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relaxation depth
相关语句
  松弛深度
     It is shown that the relaxation depth of rock mass at the slope is varied because of the different controlling factors.
     进一步的分析表明:因控制性因素差异,边坡岩体松弛深度不同。
短句来源
     The principle of borehole elasticity modulus measurement and results are presented,and the unloading relaxation depth is estimated. The depth is compared with that obtained by single-hole sonic velocity monitoring.
     扼要介绍了钻孔弹模测试原理及测试结果,估计了卸荷松弛深度,并与单孔声波监测结果进行了对比分析。
短句来源
  “relaxation depth”译为未确定词的双语例句
     (3) The model predicted erosion rates were positively related to both the plow depth d and relaxation depth H, but inversely related to both γ and the particle size correction factor P. moreover, the model was more sensitive to d and p than to H and γ.
     (3)模型预测的侵蚀速率与耕层质量深度(d)、张驰深度(H)正相关,而与137Cs年沉降易被迁移的比例(γ)和颗粒校正因子(P)反相关。 并且,模型对参数d、p的敏感性分别高于参数H和γ。
短句来源
     Results:All of the patients were quiet during the operations and the relaxation depth of abdominal muscle was good.
     结果:两组患儿术中安静、麻醉满意、肌松良好。
短句来源
     Borehole elasticity modulus measurements were conducted in five holes drilled from the excavated rock foundation surface of Xiaowan Hydropower Station's arch dam,situated on Lancang River,in order to evaluate the unloading relaxation depth due to excavation blasting.
     在澜沧江小湾水电站拱坝建基面进行了5个钻孔的基岩钻孔弹模测试,以评价开挖爆破对岩体的松弛效应与卸荷深度。
短句来源
  相似匹配句对
     On relaxation of Singing
     歌唱的放松
短句来源
     The Depth of Toleration
     宽容的深度
短句来源
     The influence of depth of
     经反复考察整机,并研究模板压缩孔深度的影响。
短句来源
     P-SYSTEMS WITH RELAXATION
     具张弛的P-系统
短句来源
     It is shown that the relaxation depth of rock mass at the slope is varied because of the different controlling factors.
     进一步的分析表明:因控制性因素差异,边坡岩体松弛深度不同。
短句来源
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  relaxation depth
These equations describe a phenomenon similar to the branch imbalance (or charge imbalance) in superconductors, and determine the relaxation depth of the pressure gradient in superfluid helium-3.
      
Based on the exponential depth distribution of radionuclides, the values of their migration parameters as relaxation depth, migration rate and retardation factor were calculated.
      
Relaxation depth ranged from 0.9 cm in the polar climate environment up to 20 cm in the temperate one.
      


The sonic wave measuring results of high rock slope at the boatlift and temporary shiplock of Three Gorges Project are presented. It is shown that the relaxation depth of rock mass at the slope is varied because of the different controlling factors. The relaxation can be classified as surface relaxation, shallow relaxation and deep relaxation. The average depths are 0.30.5m, 2.03.0m and above 5.0m for the three kinds of relaxation.

介绍了三峡升船机及临时船闸高边坡岩体声波测试结果。进一步的分析表明:因控制性因素差异,边坡岩体松弛深度不同。据此可分为表层松弛、浅层松弛和深层松弛,对应的深度期望值分别为0.3~0.5m,2.0~3.0m和5.0m以上

Measuring the ~ ~137 Cs reference inventory in study area accurately and establishing quantitative models for converting ~~ ~137 Cs measurements to estimates of soil redistribution rates are two key questions. The spatial variation of erosion and deposition of Black Soils on a sloping cropland in Northeast China was studied using ~ ~137 Cs tracer technique. In filed, three transects perpendicular to the contour were set and five slope units for each transect were located, including a summit, shoulder-slope,...

Measuring the ~ ~137 Cs reference inventory in study area accurately and establishing quantitative models for converting ~~ ~137 Cs measurements to estimates of soil redistribution rates are two key questions. The spatial variation of erosion and deposition of Black Soils on a sloping cropland in Northeast China was studied using ~ ~137 Cs tracer technique. In filed, three transects perpendicular to the contour were set and five slope units for each transect were located, including a summit, shoulder-slope, back-slope, foot-slope and toe-slope, respectively. Field measurements and model simulating were used to estimate Bomb-derived ~ ~137 Cs reference inventory in study area. The rates of soil erosion and deposition were estimated using the mass balance model incorporating soil movement by tillage. In order to compare the sensitive of parameters, we discussed the relationships between percentage loss in ~ ~137 Cs inventory and erosion rate by the mass balance model for different values of various parameters. The results showed that: (1) the surveying value (2376.81±108.46Bq/m2) was very close to the predicted one(2318.4 Bq/m2) by the model for estimating bomb-derived ~ ~137 cs reference inventories; For the areas far away from nuclear proving ground of the Northwest China, the predicted conclusions were more reasonable. (2) The ~ ~137 Cs inventories in shoulder-slope and back-slope were the lowest among five geomorphic positions and soil suffer erosion seriously with the rate of erosion of 33.56t/(hm2·a) and 21.67t/(hm2·a); Foot-slope and toe-slope behaved soil deposition obviously and the rate of deposition were-4.93t/(hm2·a) and-24.61t/(hm2·a), respectively. (3) The model predicted erosion rates were positively related to both the plow depth d and relaxation depth H, but inversely related to both γ and the particle size correction factor P. moreover, the model was more sensitive to d and p than to H and γ.

