the research on the nonlinear harvest strategy of renewable resources

optimal harvest strategy for discrete competing ecosystem

离散的竞争生态系统的最优捕获策略

the determination of cotton soil moisture with neutron probe

利用中子水分仪测定棉田土壤水分含量

calibration experiments of soil moisture by the methods of time domain reflectometry and neutron probe

时域反射仪与中子仪测定土壤含水量标定试验研究

calibration study of the determination of cotton soil moisture with neutron probe

中子水分仪测定棉田土壤含水量的标定研究

calibration study of the determination of alfalfa soil moisture with neutron probe

中子仪测定苜蓿田土壤含水量的标定研究

export of fruit preserves: jams, marmalade, fruit paste and others such as chunky pie and desert apple.

生产水果加工品，例如：果酱、桔子酱、果泥以及其他甜品例如水果派等。

mix 5 tablespoons of coconut paste with both mango and dragon fruit paste, separately.

芒果酱、龙珠果酱两者再各别加入5汤匙椰子肉酱搅拌；

a research on the quantitative method of the qualitative variable in the soft systematic method

软系统方法中定性变量的量化方法研究

the results show that the largest ground impact forces is produced on the second jump;

研究表明：三跳最大的地面冲击力是在第二跳；

the study on the determination of the optical purity of permethrinic acid by capillary gas phase chromatography

二氯菊酸光学纯度的毛细管气相色谱法测定研究

measurement levulinic acid in soy sauce by gas phase chromatography

顶空进样气相色谱法测定酱油中乙酰丙酸

gas phase chromatography determining the nitrobenzene in the water of dalian river

气相色谱法测定达连河水中的硝基苯

dha detection of nutritional substance of epa and dha from puffer fish by gas phase chromatography

气相色谱法测定河豚鱼中营养物质EPA与

determine thing of benzene department of water quality by capillary column gas phase chromatography

二硫化碳萃取毛细管柱气相色谱法测定水质的苯系物

optimizing detection conditions of gas phase chromatography of fenvalerate

优化氰戊菊酯气相色谱检测条件的研究

detecting content of trace mma from composite materials of artificial skull with gas phase chromatography method

人工颅骨用复合材料中微量甲基丙烯酸甲酯的气相色谱法测定

application of gas phase chromatography in ethylbenzene dehydrogenation

气相色谱在乙苯脱氢实验中的应用

discussion on the determination of several organic phosphorus insecticides in vegetables by using capillary gas-phase chromatography

毛细管气相色谱检测蔬菜中多种有机磷农药方法的探讨

detection of benzoic poisons from the air in working places with capillary tube gas phase chromatography

毛细管柱气相色谱法测定工作场所空气中的苯系毒物

horizontal road marking. markings applied on the roads. analysis of alkyd resins by gas phase chromatography.

路面横标记.道路上使用的标记.用气相色谱法对醇酸树脂的分析