Oxidation can create some solid particles but if there is particularly more solid in fragrance oil it might be because dust from the air has gotten into the bottle.
除了正常的轻微氧化反应可能会产生极细小颗粒外，如果里面的小颗粒过多，有可能是由于里面钻入的灰尘。
Though the heavy metal lead is largely gone from our gasoline and paint, it still lies insidiously below us in the ground and occasionally drifts through the air as dust.
尽管金属铅大部分通过汽油和油漆排放出去了，但任有一部分藏在我们看不见的地下，有时候作为灰尘漂浮在空气中。
Next, the fishing boats stopped sailing from the ports, then the hearth smoke faded away and only a sandy haze was left hanging in the air; a death rattle of dust.
接着，渔船停止从港口启航，然后炉烟逐渐消逝，只剩下一层沙色的薄雾悬在空中；尘埃的临死哀鸣。
Dust from the Gobi and Taklimakan deserts is often present over the western United States in the spring and can lead to disastrous air quality in Korean, Japanese and Russian cities.
来自戈壁和塔克拉玛干沙漠的沙尘常常在春季出现在美国西部，导致了韩国、日本和俄罗斯城市的灾难性的空气质量。
Air pollution in Beijing reached a high level of 99 on the Air pollution Index on Friday as a sandstorm from the northwest shrouded the capital in dust, the China News Service reported.
据中国新闻社报道，北京市区13日遭遇了来自西北方的沙尘袭击，当天该市污染指数一度达到99。
The problem with looking into space from the earth is that there is a lot of dust in the earth's air.
从地球上观察太空存在一个问题，那就是地球的大气中有大量的尘埃。
According to the different use of the situation, to clean the air filter, the method can be used in high pressure air from the inside out, the filter dust blowing out.
依据不一样的运用情况，要定时清洁空气滤芯，可运用的办法有高压空气由里向外吹，把滤芯中的尘埃吹出。
The air purifier preferably removes dust and other particles from a room, typically in a household environment.
空气清洁器优选地从房间中，典型的在家庭环境中，去除灰尘和其他微粒。
We see the beam from the flashlight because the light is reflected by particles of dust or moisture in the air.
因为空气中的灰尘或水汽反射电筒的光，我们才看得见电筒的光束。
Meantime, soot and dust from this week's wildfires is making the air quality especially bad there.
同时，这周的火灾所带来的煤烟和灰尘使那里的空气质量非常之差。
Air filters are often used over intake fans, to prevent dust from entering the case.
空气过滤器通常用于超过摄入的球迷，以防止灰尘进入的情况。
Then, the scent from the palms, the sound and dust in the air, and the birds in a yard.
手心的香味、空中的声音与灰尘、院子里的鸟儿。
Objective To study the nursing intervention measures about the transfusion from counting the indoor air dust particle on the spot in medical organization.
目的根据医疗机构室内空气尘埃粒子测量结果，分析探讨输液护理的干预措施。
Winds pick up fine particles from the ground, and then the air becomes thick with dust.
地面细沙被风卷起，空气中便充满厚厚灰尘。
The fanned air is then discharged from the front side of the base, blowing off saw dust on a cutting object so as to prevent dust from accumulating on a marking line on the cutting object.
扇动空气从底板的前端向前吹出，吹掉切割对象上的锯屑，从而防止锯屑聚集在切割对象上的标记线上。
The dust separating apparatus includes a cyclone body configured to separate dust from air using centrifugal force, and having an entering pipe through which the air enters;
所述灰尘分离装置包括：旋风体，构造成利用离心力从空气中分离灰尘，并具有进入管，空气通过该进入管进入；
Specialists and scholars of Japan think that the sand -dust is long -distance transported by upper westerly air from the desert in the northwest China and Loess Plateau in China to Japan.
日本专家学者认为，发生于中国西北沙漠、黄土高原的沙尘通过高空西风气流远距离输送是造成日本黄沙的主要原因。
The problem with looking into space from the earth is that there is a lot of dust in the earth's air.
从地球上观察太空存在一个问题，这就是地球的大气中有大量的尘埃。
Before shop primer is applied, dust, sand residue, crushed steel shot or grit and all other contaminants must be removed from the surface using a vacuum cleaner, air blower, etc.
当车间底漆涂装之前，应用真空清洁器、鼓风装置除去表面的灰尘、残砂、碎钢粒以及其他污染物。
If the end is for cleaner air, the problem might be that of reducing the dust discharge from power-plant stacks, or reducing the quantity of irritants from automotive exhausts.
如果更清洁的空气是结果，那么可能是因为在于从工厂烟囱排放了粉尘减少或者汽车尾气减少了。
The compound dry process for coal cleaning of differs from conventional one in separation mechanism, efficiency, quantity of air required, and dust collection system.
复合式干法选煤突破了传统风力选煤的模式，在入选机理、分选效果、用风量及除尘工艺等方面与传统风力选煤均不同。
The pollution source of amorphous dust resulted from open-air coal stocking yard is specialized with large area, which is difficult to control.
本文通过采用在储煤场周围设置防风抑尘墙，降低储煤场内风速，从而实现有效控制储煤场无组织扬尘污染。
The clean air from the air shower can remove the dust carried by the people and the cargos, which prevents dust source from getting into the clean area.
其吹出的洁净空气，可去除人与货物所携带的尘埃，有效地阻断或减少尘源进入洁净区。
Once dust is discharged, the torques from hammer and rocker will close quickly and realize air lock.
一旦积灰卸去后，重锤与摇杆产生的力矩使阀板迅速关闭，实现锁气。
The earth's atmosphere is polluted naturally by sandstorms and the dust and gases from volcanoes. but the most serious kind of air pollution comes from people.
地球上的大气自然的受到沙尘暴和火山喷发的尘埃和气体的污染。但是最严重的空气污染确实人为的。
The induced draft fan should be regularly cleaned internally and externally. The dust should be removed from the surface of the fan for clear passage of the air.
引风机应定时清理风机内部及外部，风扇的空气通路，除去表面灰尘。
The induced draft fan should be regularly cleaned internally and externally. The dust should be removed from the surface of the fan for clear passage of the air.
引风机应定时清理风机内部及外部，风扇的空气通路，除去表面灰尘。
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