西方森林面积的快速增长似乎同其他各地的森林开采速度一样不可阻挡。
The growth of Western forests seems almost as unstoppable as deforestation elsewhere.
能够作出在一定时间内不同开采速度条件下的地表移动变形曲线。
Some graphs of surface movement and distortion can be shown also when working face is advanced with different mining speed in certain time.
除此之外，似乎技术进步只是加快了石油的开采速度并没有增加油井覆盖的石油量。
Besides, many technological improvements seem to have simply speeded up the extraction of oil, rather than increasing the share of each reservoir that can be recovered.
同时，最适耗竭理论也是最佳开采速度、最佳开采路径、最佳开采时间的相互协调和统一。
Meanwhile, the theory of optimal consumption is mutual coordination and unify among optimal exploitation speed, optimal exploitation route and optimal exploitation time.
近年来，随着煤炭开采深度、开采强度、开采速度、开采规模等不断增加，煤炭开采受地下水威胁、危害日趋严重。
In recent years, with the increase of the coal mining depth, intensity, rate and the exploitation scale, coal mining is under the serious threat of groundwater.
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
The challenge, says Duke's Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.
如果开采资源的速度超过了补充的水平，你的储备就会散个干净。
If you extract resources at a rate beyond the level of replenishment, your stock will collapse.
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
The challenge, says Duke’s Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.”
黄金的实用性不大，除了用于储存价值，这与一般商品不同（如石油，它的消费速度和开采和精炼的速度一样快），因此它的供应 /需求时间表有独特的特性。
Gold has little utility except as a store of value, unlike most commodities (like oil, which is consumed as quickly as it's extracted and refined), so its supply/demand schedule has unusual traits.
此外，厚松散层、地表采动程度、工作面推进速度、采煤方法与顶板管理方法、开采程序及时间因素等对采场覆岩空间结构均有一定影响。
Moreover, there are some other influencing factors such as: thick loose bed, surface mining degree, impel speed of working face, coal mining and roof manage methods, mining procedure and time.
但这里也没有什么迹象可以证明这个，不管是生产公司还是国家：所有大出口商，沙特阿拉伯除外，都在以最快速度开采石油。
But there is also little sign of that, either among companies or countries: all big exporters bar Saudi Arabia are pumping as fast as they can.
采砂业也在进一步侵蚀着河岸，而人类的地下水开采导致地面沉降，与此同时，海平面正以每年5毫米的速度上升。
Sand mining further erodes the coast, and ground water drainage to sustain human populations triggers land subsidence even as the sea level rises by around 5mm a year.
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
The challenge, says Duke's Van Dover, "is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival."
措施规划对延长油田增产稳产年限，降低开采成本，提高采油速度和采收率，实现措施优化配置十分必要。
Measures program is necessary for the development of oil field, which can prolong its life, reduce the production cost, improve the speed and rate and realize the optimal program.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.
MNR安装三个不同的开采软件，它们运行系统的处理速度所允许的任何资源。
MNR installs three different mining software that run whatever the system's processing speed allows.
加在一起，我们将看到一个远大于4.5万亿桶的可开采石油量，按照目前的消耗速度，这可以供我们用140多年。
Added together, we are looking at more than 4.5 trillion barrels of potentially recoverable oil and that translates into more than 140 years, of supply at today's current rate of consumption.
它直接影响到矿山开采的速度、生产效率和经济效益。
It directly influences speed, productiveness and benefit of mining.
在矿区铁路下进行放顶煤开采所引起的地表及铁路的变形量大，变形速度快，从而导致矿区铁路维护困难。
The fully mechanized caving coal mining under the railway in mine area will result in difficult maintenance of railway because of great deformation and subsidence speed of terrene and railway.
微波加热技术作用速度快，设备简单，灵活性高，不对储层造成任何污染，适合于开采各类型天然气水合物资源。
Microwave heating technique takes effect quickly, USES simple equipment, is highly flexible and pollution-free to reservoir, and is suitable for recovering various natural gas hydrate resources.
对于衰竭式开采，在制定开发方案时，确定合理采油速度尤为重要。
In the case of development by depletion, it is especially important to determine a reasonable oil recovery rate when establishing reasonable development plan.
并且随着经济速度的不断加快，对地下水资源开采量要求也不断提高。
As the economic speed is creasing, the request of the mining quantity of the underground water resources is creasing too.
具有高效的切割速度，可提高矿山开采率。
With a cutting speed and a high efficiency, the stonecutter can improve the mining ratio of mines.
使用自制的一维天然气水合物开采模拟实验装置，对天然气水合物降压开采进行了物理模拟实验研究，考察了降压幅度、降压速度对开采效果的影响。
The physical simulation experiments of natural gas hydrate(NGH) production by depressurizing in sand-packed porous media were carried out using a new type of apparatus self-designed.
突出煤层卸压后用钻孔瓦斯涌出初速度进行工作面预测和效果检验时经常超过突出临界值，造成开采保护层后煤层突出危险性更大的现象。
The main factors affecting the initial speed are studied and the causes of initial speed from borehole gas emission often exceeding limit theoretically explained.
疏松砂岩气藏在开采过程中容易出砂，采取完全防砂的方式进行开采，既增加了气井的成本，又降低了气藏的开发速度。
Hence, it is proposed to allow an appropriate amount of sand production during recovery of unconsolidated sandstone gas reservoirs.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
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