1. Water is the primary limiting factor for forest and grass vegetation construction in semi-acid soils of the Loess Plateau area.
水分是黄土高原半干旱区林草植被建设的主要限制因子。
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2. Objective: To compare the changes of free amino acid profile between plasma and liver after semi starvation.
目的观察比较半饥饿状态下血浆、肝脏游离氨基酸浓度的变化及其意义。
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3. We studied the fabricating method of humic acid sodium and forming process of lignite semi-coke and tested strength indexes of moulded coke of different proportioning.
研究了黏结剂腐植酸钠的制备方法及褐煤半焦成型工艺，并对不同配比的型焦作了各种强度指标测试。
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4. Mean malate, citrate and total acid content were significantly higher in freestone peach than in semi-freestone and clingstone peaches.
离核桃的苹果酸、柠檬酸及总酸的平均含量显著高于半离核和粘核。
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5. Finally, chlorogenic acid of higher purification (87.6%) is obtained with semi-preparing liquid chromatography.
最后采用半制备性液相色谱分离得绿原酸提取物，其纯度达到87.6%。
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6. The red bayberry juice with high acid content is fit for brewing semi-dry red wine.
含酸量较高的杨梅原汁比较适合酿造半干红型的杨梅果酒。
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7. Abstract N-acetylneuraminic acid certified reference material was separated by semi-preparation HPLC.
摘要采用半制备液相色谱法制备 N- 乙酰基神经氨酸标准物质。
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8. Abstract N-acetylneuraminic acid certified reference material was separated by semi-preparation HPLC.
