Magnetotactic bacteria may play a significant role in biogeochemical cycles, especially in iron cycle.
它们在生物地球化学循环中起着重要的作用。
Washables can have a lower carbon footprint, but only if you have an energy-efficient washing machine, use a 60-degree wash cycle, limit yourself to 24 nappies, and don't tumble dry or iron them.
只有在你有一个高能效的洗衣机，使用60度洗衣周期，限制在24片尿布以内，不要甩水和熨干的情况下，可洗尿布的碳足迹才会相对比较低。
Hard assets such as iron ore and copper mines - which tend to perform in line with the commodities cycle - require less from management to make a deal work.
象铁矿和铜矿之类的“硬资产”的操作与商品的周期趋于一致，在使交易运行的管理上要求更低一些。
Hard assets such as iron ore and copper mines which tend to perform in line with the commodities cycle — require less from management to make a deal work.
铁矿石和铜矿等硬资产在收购后的运营上对管理层的要求较少。这类硬资产的表现往往符合大宗商品周期。
The rusty iron chain that double-locked the cart to the front wheels of the cycle began to squeal as he rode.
三轮车前面轮胎上双重锁上的铁链生了锈，在骑动的时候发出刺耳的声音。
Easy installation, a short work cycle only traditional galvanized iron sheets duct 1 / 5, the scene changes very convenient.
安装便捷，施工周期短只有传统镀锌铁皮风管的1/5，现场改动很方便。
Characteristics and situation of cycle economic of coal, oil and iron at present are analyzed, problems exiting in methanol production by coke oven gas are pointed out.
分析了现阶段煤、油、铁循环经济的特点和状况，指出了用焦炉煤气生产甲醇存在的问题。
Gas turbine combined cycle generation technology is a effective way to utilize the surplus blast furnace gas of iron and steel plants.
燃气轮机联合循环发电技术是利用钢铁厂剩余高炉煤气的有效途径。
The discuss on the use of on-line oxygen analysis and monitoring system in 50MW power plant gas-steam combined cycle generating unit of Chongqing Iron & Steel Co.
通过传统和激光氧含量的原理、组成、测量方式、测量结果及维护使用情况的比较，介绍了激光氧含量在50MW燃气蒸汽联合循环发电机组电捕焦上的使用的情况。
To save energy, reduce burning loss, and shorten manufacturing cycle, foreign iron and steel corporations focus on the integrated planning and scheduling of them.
为了节省能源、减少烧损、缩短生产周期，国外钢铁企业十分关注它们的一体化管理。
Using the finite element method, a mathematical model of temperature field for weld-repaired zone of white cast iron is constructed, and temperature field and heat cycle are analyzed.
应用有限元方法建立了白口铸铁焊接接头焊补温度场的数学模型，对白口铸铁焊补温度场和热循环进行了分析。
The desui-furizing and the regeneration of iron oxide form a catalyst cycle. In it the active component plays the role as catalyst and oxygen carrier.
在这一循环中，随着氧化铁的硫化和氧化还原，活性组分充当了催化剂及载氧体的作用。
This paper deals with the effect of ageing temperature and time on the structures and properties of nonmagnetic cast iron. The optimum heat treating cycle to guide production has been obtained.
探讨了时效温度及时效时间对无磁铸铁组织和性能的影响，获得了对生产具有指导意义的工艺能数。
Formation damage caused by secondary precipitation of ferric ion is a potential problem in acidizing and excessive iron level would bring a series of chain reaction and vicious cycle.
在酸化作业中，铁离子的二次沉淀所造成的地层伤害是一个潜在问题，铁含量过高会出现一系列连锁反应和恶性循环。
Optimum ductility is obtained with a ferritic matrix, so all NIBCO ductile iron is treated with a ferritizing annealing cycle.
由于最佳的韧性都是来自铁素基体，所以所有美国尼伯科球墨铸铁都经过铁素体退火韧化过程处理。 收藏。
The close relation of origin is shown between the iron-formation and the sedimentary cycle in time, space and compositional source.
含铁建造与沉积旋回在时空和物源上存在着密切的成因联系。
The results show that the fatigue damage variable of pearlite ductile cast iron as a function of fatigue cycle varies according to the index law.
结果表明：球墨铸铁的疲劳损伤变量随疲劳周数呈指数规律变化；
The results show that the fatigue damage variable of pearlite ductile cast iron as a function of fatigue cycle varies according to the index law.
结果表明：球墨铸铁的疲劳损伤变量随疲劳周数呈指数规律变化；
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