The best thing to do is to clean them once a week, if you can, you can use a hair dryer on a cold setting to blow the dust off.

Research on modified polyvinyl alcohol ( pva 841) for cold setting adhesive

改性聚乙烯醇（PVA&841型）木工冷粘胶试验研究报告

Study on the preparation and properties of chromium slag cold setting pellet

化工铬渣冷固球团的制备及性能研究

The new tubing anchor is mainly comprised of anchor setting mechanism, anchoring mechanism.

新型油管锚主要由坐锚机构、锚定机构、锁紧机构和解锚机构四部分组成。

Just a few weeks ago, Beijing moved to make its exchange rate setting mechanism more flexible.

就在几周前，中国政府采取行动以使其汇率形成机制变得更加灵活。

The special travel setting mechanism makes travel adjustment easy and accurate.

特有的行程设定机构，使行程调整简单，准确。

The final piece you need to create is a setting mechanism.

最后你需要创建是设定的机制。

Research on quick setting mechanism of liquid quick setting agent

SL型液体低碱速凝剂的速凝机理研究

Plan Innovation and Design of Automatic Setting Mechanism of Fuse

引信自动设定机构的方案创新与设计

In order to solve the setting and releasing difficulties of the present packer for water plugging in the multiple zones, setting mechanism, locking mechanism, seal confirming mechanism, balanced protecting mechanism and releasing mechanism step-by-step of the releasing packer stage-by-stage are optimized design.

针对现有多层堵水封隔器坐封难、解封难的问题，通过优化设计了逐级解封封隔器的坐封机构、锁紧机构、验封机构、平衡保护机构、逐级解封机构。

Various additives are used to control density, setting time, strength and flow properties.

可用不同的添加剂去控制水泥的密度、凝固时间、强度和流动性能。

The Influence of D/ A Converter Setting Time on the Quality of Output Signal

D/A转换器建立时间对输出信号质量的影响

A new method for measuring initial setting time of roller compacted concrete

碾压混凝土初凝时间测试新方法电动势法

A New Method for Testing Initial Setting Time of Cements

一种测试水泥初凝时间的新方法

Determination of concrete setting time based on measurements of deformation

基于早期变形特征的混凝土凝结时间的确定

Measures and opinions to improve setting time are put forward.

提出了改善凝结时间的一些措施及意见。

Experimental study on a test method of setting time for field concrete

现场混凝土凝结时间测试方法的探讨

DI-720 series High Speed Data Acquisition Card ( HSDAC) has the advantages of connecting to PC directly, high sampling frequency, multi-channels input, manual setting and so on.

DI-720系列高速数据采集卡具有与计算机接、采样位数多、支持多路输入并可人工设置等特点。

After introducing two confirming sampling reference methods, manual setting and automatic confirmation, a new automatic confirmation method based on data channel is put forward, and a realizing approach is detailed.

首先介绍了目前确定采样基准端的两种方法：人工设定和自动确定，然后提出了一种完全基于数据通道的采样基准端的自动确定方法，并详细介绍了该方法的具体实现。

On the basis of SUSAN algorithm this algorithm used adaptive threshold extraction and quick corner detection, succeed in avoiding manual setting threshold and improving the running speed.

该算法在SUSAN算法的基础上采用阈值自适应提取和角点的快速检测，避免了人工设置阈值的麻烦，提高了算法的运行速度。

According to manual setting the controller can quickly adjust the temperature of outlet air to the setting value and display the outlet air temperature in real time.

温度控制器能够根据人工设定的温度迅速调节出口风温使之达到设定温度，并可以实时显示出口供风温度的变化情况。