The plain step lands is chief area of cultivated land and production grain in China.

We have expanded the machine-ploughed area to 90 per cent of the cultivated land.

我们把机耕面积扩大到了耕地的百分之九十.

There is potential for increasing the yield per unit area on the existing cultivated land.

　　——提高现有耕地单位面积产量有潜力.

We transformed the wilderness into cultivated land.

我们变荒原为耕地.

There could be 94 million mu of cultivated land.

有尚可开垦的荒地94万亩.

Protecting cultivated land is always the foundation for increased grain production.

　　保护耕地始终是增产粮食的基础.

The soil texture of this cultivated land is extremely good.

这几亩耕田的土质极好.

-- There is potential for increasing the yield per unit area on the existing cultivated land.

-- 提高现有耕地单位面积产量有潜力.

We saw fields and cultivated land everywhere.

我们看见到处是田畴和耕地.

Cultivated soil-forming parent material is mainly slope sediments , fluvial and alluvial materials.

耕地成土母质主要是坡积物 、 洪积物和冲积物.

The term is derived from the words cultivated variety.

这个词来源于栽培的变种.

Treatment for D-sodium ascorbate industrial wastewater by combined biotechnology

组合生物技术处理D-抗坏血酸钠工业废水

During synthesizing vitamin C, the conversion process from sodium ascorbate to vitamin C is an important step.

在维生素C的生产过程中，维生素C钠到维生素C的转化是一重要步骤。

Effects of Allium macrostemon on Rat Serum Ascorbate Free Radical and Serum Chemiluminescence

薤白对大鼠血清抗坏血酸自由基和血清发光的影响

Several observations led the NIH researchers to revisit ascorbate as a cancer therapy.

若干个观测结果使得NIH重新审视维生素C用于肿瘤治疗这一设想。

Correlation between ascorbate content and activities of related enzymes and cold tolerance of conifers were also reported.

文中还报告了沈阳几种针叶树抗寒性和针叶中抗坏血酸含量及上述4种酶活性之间的相关关系。

The Study of Sodium Ascorbate' Effects on Pig-blood

对猪血品质影响的研究

The labeling yield is about 45% using sodium ascorbate as reductant;

采用抗坏血酸钠为还原剂时，标记率为45%；

This study put forward reconstructive scheme for the conversion process of sodium ascorbate according to the results of the experiment.

根据实验结果，本文对本厂原有的维生素C钠转化工艺提出了改造方案。

For maintenance of the antioxidative activity of ascorbate, its regeneration is necessary.

为了维持抗坏血酸的抗氧化活力，它的再生就显得尤为重要。

Effect of fertilizer activating agent on the ascorbate glutathione cycle and potassium content in tobacco leaves

肥料吸收活化剂对烟叶抗坏血酸谷胱甘肽循环系统及钾含量的影响