,4-dichlorophenoxyacetic acid, bentazone and sulfometuron-methyl is sprayed onto vines and stems of rural harmful liana according to the applying quantity of 3,000 ml hm<-2>to 5,000 ml hm<-2>, and the leaf withered rate of the rural harmful liana is up to 50% or above; clearing, wherein the rural harmful liana obtained after chemical controlling is cleared to remove thevines and the stems of the rural harmful liana on the ground; ecological controlling, wherein mixed planting of quick-growing species of trees is conducted in a cleared region according to the plantspacing and the line spacing of 1.0 m to 2.0 m*1.5 m to 3.0 m, the trees are cultured for 1 year to 2 years, and growth and spreading of the rural harmful liana are gradually controlled. According tothe rural-harmful-liana integrated control method, the dose of the applied chemical is low, soil pollution is small, the rural harmful liana causing large-area harm can be efficiently killed, a laterecological system of a killing region can be maintained to be stable, and the ecological safety performance is high.
Owner:深圳中绿环境集团有限公司

Wet composting method for livestock and poultry dung and waste meat rare-earth selenium-enriched composite organic fertilizer

The invention discloses a wet composting method for a livestock and poultry dung and waste meat rare-earth selenium-enriched composite organic fertilizer. The wet composting method comprises the following five process steps: making an organic fertilizer wet composting formula, preparing raw materials, processing raw materials, performing organic fertilizer wet composting, and airing and packaging the organic fertilizer. The made organic fertilizer wet composting formula comprises 150kg/mu of livestock and poultry dung, 50kg/mu of waste meat, 200g/mu of agricultural rare earth, 20g/mu of agricultural selenium fertilizer and 1kg/mu of culture; preparing the raw materials; calculating the purchased amount of the livestock and poultry dung, waste meat, agricultural rare earth, agricultural selenium fertilizer and culture according to the formula ratio; performing raw material processing, namely grinding the livestock and poultry dung by using a screen grinder with the particle size of 0.5cm for later use; adding waste meat dices into a sealed boiling water pot for sterilizing, disinfecting and cooking, pulping into fine meat pulp, and adding water to be diluted for later use; performing organic fertilizer wet composting, namely filling mixed raw materials into a fermentation chamber in a layered manner (with a patent number of 201620301801.6), enabling the thickness of each layer to be 30-40cm, regulating a temperature controller to perform rapid fermentation at a high temperature of 70 DEG C and a low temperature of 60 DEG C, thereby completing the operations within 7-10 days after fermentation.
Owner:冯敏杰

High-strength reinforcing steel bar with spiral fins and processing method of high-strength reinforcing steel bar

The invention relates to a reinforcing steel bar and a processing method thereof, in particular to a high-strength reinforcing steel bar with spiral fins and a processing method of the high-strength reinforcing steel bar. The high-strength reinforcing steel bar consists of following components including, in weight percentage, from 0.25 to 0.4% of C, from 0.1 to 0.2% of Si, from 0.3 to 0.45% of Mn, from 0.04 to 0.05% of Nb, from 0.08 to 0.09% of Cr, from 0.01 to 0.04% of V, from 0.002 to 0.003% of B, from 0.001 to 0.003% of Mo, from 0.015 to 0.03 of Al, from 0.002 to 0.003% of S, from 0.008 to0.009% of Ti, from 0.004 to 0.005% of Ni, from 3 to 5% of composite rear earth and the balance Fe. The processing method includes using a roll to roll a reinforcing steel bar into a reinforcing steelbar with the continuous spiral fins on the surface in a hot state; feeding the reinforcing steel bar with the continuous spiral fins on the surface after hot rolling into a heating furnace and heating the reinforcing steel bar to the temperature of 880-990 DEG C; then fast cooling the reinforcing steel bar to the temperature of 650-680 DEG C by an online cooling device via compressed air or vaporous quenching liquid; quenching in a quenching device by water or quenching liquid for 15-25 seconds; and tempering after heating the reinforcing steel bar to the temperature of 500-550 DEG C via a tempering heating furnace. The high-strength reinforcing steel bar with the spiral fins has a good anchoring property, fine ductility and a high yielding-to-tensile ratio.
Owner:TIANSHUN GROUP +2
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