准确地测定研究区137Cs背景值,建立137Cs流失量与土壤再分布速率之间的定量模型是137Cs示踪技术的关键。通过野外选择参照样地和利用热核爆炸源137Cs背景值模型来确定研究区137Cs的背景值,在此基础上用体现耕作迁移的质量平衡模型估算黑土坡耕地不同地貌部位的土壤再分布速率,并对主要参数进行敏感性分析。结果表明(1)研究区实测的137Cs背景值为2376.81±108.46Bq/m2,模型预测值为2318.4Bq/m2,模型预测远离西北核试验基地的地区较为准确。(2)研究区中坡位(坡肩和坡背)137Cs含量最低,侵蚀最为强烈,平均侵蚀速率为33.56t/(hm2·a)和21.67t/(hm2·a);坡麓和坡足则明显表现沉积,平均沉积速率为-4.93t/(hm2·a)和-24.61t/(hm2·a)。(3)模型预测的侵蚀速率与耕层质量深度(d)、张驰深度(H)正相关,而与137Cs年沉降易被迁移的比例(γ)和颗粒校正因子(P)反相关。并且,模型对参数d、p的敏感性分别高于参数H和γ。

Objective:To study the feasibility,safety and practicability of epidural anesthesia in children's lower abdominal surgery by laparoscope.Methods:sixty cases(4-10 years old,ASAⅠ-Ⅱ)received appendectomy or the inner ring ligation of the hernia by laparoscope were randomly divided into two groups.Group A:30 cases,received ketamine and midazolam intravenons anaesthesia with endotracheal intubation.Group B:30 cases,taken continuous epidural anesthesia after basal anesthesia with assistant respiration by mask and...

Objective:To study the feasibility,safety and practicability of epidural anesthesia in children's lower abdominal surgery by laparoscope.Methods:sixty cases(4-10 years old,ASAⅠ-Ⅱ)received appendectomy or the inner ring ligation of the hernia by laparoscope were randomly divided into two groups.Group A:30 cases,received ketamine and midazolam intravenons anaesthesia with endotracheal intubation.Group B:30 cases,taken continuous epidural anesthesia after basal anesthesia with assistant respiration by mask and supply of oxygen.The parameters of HR、SBP、DBP、SpO_2、P_(ET)CO_2 were monitored continuously during the operations.Results:All of the patients were quiet during the operations and the relaxation depth of abdominal muscle was good.The effect of anaesthesia was satisfactory.The parameters of HR、SBP、DBP、P_(ET)CO_2 increased a little after establishing pneumoperitoneum(P<0.05),with no significant differences between the two groups.which returned to normal level in 10 minutes after deflation.The SpO_2 was in the range from 98% to 100%.The average recovery time of the group A was longer than group B(P<0.05).Conclusions:Continuous epidural anesthesia is a feasible and effective method in some children's short time lower abdominal surgery by laparoscope.It has satisfactory effect,little influence on breath and circulation,and short recovery time after operation.

目的:探讨硬膜外麻醉用于小儿腹腔镜下腹部手术的可行性、安全性和实用性。方法:选择4~10岁ASAⅠ~Ⅱ级腹腔镜下行阑尾切除、疝囊腹壁内环口高位结扎术患儿60例,随机分为两组。A组30例,常规气管插管氯胺酮复合咪唑安定静脉全麻。B组30例,基础麻醉后行连续硬膜外麻醉,常规紧闭面罩给氧、辅助呼吸;术中连续监测HR、SBP、DBP、SpO2、PETCO2。结果:两组患儿术中安静、麻醉满意、肌松良好。气腹后HR、SBP、DBP、PETCO2均高于气腹前(P<0.05),但尚在正常范围,组间比较无明显差异(P>0.05),放气后10m in上述参数恢复至气腹前水平。两组SpO2为98%~100%,无差异。苏醒时间A组明显长于B组(P<0.05)。结论:连续硬膜外麻醉用于手术时间较短的腹腔镜小儿下腹部手术效果确切,对呼吸循环的影响轻,术毕苏醒快,是可行的麻醉方法。

 
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