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on fire     
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  起火
     The sample was decomposed by half-fusion method with a mixed flux of Na_2CO_3-ZnO-KNO_3.Then the silicon was determined by gravimetric method using polyethylene glycol for fast agglomerating silicon acid. This method could avoid on fire and explosion during the melt of sample.
     用Na2 CO3-ZnO -KNO3半熔剂分解硅铁试样 ,避免了用NaOH ,Na2 O2 熔样时的起火爆炸现象 ,同时减轻了对镍坩埚的损害 ,易于浸取、脱水。
短句来源
     Reason on Fire about Fusing Polyester Pipeline and its Fireproofing Measure
     聚酯熔体管道起火原因及防火措施
短句来源
     The locomotive, electric power generation vehicle diesel oil combustion chamber structure are complicated, vehicle is loaded with painting amounts big, once oil gushes the interrupted serious consequences being on fire, burning down to bringing about a small vehicle,interrupted serious consequences driving.
     机车、发电车柴油燃烧室结构复杂,车载油量大,一旦油喷到高温排气管表面起火,将造成机车烧毁、行车中断。
短句来源
     When the battery of charged state is stored at 150 ℃ oven, it is not on fire and explosing.
     电池在150℃荷电放置的条件下,不起火爆炸。
短句来源
     Then,the author analyzes the influence factors such as materials,lip height and volume on oil tank fires,and discusses the reason on fire and influence factors of oil tank fires.
     在此基础上研究了不同材料、液位高度、容量对油罐破坏形式的影响 ,并就油罐火灾的起火原因和火灾危险性影响因素进行探讨
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  对火灾
     In order to quantify the impact of human activity on fire, the forest fire, land usage and population data in Japan are analyzed focusing the correlation between population density and fire frequency based on the mesh-code system of Japan.
     为了量化人类活动对森林火灾的影响,本文基于日本的三级网格系统,对日本全国范围内近年来的森林火灾数据、土地利用率数据和人口密度数据进行了综合分析,研究了人口密度对火灾发生频率的定量影响规律。
短句来源
     Effect of Economic Factors on Fire
     经济因素对火灾的影响
短句来源
     As a result of simulation in single room fire we conclude time to hazardous condition of PVC wallpaper and timber materials is 139s and 132s respectively, the same time of materials selected in article is 150s what illustrate variant finish materials have great influence on fire development.
     单室火灾模拟结果表明,PVC 壁纸和木材装饰材料模拟达到火灾危险性状态的时间分别为 139s、132s,而用文中涉及的材料组合使用达到这个状态的时间为 150s,这些都说明不同装修材料对火灾的发展有重要的影响。
短句来源
     By the analysis on fire automatic alarm control system, the application current situation of architecture fire alarm system and net control management of fire alarm system are discussed. The opinion of intensifying fire automatic alarm control management from the view of hardware is put forward to further improve the reliability of the fire automatic alarm control system.
     通过对火灾自动报警控制系统的分析,从建筑物消防系统的应用现状及报警系统组网监控管理等方面进行了论述,提出了应从硬件方面加强对火灾自动消防系统的控制管理,进一步提高火灾自动报警系统的可靠性。
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     Effect of Staff Response on Fire risk assessment
     浅析人员反应对火灾风险评估的影响
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  在消防
     Application of Virtual Reality Technology on Fire Science
     虚拟现实技术在消防科学研究领域中的应用
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     A bedding-clothing managing software and its application on fire army
     一种被装管理软件及在消防部队中的应用
短句来源
  对火力
     The Effect of Acquisition Radar's Measure Precision on Fire Distribution
     目标指示雷达的测量精度对火力分配的影响
短句来源
     The Effect of Weapon's Kill Prabability on Fire Application
     武器毁伤概率对火力运用的影响
短句来源
     This paper analyses the effect of acquisition radar's measure error on fire distribution. In order to make fire distribution have the high precision,we put forward the requirement to measure precision of acquisition radar.
     分析了目标指示雷达的测量误差对火力分配的影响 ,为使火力分配有一定的准确性 ,对目标指示雷达的测量精度提出了要求
短句来源
     In this paper,the Scatter Markov Chain Model is adopted. Under the basic assumption tallying the actual situation,analyse the variation weapon's kill probability on both sides and its effect on fire application with kill probability as the index considered,so as to reach the demand of advanced fire's occasion and transformational occasion of fire application's mode on kill probability.
     采用离散马尔可夫链概型 ,在符合客观实际的基本假定条件下 ,以毁伤概率为指标 ,定量分析了对抗双方武器毁伤概率的变化对火力运用的影响 ,从而提出了先敌开火时机和火力运用样式转换时机对毁伤概率的要求
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      on fire
    When he drew a wood splinter through the paper, it lit on fire.
          
