垢的例句大全

The doctors can do it. They remove them with a special instrument or an ultrasonic scaler.

大夫可以做到. 他们用一种特殊的器具或超声波洁牙器来除去牙垢和牙石.

They say the wax can be softened with minoralmineral oil, gricelenglycerin or ear drops.

他们说耳垢能通过矿物油 、 甘油或耳坠软化.

Effect of Copper-zinc Alloy on the Crystal Structure of Calcium Carbonate Scale

铜锌合金对碳酸钙水垢晶体结构的影响

The drug non-toxic, non-phosphorus after the application of scale.

本品无毒, 应用后无磷垢.

Reduction of CaSO_4 Scale Formation during Pool Boiling by Surface Ion Implantation

表面离子注入降低池式沸腾条件下CaSO4污垢生成

At the same time, CA 101-3 , 1227, and ZL-1 has good compatibility in lab experiment conditions.

同时, CA101 -3 防腐剂 、 1227杀菌剂与ZL -1 阻垢剂在室内实验条件下配伍性良好.

Severe scaling problems were encountered in oil-gathering system ( OGS ) of Qingxi oil field in Yumen.

玉门青西油田原油集输系统管网结垢严重.

The impressive PCV system produces outstanding performance data and is extremely resistant to dirt and damage.

PCV系统具有出色的性能数据和极强的污垢、损坏抵御能力.

As a result, the phosphono carboxylic acid copolymers showed the best calcium carbonate inhibition capability at60 ℃;

研究表明，在水温低于60℃的情况下，膦酰基羧酸共调聚物具有良好的抑垢性能；

Phosphono-containing maleic anhydride-acrylic acid copolymer as scale inhibitor was synthesized from maleic anhydride ( MA) and acrylic acid ( AA) in water solvent using persulfate-hypophosphite as oxidation-reducton initiator.

以水为溶剂，马来酸酐（MA）、丙烯酸（AA）为单体，过硫酸盐-次磷酸盐氧化还原体系为引发剂，合成马来酸酐-丙烯酸含膦共聚物阻垢剂。

Research progress of scale-inhibition dispersion agent of copolymer of phosphono carboxylic acid Synthesis of Phosphono Carboxylic Acid Cotelomer and Its Property

膦酰基羧酸共聚物阻垢分散剂的研究进展膦酰基羧酸共调聚物的合成及性能

The article introduces the research results and progress of scale inhibition and dispersion agent of the copolymer of phosphono carboxylic acid in recent 20 years.

介绍了近20年来膦酰基羧酸共聚物阻垢分散剂&大分子有机磷酸的研究现状和进展情况。

The copolymer containing phosphono and sulfonic group ( PAMPS) is experimentally synthesized.

利用实验方法合成了含膦磺酸基共聚物PAMPS，通过正交试验评价优选出最佳合成条件，对其阻垢性能进行了评价。

Synthesis and Properties of Transition Metal Phosphonates Based on Phosphorus Ligands Study on the Combinating Application and Performance of Low Phosphonic Corrosion and Scale Inhibitor of Phosphono Carboxylic Acid

低磷缓蚀阻垢剂膦酰基羧酸的复配及性能研究

She cleaned the dirt from her finger-nails.

她从指甲里剔掉污垢.

Numerical Simulation Analysis of the Effect of Crud on Flow-rate Distribution of Hot Channel in Plate-type Fuel Core

板型元件表面结垢对堆芯最热通道流量分配影响的数值计算

Unlike metal, plastics never rust, scale , or pit-they virtually last forever.

与金属不同, 塑料不会生锈 、 生水垢或凹陷,实际上塑料使用寿命更长.

Mineral deposits water spots , alumina, silica, soap scum, oxides , scale, rust.

金属沉淀物, 水垢,矾土, 硅石, 肥皂泡, 氧化物, 锈迹.

Water scales the boiler.

水使锅炉生水垢.

This causes the salt to drop out of solution, with net effect being a harden scale.

无机碱盐水溶液的饱和点通常随着温度和浓度的升高而降低,这将造成皂化剂中盐的析出,形成坚固的水垢.