| 1. | Pure substance normally have sharp melting points .
纯质在正常情况下有鲜明的熔点。 |
| 2. | The star indicates a property of a pure substance or a collection of pure substances .
星号表示纯物质或纯物质集合的性质。 |
| 3. | Calculation of vaporization - heat of pure substances by using thermal pressure
应用热压计算纯物质的汽化热 |
| 4. | Raised to serve the lich king as a banshee , she desired to become pure substance once more
在被巫妖王复活成女妖之后，她决定为自己寻找新的躯体。 |
| 5. | Therefore , it shows that mixture replacing pure substance has advantage of energy savings in low temperature environment
显示了混合工质替代纯质在低温工况下的节能优势。 |
| 6. | This article points out a misconception in physical chemistry " the value of gibbs function is equal when binary system of pure substance is in phase balance "
摘要指出了“单元复相系平衡状态时，两相中的吉布斯函数值相等”说法的错误。 |
| 7. | It is proved that variable capacity of mixture has obvious advantages comparing to limitative composition systems of pure substance and mixture , and it is a feasible method by controlling low pressure , which can be used to vary mixture composition . 4
得出相对于纯质和定比例混合工质系统而言，变浓度混合工质系统具有明显的优势，以及采用吸气压力控制法来改变混合工质的浓度配比是可行的。 |
| 8. | All data indicated that f i was a pure substance . third , using modern analytic techniques such as nucleic magnetic resonance ( nmr ) , infrared spectroscopy ( ir ) , ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ) , we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ) . we estimated primarily it was a novel natural compound
第三，利用核磁共振，红外光谱，紫外分析，质谱等现代分析测试技术对分离提取物f进行结构鉴定，解析出f的结构，初步推断该物质为邻苯二甲酸- ( 3 -甲基)壬酯( pdne ) ，根据目前所掌握的资料，还没有检索到该物质相关的报道，初步认定为一种新型的天然产物。 |
