查询词典 saltness

The formation and propertiesof the polymer gel are constrained mainly by the polymer nature、crosslinker type and crosslinked pattern、water saltness、active impurities、pH、temperature and other factors.

其形成和性能主要受聚合物性质、交联剂类型和交联方式、水中盐度、活性杂质、pn值、温度等多方面因素的制约。

The surface activity of Hibiscus syriacus has been studied and shows thatHibiscus syriacus has good surface activity.The influence of temperature,saltness,water hardness and pH on the surface activity of its aqueous solutionsis also studied and shows little influnce.Also the mixture systems of Hibiscussyriacus with some anioic surfactants have been studied and the results show thatthe mixture systems can produce remarkable synergism.

天然表面活性植物木槿叶的应用研究本课题对天然植物原料木槿叶提取物中的表面活性物的性质(临界胶束浓度、表面张力和起泡性能)及其影响因素(温度、pH、水硬度和盐度等)进行了系统的研究，结果表明木槿叶表面活性物具有较好的表面活性，且它的cmc和〓在一定范围内受一些因素的影响也不大，是一种理想的香波原料；同时也研究了木槿叶活性物与其它温和型的阴离子表面活性剂的复配体系，表明具有明显的协同增效效果。

The organic geochemistry characteristics of source rocks and oil sands in Well Hu 41,Well Hu 83 in Huzhuangji area are studied,by which a preliminary judgement is made that the type of kerogen of Es_3 source rock is a mixed type with high maturity,and its depositional environment is saltness reduction one.

通过对胡状集地区胡41井、胡83井等烃源岩和油砂进行有机地球化学特征研究，可以初步判定胡状集地区沙三段烃源岩干酪根类型为混合型，成熟度较高，沉积环境为咸化的还原环境；沙三段原油属于成熟原油，沙二段原油属于低熟原油；沙三段原油为自生自储原油，沙二段原油与沙三段原油不同源。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。