The existence of the organic matter leads to the soil high plasticity, high contractility, high compressibility, low permeation coefficient and low strengths.
有机质的存在会引起土的高塑性、高收缩性、高压缩性、低渗透性和低强度。
Conclusion the cardiac reserve at high altitude is mainly cardiac contractility reserve rather than heart rate reserve.
结论高原低氧环境下心脏储备主要是心肌收缩能力储备而不是心率储备。
Aim: Studied the effect of aerobic exercise of different intensity on lipoprotein, hormone and myocardial contractility in SD rats. Methods: Contents of plasma high-density lipoprotein (HDL).
该研究目的在于研究不同强度有氧运动对机体脂蛋白、激素和心肌收缩能力的变化及其相互关系。
Aim: Studied the effect of aerobic exercise of different intensity on lipoprotein, hormone and myocardial contractility in SD rats. Methods: Contents of plasma high-density lipoprotein (HDL).
该研究目的在于研究不同强度有氧运动对机体脂蛋白、激素和心肌收缩能力的变化及其相互关系。
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