This paper gives a research on the bubbles and porosity in solid cement stone in detail.

Resistance to flow may be high enough to cause microvoids and porosity.

流动阻力可能太高,从而导致微孔和多孔.

This quantity describes the retention of particles in a porous substance.

这个参数描述阻留在多孔体中的微粒量.

Hygrometers based on porous materials are neither accurate nor quick response.

以多孔材料作成的湿度计既不准确,响应又慢.

The water slowly drained away, down through the porous soil.

水慢慢流走了，渗入了疏松的土壤。

Experiments with the porous plate exhibIt'somewhat less scatter in the results.

用多孔板所得的实验结果则显得散布程度小些.

He added sand to the soil to make it more porous.

他往土里掺沙子以提高渗水性能.

Most soils and rocks are porous.

大部分土壤和岩石都是多孔的.

The soil is porous.

土质疏松.

This is the porphyria, a rare genetic disease.

这就是卟啉症了, 一种罕见的遗传疾病.

The porphyrin chemistry is one of the most important areas of modern chemistry.

卟啉化合物的合成及应用是现代化学重要的研究之一.

Porphyrin and its derivatives were excellent organic semiconductor materials and theyreceived considerable attention in recent years.

卟啉及其衍生物是一类具有优良的光电性能的有机半导体材料,引起人们广泛的关注.

Applications of porphyrin in fluorophotometric analysis are reviewed. It presented with 67 references.

总结了卟啉类试剂在荧光光度分析中的应用情况,引用文献67篇.

The porphyrin chemistry is one of the most important research areas of modern chemistry.

卟啉化学是现代化学领域中重要的研究分支之一.

The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.

此外,荧光强度还与卟啉的苯环上取代基的取代位置有关.

Synthesis and OLEDs in Investigation of Red Color Electroluminescent Porphyrin Complexes.

稀土及铅镉卟啉配合物的制备分离和性质研究.

Each of living organisms are full of pigment porphyrin.

每个活生物体都饱含卟啉色素.

Tongling quartz-vein type deposit lies in south-east Rushan , Shandong Province, within the Sanfushan porphyritic adamellite body.

铜岭金矿位于山东省乳山市东南部, 产在三佛山斑状二长花岗岩中, 为含金石英脉型金矿.

The fine-grained crystalline base of porphyritic rock in which larger crystals are embedded.

纹理细密的水晶质矿物的基岩,其中嵌有大粒水晶.

The deposit is a structure zone porphyry alteration type gold deposit.

矿床为构造破碎斑岩蚀变型金矿床.

The Yichun Luming molybdenum ore is a big porphyry deposits.

伊春鹿鸣钼矿为大型斑岩型矿床.