查询词典 boiling range

When the heat flux is just beyond that activates the boiling incipience, the oscillation time period is in the range of 50 to 100 seconds.

当热流密度略大于沸腾起始点时，脉动周期长达50~100s。

Contemporary, ethanol's effect to gasoline's range of boiling, octane number and the like properties were studied.

同时研究了加入乙醇对汽油馏程、辛烷值等性质的影响。

Once nucleate boiling is initiated, heat transfer in propanol/water mixtures was shown to becontrolled mainly by the mass diffusion effect. In the concentration range studied in this work, the addition of SDS in water results in insignificant variation of dynamic contact angles.

沸腾一旦起始后，正丙醇水溶液比纯水的核沸腾热传速率小，此一组成的影响与双成分混合物的汽-液平衡和热、质传的物理特性有关，可以质量扩散效应描述。

Refractometer tester brake type automatic refractometer models offer full and complete measuring range measure vehicle brake fluid boiling point and water content ...

折射仪测试仪刹车报价类型自动折射仪型号齐全测量范围齐全测量汽车刹车液的沸点和水份含量。。。

The possibility is studied for producing bean extractive solvent oil boiling range of 60～90℃with the aromatic raffinate of splitting light-end products.

研究了轻烃裂解的芳烃油余油生产大豆抽提溶剂油（60～90℃馏分）的可能性。

Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.

研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。

They are available in three boiling range s with varying volatility.

我们可提供三种馏程范围、具有不同挥发性的产品。

Light straight run gasoline, lower-boiling range distillates and other non-hydrotreated fuels ("sour stocks") contain sulfur compounds such as mercaptans, that must be removed ("extraction/sweetening") to avoid problems with odor and corrosion, or prior to catalytic reforming and catalytic alkylation processes.

轻质直馏汽油、低沸点蒸馏油和其它未经加氢处理过的燃油含有硫醇类硫化物，须采取措施将其去除以免引起异嗅或腐蚀问题，或者须在催化重整和催化烷基化反应工序之前将其脱除以避免毒化催化剂。

It first uses the product drawing plate temperature from the crude distillation column and its oil partial pressure to calculate the whole boiling range of the side products, and utilizes the Packie curve method to calculate the separation accuracy between the fractions, and thus building the process mechanism based qualities on—line calculation models.

并首次使用原油蒸馏塔产品抽出层温度及其油气分压来计算各侧线产品的全馏程，还利用Packie曲线法来计算各馏分油之间的分离精度，从而建立了基于工艺机理的质量在线计算模型。

Aromatic solvent naphtha was obtained by two-stage synthesis from C9 fractions from ethylene cracking with boiling range of 100~200℃ in the presence of Lewis acid as catalyst.

以沸程在100~200℃乙烯副产C9馏分为原料，进行了以Lewis酸为催化剂的两段聚合法制备芳烃溶剂油工艺的研究。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。