Keywords PbS;solar selective absorbing coating for medium temperature;preparation;absorptivity;emissivity

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In fact, measured molar absorptivity is also related to apparatus used.

實(shí)際上，測(cè)得的摩爾消光系數(shù)也和使用的儀器有關(guān)亚洲三级乱伦一区二区。

Study on laser absorptivity of metal material.

金屬材料的激光吸收率研究亚洲色图国产专区。

So it is necessary to determine the laser absorptivity of ductile iron.

因此，確定球墨鑄鐵材料對(duì)激光的吸收率十分必要福利在线国产。

Its water absorptivity depends on the size of molecular weight, it can absorb 2% moisture at the most.

其吸水性取決於分子量的大小国产精品一区二区精品视频，最高時(shí)可吸收2%的水分。

This thesis finally studied on the absorptivity of ultraviolet and visible light of nanosized zinc oxide in aqueous solution.

本論文最后對(duì)納米氧化鋅的紫外-可見(jiàn)光吸收性能進(jìn)行了研究老司机午夜免费精品视频在线观看。

The influence factors of component of carried gas and deposition time on the composition and absorptivity of coatings were studied.

研究了載氣成分国产www性性、沉積時(shí)間對(duì)膜層成分和吸收率的影響。

Because of the enhancement in chromium absorptivity and fixation,the dosage of normal chrome powder can be reduced from 6%to 4%in conventional process,and can be reduced from 6%to 3%in two-stage chrome tanning process,and thus the chrome absorptivity and fixation can be enhanced further.

兩步鉻鞣時(shí)可將標(biāo)準(zhǔn)鉻粉的用量由傳統(tǒng)的6%減少到3%337啪啪肉体，這時(shí)鉻的吸收率和固定率還會(huì)進(jìn)一步提高欧美一级男女插穴视频。

High protein feed can enhance airframe the absorption to zinc, keep in storage and feed of sex of metabolization; animal and the zincic absorptivity of inorganic, organic additive are taller, and the zincic absorptivity in plant sex feed is very low, zinc inside pig body excrete basically through bowel, along with eduction of fluid of pancreatic juice, bowel. 1.1 zinc inside pig body physiology function 1.1.1 raise collecting appetite zinc is element of the taste in saliva to make part, and the structural function with gustatory epithelial to oral cavity mucous membrane element and metabolization are influential action, affect the configuration of alveolus of the taste bud in glossal tit and function then, because this adds zinc,can enhance taste bud to taste sensitive.

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The temperature rising mechanisms of manganese carbonate fines containing coal by microwave heating were discussed. The results show that, manganese carbonate fines containing coal have good characteristics of microwave heating and self-reduction. At the molar ratios of C atom to O atom as 1.1, 1.2 and 1.3 in the mixed materials, the averaged maximum temperature-rising rate of the mixed materials by microwave heating is 140.7 K/min at 1 473 K with the microwave frequency of 2.450 GHz. At the different containing coal ratios and heating temperatures, the value of the dielectric constant is big, 5.5, but that of the permeability is about 1, so the mixed materials belong to dielectric loss. The temperature rising performance depends chiefly upon the electromagnetic performance of materials, whose change is caused primarily by the chemical reaction, the changes of crystal structural , and the changes of defects state. The bigger the containing coal ratio, the better the absorptivity of microwave. At the same containing coal ratio, the higher the heating temperature, the weaker the absorptivity of microwave.

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