black photo paper,black positive paper是什么意思

网络释义

用法例句

Modification of cotton fabric and its dyeing with black reactive dyes;

改性剂预处理棉织物的黑色活性染料染色

Studied on CaO -Al_2O_3 -SiO_2 system black decorated glass-ceramics;

CaO-Al_2O_3-SiO_2系黑色装饰微晶玻璃的研究

Research on engineering characteristics of greyblack-black clay in Jining and Yanzhou regions;

济宁、兖州地区灰黑色-黑色黏土工程特性研究

The Qiongzhusi Formation black shale series of the Deze area are located in the western part of the Lower Cambrian black shale zone widely distributed along the southern margin of the Yangtze block,SW China.

云南省德泽地区筇竹寺组黑色岩系位于扬子陆块南缘下寒武统黑色页岩分布带的西端,不同于该带中段湘黔地区的牛蹄塘组,它发育有两个多金属富集层位,其中,石岩头段黑色碳质粉砂岩底部富集V、U、Ag和Pd,玉案山段黑色页岩底部富集Mo、Ni、Pt和Pd。

The presenting of black shale series reflects abrupt environmental events,which formed many important ore hosting rock series.

黑色岩系的形成反映了环境的突变事件,构成了许多重要矿床的赋矿岩系。

People have paid great attention to the “many elements-enriched event” in the Lower Cambrian black shale series in south China.

华南下寒武统黑色岩系“多元素富集事件”受世人瞩目。

Characteristics of sulphur species and ore genesis model of Ni-Mo polymetallic deposit in the Lower Cambrian black shale in Zunyi,Guizhou Province;

贵州遵义下寒武统黑色页岩镍、钼多金属矿床的形态硫特征及成矿模式

Re-Os isotope tracing and dating of black shales and oceanic anoxic events;

黑色页岩与大洋缺氧事件的Re-Os同位素示踪与定年研究

Cretaceous black shale and dissolved oxygen content--- A case study in southern Tibet;

白垩纪黑色页岩与海水含氧量变化——以西藏南部为例