| 1. | By tracing the fate of the radioactivity within a living organism, one can learn the normal pathway of this carbon compound in that organism . 通过追踪放射性在活体内的去向,人们能得知这种碳化合物在体内正常的途径。 |
| 2. | The bacteria fed initially on various carbon compounds 细菌最初靠著不同的碳化合物存活。 |
| 3. | The resulting brew of carbon compounds and ions is thus rather complex 最后调制出的碳化合物、碳离子溶液因而变得很复杂。 |
| 4. | Nuclear energy - determination of carbon compounds and fluorides in uranium hexafluoride infrared spectrometry 核能.红外线光谱法测定六氟化铀中炭化合物和氟化物 |
| 5. | One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites 地球外存在生命的理论是根据陨星上存在碳化合物这一事实得出的。 |
| 6. | A device for burning or chemically altering unburned or partially burned carbon compounds in exhaust gases 排气后燃器用以充分燃烧或从化学上改变废气中未完全燃烧或部分燃烧的含碳化合物的设备 |
| 7. | The organic chemistry is a subject of study the structures , properties , synthesis , reaction the mechanism of organic compound and the changes of carbon compounds of mutually 有机化学是研究有机化合物的结构、性质、合成、反应机理和碳化合物间相互转变的一门学科。 |
| 8. | Studies of the carbon compounds in meteorites show that amino acid , the basic component of proteins and our dna , is falling on the earth every day from space 科学家在研究陨石的碳化合物时,发现每天都从太空落到地球的陨石,竟然包含了组成蛋白质和我们身上dna的基本成份氨基酸! |
| 9. | This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds , ( 2 ) interactions with metal oxides and soil mineral surfaces , ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection , and ( 4 ) biological mechanisms , mainly the direct contributions of soil organisms themselves 土壤有机碳的稳定机制主要包括: ( 1 )有机碳的难降解性; ( 2 )金属氧化物和粘土矿物与有机碳的相互作用; ( 3 )土壤团聚体的物理保护导致的生物与有机碳空间隔离; ( 4 )土壤生物学机制,主要指土壤生物自身对有机碳稳定性的直接贡献。 |