A new method for determination of iron in rosin with KSCN spectrophotometer is introduced.

Rosin is natural and renewable resources and is very rich and cheap in china.

松香是一种丰富廉价的可再生性天然资源.

Phosphate ester starch which can increase the sizing value is an effective internal rosin sizing aid.

磷酸酯淀粉用作施胶助剂,可以提高施胶度.

The production is estered from extra grade rosin and pentaerythritol.

本品用季戊四醇与特级松香酯而成.

Dry rosin is best in tropic and soft rosin in cold climate.

干的松香在热带最适用,而软的松香适用于寒冷的气候.

Our perennial supply of high quality pine resin, rosin and turpentine.

本厂常年供应优质松脂 、 松香、松节油.

The present key problem on bad dispersivity and stabilization of rosin size is solved aptly.

较好解决了目前施胶剂的分散性和稳定性不良这一关键性问题.

These rosin esters showed high sizing effectiveness under neutral and alkaline papermaking conditions.

松香酯在中、性条件下表现了优良的施胶效率.

A method of modifying anionic rosin and charge analyzed method are provided for the practical production.

为实际生产提供了一种改性阴离子松香胶的方法及电荷分析方法.

State on quality of Chinese gum rosin from 1995 through 2002 was investigated in detail.

从各种不同渠道详细调查了1995年至2002年中国脂松香的质量状况.

This article mainly related to the synthesis and appilication of cationic dispersion of rosin sizing agent.

文主要介绍了阳离子分散松香胶的制备及其应用时的影响因素.

The alkyd modified t-octylphenolic resin was prepared by alcoholized oil with pentaerythritol, rosin and octylphenolic resin.

亚麻油用季戊四醇醇解后与松香对辛基酚醛树脂进行改性合成了醇酸改性辛基酚醛树脂.

And it would be applied satisfactorily to the daily analysis for rosin manufacturers.

可满足松香生产厂家日常分析要求.

Great comeback from Rosina : he played aand scored a goal.

罗西纳发挥出色,力挽狂澜,打进扳平比分的一球.

He rosined his bow prior to the performance.

他在演奏之前,为他的弓上松香油.

She was flushed like the dawn , with a kind of luminous rosiness all about her.

她满脸象朝霞一样的通红, 浑身上下有一种玫瑰色的光彩.

Ross: Do they wait for me to do this?

Ross: 他俩专门等我来了之后才这样的 么 ?

Hello, this is Ross from the School of Music.

喂, 我是音乐学校的罗丝.

Ross : ( To the rest of Central Perk ) We're rehearsing a Greek play.

Ross: ( 对CentralPerk的其他人 ) 我们正在排练希腊话剧.

Ross : Why would I tell him?

Ross: 我为什么要告诉他?

Though relatively young in years, Dr. Ross is long on experience.

虽然年纪较轻, 但Ross大夫经验丰富.