And of course, there is cow flatulence: as cattle digest grass or grain, they produce methane gas, of which they expel up to 200 L a day.
当然还有牛的肠胃气涨：当牛消化草或谷物时，每天产生超过200升的甲烷气体。
L Glowing nebulae are named because they give off a dim, red light, as the hydrogen gas in them is heated by radiation from nearby stars.
l有一种星云叫亮星云，它们发出暗淡的红光，这种红光是因为构成星云的氢气受到附近星体的射线激发而发出的光线。
E Lin. J M Ling. C L Huang An expert system systems for transformer fault diagnosis using dissolved gas analysis.
孙才新。郭俊峰。廖瑞金变压器油中溶解气体分析中的模糊模式多层聚类故障诊断方法的研究。
Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.
方法用石油醚提取脂肪油并甲酯化，采用毛细管气相色谱-质谱联用技术对其进行分析鉴定。
This technique can be popularized in production of gas generator shell with different volume, such as 20, 30, 60, 80 l, which will have a wide market and better economical.
通过批量生产，该工艺可在20,30,60,80L等不同容量气体发生器壳体生产中推广，有相当大的市场前景及经济效益。
The 12 of low polar components of Anabasis Aphylla L. were separated and identified by gas chromatography-mass spectrometry. They are naphthalene and azulene species.
采用气相色谱-质谱测定无叶假木贼低极性化学成分，分离鉴定了12个化合物，它们是萘类与类化合物。
Further, an apparatus (20) for powering a gas discharge lamp (l) is described.
此外，描述了一种用于向气体放电灯(L)供电的装置(20)。
A method is described for driving a lamp (l), specifically but not necessarily a gas discharge lamp.
描述了一种用于驱动灯(L)的方法，该灯特别地但非必须地为气体放电灯。
Pressure intensity and volume of non-ideal gas are revised and its thermodynamic character is discussed by studying the potential energy of L-J.
并从简化的L - J位势出发对非理想气体的压强、体积的修正及其热力学性质进行了讨论。
Taking the bus company LNG/L-CNG filling station project as an example, the paper discusses the design ideas and key points of natural gas filling station on the general layout design.
文章以某公交公司的LNG/L-CNG加气站工程为例子，介绍天然气加气站在总图布置等方面的设计思路和要点。
DEM (Discrete Element Method) is used to simulate the gas-solid flow of a two-dimension fluidized bed with L-type wind caps in this paper.
该文采用离散元素法DEM模型对二维L型定向风帽流化床中的气-固流动特性进行模拟。
L. Crocco. One-Dimensional Treatment of Steady Gas Dynamics.
克罗柯。定常气体动力学的一维处理法。
A new biosensor for L-alanine was designed, using cactus tissue as biocatalytic material and potentiometric carbon dioxide gas sensing electrode as basic electrode.
选择仙人球组织作为生物催化材料，同二氧化碳电极组合，研制成了L-丙氨酸生物组织传感器。
We determined L-lysine with chicken tissue based electrode, which employed chicken kidney slice as the source of L-lysine oxidase and an oxygen gas sensitive electrode as the base electrode.
本文首次使用鸡肾组织切片作为L -赖氨酸氧化酶的来源并与氧电极偶合制作成测定l -赖氨酸的组织电极。
We determined L-lysine with chicken tissue based electrode, which employed chicken kidney slice as the source of L-lysine oxidase and an oxygen gas sensitive electrode as the base electrode.
本文首次使用鸡肾组织切片作为L -赖氨酸氧化酶的来源并与氧电极偶合制作成测定l -赖氨酸的组织电极。
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