The heat transfer mathematic model for solar marsh gas pit was set up based on the test results. It is shown that the good agreement between the numerical solutions and experiment data.
同时建立该沼气池的传热数字模型，获得了模型的数值解，实验结果和计算结果相互校验，最后整理得出了池温的分布规律。
So when a quasar goes dormant, what's left are the things we associate with a normal galaxy — stars and gas swirling around a central and hidden pit of matter.
因此当一个类星体趋于休眠，留下来的就是我们通常和一个正常的星系联系起来的东西——星星和气体，他们围绕着一个隐藏着物质的大洞形成一个漩涡。
Greenhouse gas emissions of tar sands crude are 40% higher than conventional oil, and the open-pit mining has devastated Alberta's boreal forest.
焦油砂的温室气体排放量比普通石油高40%，露天采矿已经极大地破坏了阿尔伯塔的北方气候带森林。
The room and the room next to each ball pit village, under the eaves of the hearts of each other sometimes struggle with each other sometimes help busy, have teeth touch, quarrel, and gas.
球坑村的屋子与屋子相互挨着，屋檐下的人心有时互相较着劲，有时互相帮着忙，有嗑碰，有争吵，又有和气。
The computer simulation of fluid flow in pit furnace when large sized gears gas carburized has been done using the theory of hydrokinetics.
利用流体动力学的基本原理用计算机模拟了大尺寸齿轮在井式渗碳炉内进行气体渗碳时的流场分布。
This system has higher con-trolling precision and reliability, and is suitable for the control of gas, carburizing of the one or multiple pit furnaces.
该系统具有较高的控制精度和可靠性，适用于单台或多台井式炉气体渗碳的控制。
Making pit geology work well is the basic security of realizing coal mine safety. It's very important to prevent from main calamities such as water fire gas and roof.
搞好矿井地质工作，是实现煤矿安全生产的基本保障，对预防水、火、瓦斯、顶板等主要灾害有着极为重要的意义。
Have you ever had to make an emergency pit stop at a gas station to use the bathroom?
你是否曾紧急停车在加油站去上厕所？
This article describes the obvious advantages of synthetic gas or methane production by water coal slurry gasification through pit mouth gasification rather than single unit chemical plant.
论述水煤浆气化制合成气或甲烷时，用坑口气化取代单项化工装置前气化，具有明显的优越性。
The gas electricity generation, pressure-rise, incorporation equipment necessary, can display the power set fully the characteristic, meets the mine pit power supply network safety work requirement.
瓦斯发电、升压、并网的设备配套，能充分发挥发电机组的特点，符合矿井供电网络的安全技术要求。
A large amount of dust and harmful gas are produced in the open - pit mining process, which can affect a large area and cause serious consequences.
露天矿开采过程产生大量粉尘和有毒有害气体，影响范围广，造成严重后果。
The State Administration of Work Safety said the pre-dawn gas explosion happened at Xinhua No 4 pit in Pingdingshan city.
国家安全生产监督管理局说黎明前的瓦斯爆炸发生在平顶山市的新华4号煤井。
If bubbles of hydrogen gas adhere to the cathode surface, plating is prevented around the bubble and a pit in the coating results.
如果氢气泡粘附到阴极表面上，气泡周围的镀覆就会停止，于是形成一个麻点。
Correlative problems on engine exhaust gas of self-dumping truck at open pit are analyzed. And technical measure for treating exhaust gas is put forward.
分析了露天矿自卸汽车柴油发动机废气排放的相关问题，提出废气处理的技术措施。
Slurry pit, toxic GAS, no entry.
泥浆贮备点，当心有毒气体，请勿入内。
Whether in an individual coal pit, oil, or gas field, a nation or the planet as a whole, fossil fuel reserves and production tend to follow a bell curve over time.
无论是在个别的煤矿、石油或天然气场、一个国家或整个地球，矿物燃料储量和生产随著时间的推移，往往遵循钟形曲线。
Whether in an individual coal pit, oil, or gas field, a nation or the planet as a whole, fossil fuel reserves and production tend to follow a bell curve over time.
无论是在个别的煤矿、石油或天然气场、一个国家或整个地球，矿物燃料储量和生产随著时间的推移，往往遵循钟形曲线。
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