The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century.
蒸汽的高成本、加上货运对速度的低需求,使得世界上大多数的海运货物都是通过帆船来运输的,直到20世纪初,这一状况才有所改变。
Reduced cost was also instrumental in developing steam-powered rolling mills capable of producing finished iron of various shapes and sizes.
降低的成本也有助于那些能够生产不同形状和尺寸的成品铁制品的蒸汽动力轧钢厂的发展。
As the cost of energy goes down, he said, people would be more likely to use steam turbines more often.
他说,随着能源成本的下降,人们将更广泛更频繁地使用蒸汽涡轮机。
Receipt cost and water and steam average consumption.
配方成本及水和蒸汽平均耗量。
Traditional natural gas steam reforming for synthesis gas takes about 60 % of the total cost in natural gas indirect conversion utilization.
传统的天然气蒸汽重整制合成气在天然气间接转化利用过程中约占总费用的60%左右。
During the process, the pulp sheet department adopts interval cleaning and online cleaning method to increase the pulp sheet dryness, decrease the steam consumption and save the produce cost.
在生产过程中,浆板机压榨部采用停机清洗和在线清洗相结合的方式,以提高湿浆板干度,降低蒸汽用量,节约生产成本。
Through the cost analysis, emphasis condensate water recovery system in steam can save energy, make the great economy value.
通过节能分析和成本核算,说明了在蒸汽系统中冷凝水回收的效益是十分可观的。
The primary energy consumption and the energy cost of the heat pump dryer are compared with those of electrical heating dryer and steam-heating dryer and their economic evaluations are carried out.
本文还对热泵干燥、电加热干燥、蒸汽加热干燥的一次能源消耗和能源费用进行了比较和经济评价。
The Steam-injection Boiler Burning Pulverized Coal Control System has been built using ADAM5510 in order to reduce the fuel cost.
为降低稠油热采燃料成本,利用ADAM5510构建了燃煤注汽锅炉控制系统。
The steam consumption is reduced, the production cost is decreased.
使之降低蒸汽消耗,降低生产成本。
Taking the minimum cost per unit power generation as the objective function, a thermo-economic optimization model for gas and steam combined cycle power generation system is established.
以单位发电量最低成本为目标函数,建立了燃气-蒸汽联合循环发电系统的热经济学优化模型。
The operation condition and technological parameters optimization and adjustment of TC201 air compressor units are introduced. The steam consumption is reduced, the production cost is decreased.
论述了TC 201空气压缩机组性能运行状况和工艺参数优化。使之降低蒸汽消耗,降低生产成本。
The equipment adopts unique oil-water mixture deepfry technology, gas and steam can be used at the same time, steam to preheating, reduce production cost, suit needs low temperature Fried foods.
该设备采用独特的油水混合油炸工艺,燃气和蒸汽可同时使用,蒸汽可预热,降低了生产成本,适合需要低温油炸的食品。
"Hill farmers steam" for each variety can be the preparation, flow of control, accurate to ensure the cost of each, easily outpacing competitors.
“农夫山蒸”每个品种均可前期准备,流程化控制,精确保证每份的成本,轻松超越竞争者。
The reclamation of water and steam can decrease the cost obviously.
水回用和蒸汽的回收降低了成本。
The application of concentration system with multi - effect thermal compression pump could reduce the consumption of the steam and lower the production cost.
采用多效带压泵的浓缩系统,可大大减少加热蒸汽的消耗量,降低生产成本。
Depiction for main cost of energy in nitrochlorobenzene process. Expatiate on the technique and fact effect of integrated steam using.
叙述了硝基氯苯生产的主要能耗,并阐述了蒸汽综合利用的方法和产生的实际效果。
The consumption of power including coal, steam, water and electricity, the design of substation and the equipment maintenance management are factors influencing heat-supply cost.
动力(煤、蒸汽、水、电)消耗、热力站的设计及设备维修管理是影响供热成本的因素。
Nowadays, the domestic heavy oil reservoirs are mainly exploited by steam injection process, but serious challenges come from sand problem, steam breakthrough and high production cost.
目前,我国稠油油藏主要采取注蒸汽等热采方式,但普遍面临着油层出砂、气窜和采油成本高的严峻挑战。
The steam power system ( SPS) should be operated under the optimal scheme to meet the varying demand of steam and power from process, to reduce cost and save energy for petrochemical industry.
为了满足石化企业工艺过程对蒸汽和电力不断变化的需要,实现企业降低成本、节能降耗的目的,必须保证蒸汽动力系统在最优状态下运行。
This paper put forward some measure as setting up steam gas combined circle in connection with fully gas in rendering enterprises. They are useful in reducing prime cost and raising efficiency.
针对炼油企业瓦斯量较多,提出了建立燃气-蒸汽联合循环措施,对降低成本、提高效率有较大作用。
At the same time, the pollutant discharge rate is reduced from 25% to 16.5%. So the technol-ogy of shallow desalting can work steadily, the steam quality can be improved and the running cost lowered.
锅炉排污率可从原先的25%降至16.5%,因此浅除盐技术可以实现锅炉的稳定运行,提高蒸汽质量,同时还降低了运行费用。
An inner hollow cavity of the semicircle arc plate of the utility model is comprising of a steam tube, with advantages of saving material and installment column, and low cost.
本实用新型的半圆弧形板的内空腔构成蒸气管路,节省材料和安装体积,成本较低。
The spread over natural gas will widen under California's cap and trade system, set to take effect next year, which will add at least 50 cents per million BTUs to the cost of gas-fired steam.
围绕扩大天然气的传播将根据加州的上限和交易制度,以明年生效,这将增加至少50美分,至每百万英国热量单位的天然气为燃料的蒸汽成本。
Among many pretreatments, steam explosion, because of its low-cost, less energy consumption and pollution-free has favored researchers.
在多种预处理方法中,蒸汽爆破法预处理因其成本低、能耗少、无污染而备受研究学者的青睐。
Drying sewage sludge by indirect heating by extraction steam from turbine is the best technology for power generation by sludge incineration because the total cost of sludge disposal is the lowest.
采用汽轮机抽汽间接加热方法干化污泥,污泥处理的直接成本最低,是最佳的污泥焚烧发电技术。
Steam consumption accounts for about 50% of the total cost. Therefore, finding a method to reduce the unit consumption of steam is one of the focuses of our work.
目前蒸汽消耗占木糖生产成本的50%左右,如何降低蒸汽单耗是实现降本的主要工作之一。
The production development to fill the gaps in medium and high shrinkage Acrylic fiber. The production process reduce the cost as a result of reduced the amount of steam.
该产品的开发填补了干法腈纶中、高缩产品的空白,且生产过程中蒸汽量的减少,降低了生产成本。
The production development to fill the gaps in medium and high shrinkage Acrylic fiber. The production process reduce the cost as a result of reduced the amount of steam.
该产品的开发填补了干法腈纶中、高缩产品的空白,且生产过程中蒸汽量的减少,降低了生产成本。
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