This paper researches the interior law of the soil erosion of mountainous forestry road surface by means of stake and erosion ditch survey. The relationship among soil erosion and time, length and degree of slope.
Taking the integral bedding construction of the Wushaoling Super-Long Tunnel as an example,this paper introduces the construction quality control for integral bedding with 'casing' elastic rest pad through 8 construction procedures such as rest pad,track panel,stake setting-out,base foundation treatment,steel mesh,formwork,expansion joint and bedding concrete,etc.
The man-made soil erosion modulus for the four typical exploitation construction project in one rainfall year were monitored through the standard stake method,the soil erosion modulus monitored can provide reference in composing soil and water conservation scheme for units which have qualification in composing soil and water conservation scheme. This will enhance actually the quality of the composed soil and water conservation scheme.
This paper, based on investigations and analyses of the damage characteristics of the casings in the west of South Block 2 of Daqing oil field, studies the relation between the deformation and the pressure of the formation by staking out 15 measuring points and monitoring the 3D deformations in the earth.
From several aspects,the paper discussed the treatment of pile foundation limestone cave,and proposed main point of quality control in the construction.
The typical inhibitors such as Cu~ 2+ which inhibited Fe-S center, Stigmatellin which was methyl-naphthoquinone model, Dicumarol which inhibited oxidized methyl-naphthoquinone transform to reduced one, Metyrapone which was specific inhibitor for P450 enzyme blocked the humus respiration seriously.
By forcing him to come to grips with his environment, with his livelihood at stake, it confronts him with the actuality of his personal capacity-to exercise judgment, to carry responsibility, to achieve concrete and specific results.
However, the question is whether this is simply a matter of unwillingness or if the paradigm of state order has become so blurred that there is more at stake than 'only' restructuring a federal system.
The story of David on the Mount of Olives is used as an example of the theological world at stake in the Bible's virtual history; particularly in regard to the motif of Yahweh as 'the lord of history'.
Upon closer inspection, larger issues are at stake: Who may speak out in public and participate in politics? This new turn in the discussions is related to the emergence of a public sphere.
The method,measuring data,results and discussion on algorithm research of vegetative factor for undisturbed areas is introduced.According to measuring data of the annual soil loss and its pa- rameter by means of marked piles,formula of vegetative foctor has been created.It can be used more conveniently on remote sensing monitoring soil loss in comparison with looking for USLE's C— value table.The C formula is Shown that relation between C value and vegetative cover c is inverse ratio,and change range of C v...
基于标桩法实测到国内较大量的土壤年流失量及有关参数资料,建立了山丘植被区较为可靠的植被因子算式。它比 USLE 查表法定C值较便于应用在土壤流失量的遥感监测中。按照植被因子算式,C 值与植被覆盖度成反比,且其变化范围随植被覆盖度大于78.8%或76.1%～0%而变为0～0.45。经与反算 C 值和实测流失量验证,应用植被因子算式监测流失量的精度平均为77.4%或82.1%,多数在80%以上。
This paper, based on investigations and analyses of the damage characteristics of the casings in the west of South Block 2 of Daqing oil field, studies the relation between the deformation and the pressure of the formation by staking out 15 measuring points and monitoring the 3D deformations in the earth. According to the actual geological parameters, a geological model was established covering 16 km2 and including 10,400 nodes. The 3D displacement field was matched historically and has been computed by dyn...
This paper researches the interior law of the soil erosion of mountainous forestry road surface by means of stake and erosion ditch survey. The relationship among soil erosion and time, length and degree of slope.
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