The reasonable layer selection is the main influencing factors for gas drainage by high level borehole, the borehole parameters is based on the caving & fracture zone height of gob.
高位钻孔抽放最主要的影响因素是合理层位选择，其钻孔参数应根据采空区冒落带及裂隙带高度来设计。
This is the first time we are cleaning at that height, in the death zone.
曾七次登上世界最高峰的纳姆格亚尔 夏尔巴说：“这是我们第一次在死亡区这么高的地带清理垃圾，难度很大，也很危险。”
Located in the zone of subtropical monsoon climate, the temperature drops sharply due to great height of the mountain and immense depth of the valleys.
黄山处于亚热带季风气候区内，由于山高谷深，气候呈垂直变化。
Based on the fractal characteristic of concrete material, the relation between fracture toughness and height of crack zone is analyzed.
根据混凝土材料裂纹的分形特性，分析了混凝土的断裂韧度与裂纹带高度之间的变化关系。
A convenient and practical formula used to estimate the height water flowing fractured zone has been provided for underwater mining.
为煤矿进行水体下采煤提供了一种既方便又实用的预计顶板导水裂缝带高度公式。
The calculation of height of mass transfer zone and total mass transfer coefficient of adsorption column provides a basis for the design of size-enlarged plant.
文章计算了吸附柱的传质区高度和总传质系数，为放大设计奠定了基础。
By the roadbed height proposed and the analysis of wind velocity flow field, the active sand dune zone should be kept between 1.
按风速流场分析所建议的路基高度为：流动沙丘区路基合理高度宜在1。
And the height of water flowing fractured zone in overburden strata is calculated by the empirical formula and is measured with a simple hydrological observation method according to drilling on spot.
用经验公式对覆岩导水裂隙带高度进行了计算，采用简易水文观测法对覆岩导水裂隙带高度进行了测定。
Theoretical analysis shows that coal pillars plastic zone width not only with mining depth, mining height, but with the recovery rate.
理论分析表明，煤柱塑性区宽度不仅与采深、采厚有关，而且也同采出率有关。
One of the challenges in this project was to create a transition between the existing solid corporate building and the lower in height residential zone towards the showroom.
该项目面临的挑战之一，是创建现状实体办公建筑与较低的住宅区之间的过渡空间。
Adsorption model for TP mass transfer with XDA-1 resins was set up and the height of mass transfer zone and total mass transfer coefficient in different operation conditions were calculated.
建立了XDA - 1树脂柱吸附茶多酚过程的传质模型，并根据该模型分别计算了不同操作条件下相应的物质总传质系数及传质区长度。
During the fully mechanized top coal caving mining under the water bodies, the given calculation formula could be applied to calculate the Max height of the water conducted fractured zone.
在进行水体下综采放顶煤开采时，可利用给出的计算公式进行导水裂缝带最大高度的计算。
The results show that the output of PSF is not increased monotonously with the increase of roasting zone′s width and preheating-roasting zone′s height.
研究表明，竖炉产量并非随焙烧带宽度和火口中心线上料层高度的增加而一味增加，焙烧带宽度和火口中心线上料层高度均存在最佳值；
This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
Adopting survey technology of double-head water-stopped machine flowing high of upward-inclined drillhole rock destruction rules were surveyed, development height of water conducted zone was gained.
采用井下仰斜钻孔双端堵水器导高观测技术对白庄煤矿综放开采条件下，覆岩破坏规律进行了实测，得出了导水断裂带的发育高度。
The bump which is equal to the local boundary layer thickness in height can divert the boundary layer effectively. As a result, no obvious low total pressure zone is found at the outlet of the inlet;
进气道出口截面上未发现因附面层吸入而造成的低总压区，这说明高度与当地附面层厚度相当的进口鼓包能有效地隔除附面层中能量较低的气流；
Finally, the paper suggests an increase in the present height of the construction zone...
文章最后建议加大现行段高的尺寸，以提高成井速度。
Finally, the paper suggests an increase in the present height of the construction zone in order to increase...
文章最后建议加大现行段高的尺寸，以提高成井速度。
Although the electrodes are installed along the whole blade height, the plasma merely reduces the losses in the region above 10% blade height, and the loss reduction is almost the same in this zone.
虽然电极沿整个叶高方向布置，但等离子体仅对约10%叶高以上的损失影响较为明显，同一电压下该范围内各叶高处的损失减小量也基本相同。
Discusses several representative equations of point source plume. Establishes calculating equations of thermal stratification height, ventilation rate and neutral level based on a two-zone model.
讨论了几个典型的羽流流量计算公式，结合一种二区自然通风模型，建立了热分层高度、通风量和中和界高度的计算式。
The results showed that the allelopathic effects of extracts from Root-zone soil of Panax notoginseng on root length, seedling height, and fresh weight and NR activity of notoginseng were different.
为了探讨三七根区土壤提取物对三七幼苗的化感作用，以不同极性三七根区土壤提取物对三七幼苗进行生物测定。
This paper analyzes the influence of wave raising height on slope in reservoir region by plant zone in front of embankment, pavement structure and common raising height formula.
分析了堤前植物带、护面结构和常用爬高公式对库区波浪爬高的影响，结果表明，堤前种植植物带和增大护面结构空隙率能有效地减小波浪爬高。
This paper analyzes the influence of wave raising height on slope in reservoir region by plant zone in front of embankment, pavement structure and common raising height formula.
分析了堤前植物带、护面结构和常用爬高公式对库区波浪爬高的影响，结果表明，堤前种植植物带和增大护面结构空隙率能有效地减小波浪爬高。
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