系统产生的黑色沉淀物主要由硫化铁和氧化铁构成；
The black deposits produced in the system were mainly composed of iron sulphide and iron oxide.
我们走运了，看样子这些绳纹人似乎不太擅长清洗厨具，所以在这些陶罐陶钵里头还残留有一些已经碳化了的食物残渣，就是这种器皿内部表面存留的黑色沉淀物。
'We're quite lucky they weren't very good at washing up, these guys - and so they've left some carbonised remains of foodstuffs inside these pots, there are black deposits on the interior surfaces.
采取正确的过滤和沉淀措施后阳极黑色附着层对镍锰合金电铸过程不会产生明显的影响。
After proper filtration and precipitation, the loose black layer had little effect on the electroforming process of the Ni-Mn alloy.
重铬酸钾容量法测铁中，二氯化锡超量产生黑色汞沉淀，严重影响测定。
The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method.
亲银细胞有能力，直接地，不靠外加试剂，将银液中的银还原为一种不溶性的黑色金属银沉淀的细胞称为亲银细胞。
Cells that have the ability to directly reduce silver solution producing an insoluble black metallic silver precipitate are termed-angentaffin cells).
碱性磷酸酶染色：细胞诱导培养第3代后可见胞质内有大量灰黑色颗粒或块状沉淀，呈现碱性磷酸酶染色阳性。
Alkaline phosphatase staining: After the 3rd generation culture, there was a large amount of gray-black granule or block deposit, which showed positive alkaline phosphatase staining.
低度茅台酒生产中产生的主要沉淀为：可逆性的白色絮状沉淀、黑色细颗粒沉淀和灰白色絮状沉淀。
The precipitate in low-alcohol Maotai Liquor mainly include reversible white floc, black fine solids precipitation, and gray floc.
功效：含美肌亮白精华，能有效抗氧化，减少色素沉淀，阻止黑色素形成并帮助均匀肤色。
Efficiency: Contain whitening and shining essences, effectively resist oxidation, reduce melanin deposit, inhibit the formulation of melanin, and assist to fade irregular tone.
翰·里德的专横霸道、他姐妹的高傲冷漠、他母亲的厌恶、仆人们的偏心，像一口混沌的水井中黑色的沉淀物，一古脑儿泛起在我烦恼不安的心头。
All John Reed's violent tyrannies, all his sisters' proud indifference, all his mother's aversion, all the servants' partiality, turned up in my disturbed mind like a dark deposit in a turbid well.
针对沉淀的顽固黑色素，深入肌肤底层，强力分解黑色素，击退、淡化面部色斑，重现净白无瑕美肌；
Precipitation for the intransigence of melanoma, skin bottom depth, strength decomposition of melanoma, repulse and dilute the face, prevention and reproducible Whitening Source flawless Meiji;
羊胎盘素，富含细胞成长因子及抗老化因子，具活化细胞及防止黑色素沉淀，保持皮肤柔细及美白效果。
Placenta Extract contains a growth factor and resisting age factor, which stimulates the skin and prevent pigmentation to retain softness and whiteness.
羊胎盘素，富含细胞成长因子及抗老化因子，具活化细胞及防止黑色素沉淀，保持皮肤柔细及美白效果。
Placenta Extract contains a growth factor and resisting age factor, which stimulates the skin and prevent pigmentation to retain softness and whiteness.
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