热值

In recent years, a new gas burner of low voltage and low caloric value was successfully developed.

简要分析了国内普遍使用的非预混式气体燃烧器的技术概况，着重介绍了近几年研制成功的新型低压、低热值煤气燃烧器的结构特征、技术特点及应用效果。

The characteristic velocity , also called c-star or simply c *, is a figure of thermochemical merit for a particular propellant and may be considered to be indicative of the combustion efficiency .

的特点，速度，也称为的C -明星或干脆c *，是一个数字，热值得为某一推进剂，并可能被视为指示性的燃烧效率。

Some difficulties encountered in burning of these gases in gas turbine combustors are considered and their solutions are proposed through several typical examples of combustor configuration.

本文概述了航机在改烧低热值煤气时会遇到的各种问题及其对策，力图为航机的改型工作提供参考素材。

The liquid oil obtained from cellulose was mainly composed of phenols, benzenes, furans and cyclopentanones. Abundant phenol derivatives were obtained from high lignin content biomass, for example walnut shell (75.88%).

生物质中大量的氧以CO和CO2的形式脱除，所以得到的液体燃油具有较高热值、低含氧量、高H/C比；初步筛选了可选控的催化重组催化剂，以控制产物中的芳香化合物和直链烷烃的分布。

The temperature of furnace liner is also the same. The invention has the advantages of simple structure, long useful life, less than 30ppm NOx discharge, less than 140ppm CO discharge, increasing heat efficiency by 5-10% comparing with traditional burning, suiting for various grate, boiler, or burning heating unit etc.

发明结构简单，使用寿命长，NO x 排放低于30ppm，CO排放低于140ppm，热效率高出传统燃烧5-10％，适用于各类燃用低热值燃气或废气的民用或工业炉窑、锅炉或燃烧加热装置使用。

The developmental and variable rules of heat value for coal gas of underground gasification without shaft style in steep coal seam is described.

指出了急倾斜煤层无井式地下气化煤气热值的发展变化规律。

It produces the gas with low content of tar and ash.

对于木片、木块和秸秆等农林加工剩余物，其含水率不超过25％的，均可使用下吸式气化炉，其气体焦油含量低，含灰份少，对气化炉产生的气体，直接用含镍催化剂处理，发现能提高气体热值，最高可达7230KJ/NM〓。

The result showed that screen residue had lower water content and higher heat value.

一般要求低位热值在4000kJ/kg以上，最好高于5000kJ/kg，垃圾燃烧的效果较好[1]。

The energy-saving should be calculated according to the equivalent heat value or energy quality coefficient.

提出了节能分析按等价热值或者能质系数计算；节能率、经济性以年为单位核算；以实测能耗评价节能建筑，避免采用多种节能技术的建筑实际上是非节能建筑的现象。

The factors of influence on throttling include the characteristic parameters of network system and fan, the position of fire taking place, the direction and its increasing rate of heat potential and heat resistance.

近年来，由于巷道火灾的灾难性和发生频率增加，受到了国内外的广泛关注。瓦尔特等人*根据燃料的热值及每米巷道燃料的质量计算理论发热量

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。