And what is the symbolic significance of a battery-operated chemical flame, anyway?
那个由电池控制的化学火焰的象征意义何在？
Just last week, a study in Environmental Health Perspectives found disturbingly high levels of a flame-retardant chemical in a sample of butter.
就在上个星期，一项环境卫生研究结果称，在一批奶油样品中发现高含量的阻燃化学物质。
Using a variety of chemical analysis techniques, the researchers found a suite of flame-retardants in 80 of the samples.
通过多种化学分析技术，科学家在80个样本中发现了一系列阻燃剂。
Then sandblasting, flame or chemical means, and improve the surface activity.
然后用喷砂、火焰或化学方法处理，提高表面活性。
Chemistry of Other Military chemical Compoundsincludes reviews on riot control agents, herbicides, and flame and smoke-producing chemicals.
其他军用化学品的化学性质，包括控暴剂、除草剂、烟火化学品的相关综述文章。
High flame resistant polyethylene high foaming products is petroleum chemical industry, construction industry, and refrigeration industries for cold insulation materials ideal.
高阻燃聚乙烯高发泡产品是石油化工，建筑行业和制冷行业保温保冷的理想材料。
Flame Arrestor breather valve should be equipped on the top of tank for type A B liquid according to GB50160-92, "Fire prevention code of petrol chemical enterprise design".
根据国家标准《石油化工企业设计防火规范》（GB50160-92）之规定：“储存甲、乙类液体的固定顶罐，应设阻火器和呼吸阀”。
They may react with chemical species within the flame to stop the combustion reaction.
阻燃剂可以与火焰中的化学物质起反应，使燃烧反应终止。
This paper simulated polycyclic aromatic hydrocarbons formation in C2H6/O2/N2/AR laminar opposed flow diffusion flame using detailed chemical kinetic mechanism.
本文使用详细的化学反应机理模拟了C2H6／O2／N2／AR层流对冲扩散火焰中多环芳烃的生成动力学过程。
The flame area which has developed from the fire source is an area of chemical reaction caused by combustion.
火源生成的火焰区是燃烧引起的化学反应区域。
The flame retardant fundamentals were discussed based on the flame retardant chemical reactions, bond energy, heat transfer and reaction kinetics aspects.
本文从阻燃化学反应、化学键能、热传递和反应动力学角度分析卤素类阻燃剂的阻燃机理。
The reactivity time scale of the vortex is defined to describe the chemical reactivity dynamics and the flow dynamics of the flame.
定义火焰特征反应时间来反映火焰的化学反应动力学和火焰流场流动动力学特性。
The fire was modeled by the mixture fraction combustion method with chemical reaction mechanisms neglected. Laminar diffusion flame theory with one-step irreversible fast reactions is assumed.
对火的描述采用混合分数燃烧模型，模型中忽略燃烧过程中的反应机理，应用了层流扩散火焰理论和单步不可逆快速反应假定。
This paper studied ignition and burnout characteristics of methane-air premixed flame with H2 added, using chemical reaction mechanism.
利用化学反应动力学机理研究了甲烷-空气预混火焰添加H2的着火和燃尽特性。
Experimental data show that the physical flame retardant coatings possess more advantages over the chemical coatings as to the aging resistance, water resistance and flame retardancy.
结果表明，与传统的化学膨胀型防火涂料相比，可膨胀石墨防火涂料在热降解、阻燃性、耐老化性、耐候性能等方面具有突出的优点。
Sulphur, burning with a bright flame and a strong smell, is often used in medicine and chemical industry.
硫磺常用于医药和化学工业，它燃烧时发出光亮的火焰和浓烈的气味。
Brucite matrix composite flame retardant was prepared by means of chemical compounding and the major influence factors of the preparation were determined by means of orthogonal experiment.
采用化学复合法制备出水镁石基复合阻燃剂，通过正交试验法分析了制备工艺的主要影响因素，确定了最佳工艺条件。
The focus of this research field is to study the chemical equipment corrosion mechanisms and protection, thermal controlled safety coating materials and the development of flame retarded materials.
主要侧重化工设备的腐蚀与防护、安全热控涂层材料、阻燃聚合物材料等方面的研究。
This paper introduced a low yellowing , excellent flame retardant unsaturated polyester resin synthetized from a special chemical structure brominated compound and its chemical physical properties.
采用一种特殊化学结构的含溴化合物为主要原料， 合成了一种具有老化变黄度小、阻燃性能优越的不饱和聚酯树脂，介绍了此树脂的化学物理性能。
Two different subgrid-scale combustion models were used for the Large-Eddy Simulation (LES) of turbulent chemical reaction flows in a model combustor with V-gutter flame holder.
在三维任意曲线坐标系下采用不同的亚网格燃烧模型对环形燃烧室火焰筒气液两相湍流瞬态反应流进行大涡模拟。
Polyphenylene sulfide (PPS) fiber is a kind of high-performance synthetic fiber with excellent thermal stability, chemical resistance, flame retardancy.
聚苯硫醚(PPS)纤维是一种具有优异的热稳定性、耐化学腐蚀性、阻燃性的高性能合成纤维。
Coal ranks in the Yuanyanghu mine area are mainly non-caking coal, long flame coal the second, all good coals for coal chemical industry and power plant.
鸳鸯湖矿区以不粘煤为主，长焰煤次之，是良好的煤化工和动力用煤。
Graphite Furnace Atomic Absorption Spectrometry for measuring Micro-amount cadmium in Super-pure Chemical Reagents isopropyl alcohol is better sensitivity than the flame.
研究了超净高纯试剂异丙醇中痕量镉的石墨炉原子吸收光谱测定法。
The optimum synthesizing conditions were defined, and chemical structures were confirmed by IR. The properties of flame retardant such as acid value, solid content and phosphorus content were tested.
研究了该阻燃剂的合成条件，用红外分析确认了其结构，测试了阻燃剂的酸值、含固量和磷含量等性能指标。
Hangzhou JLS flame retardants Chemical co., Ltd. is a special corporation for exploring and manufacturing flame retardants.
杭州捷尔思阻燃化工有限公司是一家专业从事阻燃剂开发和生产的高新技术企业。
Hangzhou JLS flame retardants Chemical co., Ltd. is a special corporation for exploring and manufacturing flame retardants.
杭州捷尔思阻燃化工有限公司是一家专业从事阻燃剂开发和生产的高新技术企业。
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