    It argues that if fire mitigation remains centered on fire as a crisis event, an understanding of what constitutes frontier spaces of vulnerability, both in landscape and in populations, will be limited.
          
    Effect of DOP-based compounds on fire retardancy, thermal stability, and mechanical properties of DGEBA cured with 4,4'-DDS
          
    Compared with many other polymers, polysiloxanes have shown some desirable properties on fire.
          
    It considers recent LUCC frameworks, and then uses household surveys on fire use practices to discuss how the study of fire use can contribute to understanding frontier landscape change.
          
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    Fire extinction by means of furnace smoke is a new technique for fighting mine fires. This article was written on the bases of results obtained from field experiments and researches made during the years of 1960 to 1964. It consists of five main secti-ons, namely, Preparation of Furnace Smoke, Infuson of Furnace Smoke, Control of Air-leakage in Fire Area, Effects of Fire Extinction by Furnace Smoke and Action of Furnace Smoke in Fire Area.A description is made of the preparation of furnace smoke, infusion methods,...

    Fire extinction by means of furnace smoke is a new technique for fighting mine fires. This article was written on the bases of results obtained from field experiments and researches made during the years of 1960 to 1964. It consists of five main secti-ons, namely, Preparation of Furnace Smoke, Infuson of Furnace Smoke, Control of Air-leakage in Fire Area, Effects of Fire Extinction by Furnace Smoke and Action of Furnace Smoke in Fire Area.A description is made of the preparation of furnace smoke, infusion methods, as well as the experince of controlling air-leaking in fire area.The fire-extinction effects of furnace smoke are discussed and summarized accor-ding to statistis and investigations based on field experimental conditions, and the va-rious influencing factors are analyzed. A brief explanation is also made of the principle of action on fire extinction by furnace smoke.Finally, the article concludes with a summary discussion on the advantages,operating conditions and outstanding questions of this fire-fighting method.

    炉烟灭火是一项消灭煤矿井下火灾的新技术.本文系根据1960~1964年间现场试验和研究所得结果而写出.全文包括:炉烟的制备,炉烟的灌注,火区漏风的管理,炉烟灭火效果和炉烟在火区内的作用等五个主要部分.介绍了炉烟的制备与灌注方法以及火区漏风的管理经验.根据现场试验情况的统计和考察,对炉烟灭火的效果作了总结与探讨,对影响灭火效果的诸因素进行了分析,并且简要的阐述了炉烟灭火的作用原理.最后,对炉烟灭火的优点、使用条件、存在问题也作了扼要的论述.

    A gas chromatographic method involving the use of two columns in series has been developed for the complete analysis of gaseous products from oxidative dehydrogenation of butylene. A partition column packed with 30% by weight of dibutyl phthalate and dimethyl formamide in ratio of 1:1 on fire brick was used to separate the C_3—C_4 gaseous hydrocarbons and carbon dioxide from permanent gases, and the latter, such as oxygen, nitrogen, and carbon monoxide, were separated by using an adsorption column with...

