paraffins

The development characters of small-nutted longan embryo were studied by paraffin method.

摘要采用切片法研究小核龙眼胚胎发育的特点。

A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和为主要原料,制备了一种乳液型乳胶用疏水剂。

With the mixture tests design, the interaction mechanism of borate, chlorinated paraffin and zinc dialkyldi thiophosphate (ZDDP) additives is studied.

用混料试验设计方法,研究了硼酸酯、氯化和二烷二硫代磷酸锌(ZDDP)的相互作用机理。

By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

根据蜂中的烃类在浓硫酸中可被炭化，加入的矿物不被炭化来测定此类掺杂物。

A paraffin method and a whole ovary stain clearing techique were used to study pseudogamy in Kentucky Bluegrass (Poa pratenesis L.).

本文运用切片法、整体透明法研究了草地早熟禾的假受精现象。

The process is carried out by taking refinery paraffin, palmic acid, mineral butter, ceresine wax and candle essence as raw materials, heating, dissolving, and mixed freezing to obtain final product.

它是由精炼、棕榈酸、凡士林、微晶、烛香精原料经加热溶解、混合凝固成为带香味的彩色烛粘土。