母质的

Result Under the same climate and rock condition, the distribution of the soil organic matter and N, P, K changed congruously in the soil section. Moreover, soil nutriens were accumulated more intensively in the surface soil.

结果］在同一气候和母质条件下，针阔混交林次生演替群落中土壤有机质与氮、磷、钾等在剖面分布上的变化趋于一致，且在表层土壤中养分积累作用明显，与凋落物-土壤的分解吸收作用有关。

The last chapter presented the review on the some kinds of fission technique of mass spectrometry.

第四部分综述了应用在质谱上的各类母离子的碎裂技术。

Retene, dehydroabietin, and 1, 2 ,3 ,4-tetrahydroretene have been identified by GC-MS in extractable aromatic hydrocarbon fractions produced by pyrolysis at 200 and 300 °C of pure strains of the green alga Chlorella protothecoides and the Cyanobacterium Syne-chocystis sp.

在藻类热模拟产物中发现惹烯的存在，提示在解释油气藏的生物母质来源时必须特别谨慎。

Previous studies have showed that bicyclic alkanes and MMAs biomarkers in sediment are related to the parent material import of Botryococcus braunii.

前人研究表明，葡萄藻可能是地质体中两环倍半萜和单甲基支链烷烃的重要母质来源。

Firstly, powder was made out of the 19 samples respectively by pounding, abrading and screening and became what I Call the parent materials manufacturing soil'.

人造土壤的制作过程分三步进行。第一步将19个样品分别捣碎、研磨、筛选制成粉末，我称它们为&造土母质&。

The impact of land use and soil parent on the soil carbonates content is significant.

成土母质和土地利用方式对土壤碳酸盐含量有明显的影响。

Soil erosion is defined as the course of destroying, denudating, moving and depositing of soil and other substances on the ground, under the actions of hydraulic forces, wind, gravity and freeze-thaw.

土壤侵蚀是指在水力、风力、重力、冻融以及其它外营力作用下土壤、土壤母质及其它地面组成物质如岩屑、松散岩层等，被破坏、剥蚀、运转、沉积的过程。

The size of the particles depends in part on the parent rock and how it weathers.

这些分子的大小部分取决于其母质岩石性质和风化程度。

There were 75 soil series of covering different landforms,Parent material,soil types in Hubei Province are identified,which belong to 55 subgroups,36 great groups,17 suborders and 10 orders according to Chinese Soil Taxonomy.

以《中国土壤系统分类》以及《土壤基层分类试用方案》为准则，以特征土层为土系主要划分依据，建立了覆盖湖北省不同地貌、母质、土壤类型共75个土系，归属于《中国土壤系统分类》的55个亚类，36个土类，17个亚纲，10个土纲。

From kerogen and the whole rock respectively 5.6 folds and 1..7 folds (comparing to the condition that no sulphur exists in the oil shale). 3. Sulphur can greatly promote the productivity of liquid hydrocarbon under the condition of middle-low temperature.

在中低温度下单质硫可以大幅度提高生烃母质液态烃产率。300℃时可使干酪根和全样的饱和烃产率分别提高8.1倍和1.5倍，芳烃产率分别提高12.7倍和2.1倍。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失