    A gas chromatographic method involving the use of two columns in series has been developed for the complete analysis of gaseous products from oxidative dehydrogenation of butylene. A partition column packed with 30% by weight of dibutyl phthalate and dimethyl formamide in ratio of 1:1 on fire brick was used to separate the C_3—C_4 gaseous hydrocarbons and carbon dioxide from permanent gases, and the latter, such as oxygen, nitrogen, and carbon monoxide, were separated by using an adsorption column with 5A molecular sieve as adsorbent. By this method, all of the components except isobutylene in the gaseous reaction product could be quantitatively analyzed with the use of correction factor. The absolute deviation is found to be less than 1.2. Separation of isobutylene from its isomers could be carried out on column with acetonylacetone as the stationary liquid, a resolution of 90% for isobutylene and butylene-1 was attained even when the content of isobutylene in the gas mixture is below 2%,or one-tenth of that of butylene-1.

    本文介绍了采用分子筛柱和气液分配柱串联,对丁烯氧化脱氢的气相产物进行全分析的方法.选用30%(重)1:1的苯二甲酸二丁酯加二甲基甲酰胺混合柱,可以将除异丁烯外的其他烃类组分全部分离;5A分子筛柱用于分离永久性气体.用实验测得的各组分的校正因子进行定量分析,平均偏差不大于1.2.己二酮柱可以使包括异丁烯在内的全部丁烯异构物得到良好的分离,在异丁烯含量低于2%,并且丁烯-1和异丁烯含量相差近十倍的情况下,二者的分离度可达90%.

    Micro-determination by gas chromatography has been studied for the higher acetylenes, e.g. methylacetylene, vinyl acetylene, and diacetylene, present in dimethyl formamide (DMF), which is used as solvent for selective absorption of dilute acetylene obtained by the partial oxidation of natural gas. Different higher acetylenes, except DMF and water, may be completely separated and eluted within 6—7 minutes on column with liquid phase of dibutyl phthalate dispersed on support 5701 at 30℃ and carrier gas (H_2) flow...

    Micro-determination by gas chromatography has been studied for the higher acetylenes, e.g. methylacetylene, vinyl acetylene, and diacetylene, present in dimethyl formamide (DMF), which is used as solvent for selective absorption of dilute acetylene obtained by the partial oxidation of natural gas. Different higher acetylenes, except DMF and water, may be completely separated and eluted within 6—7 minutes on column with liquid phase of dibutyl phthalate dispersed on support 5701 at 30℃ and carrier gas (H_2) flow rate 90ml/min. Methods of the quantitative desorption of higher acetylenes from DMF are investigated. Adsorption of the liquid sample on fire-clay filler in sampling device and flush with carrier gas under 85℃ give satisfactory desorption of higher acetylenes and eliminate the interference of liquid DMF. Fire-clay percolated with 5% glycerine as filler for the sampling device and pre-column is used with success to prevent the DMF vapor and moisture entering into the analyzer column. Standard curves of sample size vs. peak area are obtained and relative correction factors are determined for above three pure higher acetylenes, their mixture, and their DMF solution. The detection sensitivity of the method for methylacetylene is 4 ppm, for vinyl acetylene 10 ppm, and diacetylene 24 ppm. Maximum detectable concentrations are 2500 times of the detection sensitivity. Precision and accuracy of the method are ±4.60% and ±2.15% respectively. The time of a complete analysis requires 15—20 minutes.

    以邻苯二甲酸二丁酯为固定液,采用5701型担体,配比10:100(重量);在柱温30℃和载气氢流速90毫升/分的条件下,可以使各种高乙炔完全分离,流出时间6—7分钟.考察了各种因素对溶剂二甲基甲酰胺(DMF)中高乙炔定量解吸的影响,找到了合适的避免溶剂干扰分析的进样方法、阻止气化的溶剂和水分进入色谱柱的合适的截留填料以及合适的解吸温度和进样量.求得了纯甲基乙炔、乙烯基乙炔、丁二炔以及它们的混合气和配入DMF中等样品的标准工作曲线和相对校正因子,其中以采用DMF中高乙炔分析为准的相对校正因子为好.此法的检出限量(重量计)为甲基乙炔4ppm,乙烯基乙炔10ppm,丁二炔24ppm.分析最高浓度可达检出限量的2500倍.方法的精确度为4.60%,准确度为2.15%,一次分析时间15—20分钟.

     
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