Conclusion the direct acting mutagens in soluble organic fraction (SOF) of diesel exhaust particulates could remarkably damage the DNA of cells.
结论柴油机排气微粒有机可溶成分中的直接致突变物对细胞DNA具有明显的损伤作用。
Soluble organic fraction and dry soot emissions from 6110 type diesel engine under different operating conditions are measured by vaccum volatilization and presented in the paper.
文中给出了用真空加热法测得的6110型柴油机微粒的可溶有机物和干烟的排放特性。
The organic fraction of municipal solid waste (OFMSW) is composed of various substance and its limiting step of anaerobic digestion resulting in reducing biogas production and process stabilization.
由于城市有机生活垃圾成分的复杂性和厌氧消化的限速步骤的影响，导致厌氧发酵的速度比较缓慢、产气量较少和工艺不稳定等问题。
The major components of acidic fraction are phenols and organic acids.
酸性组分主要由酚类化合物和有机羧酸组成。
The extraction efficiency of organic light-emitting diode(OLED) is restrained by the high fraction of energy of the guided wave in the high-index materials(ITO/organic).
有机发光二极管（OLED）发光效率很大程度上受到器件中高折射率材料（ITO/有机物）对导波光能量的制约。
Aryl isoprenoid compounds in the aromatic fraction of sedimentary organic matter have been regarded as a biomarker that indicates a saline and strongly reducing sedimentary environment.
芳基类异戊二烯化合物被认为是高盐和强还原沉积环境中沉积有机质芳烃馏分中的特征性生物标志物。
Experiments showed organic acid catalysis could increase TI-PS fraction content of modified pitches and the same result could be get by changing component and structure of pitches.
实验表明，有机酸催化可提高沥青ti - PS组份的含量，而改变原料沥青的组成与结构也可得到同样效果。
Said catalyst can be used for hydrodesulphurization of light oil fraction or gas containing organic sulphide, in particular, it is applicable to hydrodesulphurization of naphtha and coking dry gas.
该催化剂可用于含有机硫化物的轻油馏分或气体的加氢脱硫，特别适用于石脑油和焦化干气的加氢脱硫。
The results showed that the contents of organic matters in soil and heavy fraction were markedly increased and the agrochemical properties of Chernozem were improved by applying organic materials.
结果表明：用有机物料培肥土壤时，可以提高土壤有机质和重组有机质的含量，改善土壤的农化性质。
The feasible mass fraction of organic activation agent is 3% for hard-soluble P but 14% for water-P.
有机活化剂的用量，用于难溶性磷促释时其质量分数为3%，用于水溶性磷控释时其质量分数约为14%。
Organic acids can improve soil phosphorus availability by affecting the inorganic phosphorus fraction and mobilizing soil sparingly soluble phosphate.
有机酸通过影响土壤中无机磷组分，促进难溶性磷酸盐溶解，从而提高土壤磷的有效性。
The ratio of remaining fiber also increased with the increase of mass fraction of HEMA to make organic liquid retention ratio strengthen.
随HEMA质量分数的增加，纤维剩余率增加的同时，使纤维对甲苯和三氯乙烯的握持能力增强；
Soil microbial biomass phosphorus, the relatively active fraction of soil organic phosphorus, was often considered as a labile pool of soil available phosphorus because of its short turnover time.
土壤微生物量中的磷是土壤有机磷最为活跃的部分，由于其周转快、极易矿化为植物有效磷而成为土壤有效磷的活性库。
Light fraction organic matter is largely composed of plant residues at various stages of decomposition and a lot of microbial debris. Soil fertility varies with its changes as indicators.
轻组有机质主要是由不同分解程度的植物残体和一些微生物结构体组成，它的改变可以用来指示土壤肥力的变化。
The non-linear fraction became more significant as the organic matter content of soil increased.
随着土壤有机碳含量的增加，非线性吸附愈明显。
The species, sources and geochemistry of the fluorescent fraction of the dissolved organic matter were reviewed and discussed in this paper.
作者对海洋溶解有机物中的荧光组分即荧光溶解有机物的种类、来源、分布变化及其地球化学行为进行较为系统的评述。
The effects of organic silicon mass fraction on polymer state, mechanical properties, water resistance and yellowing resistance of siloxane-modified aliphatic polyurethane were investigated.
考察了不同有机硅含量对聚合物状态、力学性能、耐水性和耐黄变性能的影响，以及有机硅改性脂肪族聚氨酯树脂在合成革上的应用性能。
The effects of organic silicon mass fraction on polymer state, mechanical properties, water resistance and yellowing resistance of siloxane-modified aliphatic polyurethane were investigated.
考察了不同有机硅含量对聚合物状态、力学性能、耐水性和耐黄变性能的影响，以及有机硅改性脂肪族聚氨酯树脂在合成革上的应用性能。
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