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Humic substances in Ji Yun River in North China have been extracted and investigated.

提取和研究了华北蓟运河的腐殖酸，并从实验中得到了一些结论。

However,content of stably combined humic substances was reduced,and five-C sugar was apt to ...

玉米秸秆和根茬对土壤的培肥作用存在差异。

The results showed that soil organic carbon, water-soluble organic carbon and humin decreased gradually. Extracted humic substances presented an increasing trend at first and then decreased. Relative proportion of humic acid in HE decreased at first and then increased during the initial stage of corn stalk decomposition, which indicated that the formed rate of fulvic acid was faster than HA. Then PQ dropped gradually and reached stabilization, which indicated that FA and HA transformed into each other for some time and then reached balance.

研究结果表明：随着培养时间的延长，土壤有机碳、水溶性有机碳、胡敏素逐渐减少，可提取腐殖物质先增加后下降，可提取腐殖物质中胡敏酸的相对比例则在玉米秸秆分解初期表现为先减少后增加、最后趋于稳定，表明富里酸和HA经历了一段相互转化的过程后达到了动态平衡。

The results showed that: three major peaks,humuslike fluorescence peak A,proteinlike fluorescence peaks B and C appeared on the threedimensional fluorescence spectroscopy;the DOM fluorescence intensity was well related with DOC and CODMn,indicating that fluorescence dissolved organic matter content can reflect both the organic carbon content and the organic matter content by oxidation in the water in August,during the nonalgae bloom outbreak period,fluorescence intensity had a poor correlation with chlorophyll a,indicating that phytoplankton was not the main source of the fluorescent substances.

结果显示：小江回水区DOM的三维荧光光谱主要表现出3个峰，类腐殖质荧光峰A、类蛋白荧光峰B和C；DOM荧光强度与DOC、CODMn相关性较好，表明荧光溶解有机物质的含量可以较好反映水体中有机碳和可被氧化有机物的含量；在8月份非水华暴发时期荧光强度和叶绿素a相关性较差，表明DOM荧光物质主要不是由浮游植物产生。

Compared with common rice, husked rice contains more bioactive substances, such as sugar, protein, dietary fiber folic acid, creatine, vitamin B1, B2, E and thiaminoge, etc.

大米比普通米含有更多的糖类、蛋白质、膳食纤维叶酸、肌酸及维生素B1、B2、E和谷维素等生物活性物质。年供货量1.4万吨。

To achieve such a miracle, the semiconductor industry has gone to extremes , using the world's most toxic substances like arsine, hydrofluoride and the like.

7 但是，为了这种&奇迹&，半导体技术也到了无所不用其极的地步，世上最剧毒的物质如砷化氢、氟化氢等都派上了用场。

"To achieve such a miracle, the semiconductor industry has gone to extremes, using the world's most toxic substances like Arsine, Phosphine, Hydrofluoride, Hydrobromide and the like."

但是，为了这种&奇迹&，半导体技术也到了无所不用其极的地步，世上最剧毒的物质如砷烷(AsH3)、磷烷(PH3)、氟化氢、溴化氢，等一长串毒品全都用上。

To achieve such a miracle, the semiconductor industry has gone to extremes, using the world's most toxic substances like Arsine, Phosphine, Hydrofluoride, Hydrobromide and the like.

但是，为了这种&奇迹&，半导体技术也到了无所不用其极的地步，世上最剧毒的物质如砷烷（AsH3）、磷烷（PH3）、氟化氢、溴化氢，等一长串毒品全都用上，很快连同步加速器也要用上去了。

Liquid-liquid extraction of hydrophile organic solvent is a new,green,high-efficiency separation technique,which has been applied in the field of extraction of heavy metal ions and purification of biologic active substances.

亲水有机溶剂液-液萃取分离是一种绿色高效分离新体系，由于兼有工艺简单、快速高效、环境友好等特点，受到研究人员的重视。

That he was hydrophobe, hating partial contact by immersion or total by submersion in cold water,(his last bath having taken place in the month of October of the preceding year), disliking the aqueous substances of glass and crystal, distrusting aquacities of thought and language.

54他说自己患有恐水病，不论是局部浸入也罢，还是全身泡进去也罢，讨厌与冷水接触。（他是头年十月问最后一次洗澡的）；不喜欢玻璃和水晶这样的水状物质，对思维与语言的流动性也疑惑重重。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。