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MCPA

  • abbr.〈通〉2甲4氯;清雷计划局(Mine Clearance Planning Agency)
MCPAMCPA
  1. Controlling Effect of Herbicide MCPA on the Growth of Wheat Seedlings

    MCPA对小麦幼苗生长及生理性状的影响

  2. Experimental study on the acute toxicity and subchronic toxicity of MCPA in rats

    2-甲-4-氯原药的急性和亚慢性毒性实验研究

  3. MCPA Residue in Maize Plant , Grain and Soil

    2-甲基-4-氯苯氧乙酸在玉米植株、籽粒和土壤中的残留

  4. HPLC analysis of a sulcotrione · MCPA 25 % SL

    25%磺草酮·2甲4氯水剂高效液相色谱分析

  5. The degradation trends of MCPA , 2,4 D and nitrofen in soils under the simulated conditions in the laboratory was performed .

    在室内模拟条件下研究了2甲4氯、2,4-D和除草醚在土壤中的降解动态。

  6. The results show that MCPA can be degraded in atmosphere and is not feasible to cause wide-spreading and persisting pollution through long range atmospheric transport .

    结果表明,在大气环境中MCPA较容易降解,不会通过大气输送对环境造成广泛和持久性污染。

  7. The result indicated that , 2,4-D butylate and carbamide , MCPA and carbamide were mixed using in wheat field between return green period and draw blur period .

    试验结果表明:2,4-D丁酯与尿素和2甲4氯与尿素在冬小麦返青、拔节期间合理混施,不仅可以促进小麦生长发育,改善农艺性状,提高小麦产量,且对杂草有良好的防除效果。

  8. This paper has studied the effect on mechanical properties of 3D-braided Kevlar fiber reinforced polyamide ( K 3D / MCPA ) after Kevlar fiber radiated using γ - ray .

    本文研究了γ-射线辐照处理对三维编织芳纶纤维增强铸型尼龙(简称K3D/MCPA)复合材料力学性能的影响。

  9. The economically rational dosage of MCPA is set as 3000 ~ 4500g / hm2 . The lawn weeds can be effectively control at 2 ~ 4 applications annually .

    提出了二甲四氯每次经济有效的用量为3000~4500g/hm2,每年施用2~4次,基本可以控制杂草。

  10. Tribological properties , wear mechanism and the influence of carbon fiber to mechanical properties of continuous carbon fiber-reinforced monomer casting ( MC ) nylon ( CCF / MCPA for short ) were investigated .

    研究了碳纤维对CCF/MCPA力学性能的影响以及CCF/MCPA的摩擦学性能和磨损机制。

  11. Wear rate of 3-D carbon / Kevlar hybrid fiber reinforced MCPA ( HF / MCPA ) composites decreases with the increase of the carbon fiber volume fraction , but its friction coefficient has no significant change .

    三维编织C纤维/芳纶纤维混杂增强铸型尼龙(简称HF/MCPA)复合材料中随C纤维相对体积比的提高,磨损率下降而摩擦系数变化不大。

  12. The results show that K 3D / MCPA composite has excellent impact properties , and the impact strength increase with increasing of the fibre volume fraction . The impact strength improves much more than those of C 3D / MCPA composites and MCPA .

    研究表明,K3DMCPA复合材料有优异的抗冲击性能,冲击强度比三维编织芳纶纤维增强铸性尼龙(简称C3DMCPA)和纯基体均有大幅度的提高,且随着纤维体积的提高而升高。

  13. The shear strength of K 3D / MCPA increases with increasing of the fibre volume fraction . K 3D / MCPA 's lengthways shear strength is lower than those of MCPA and C 3D / MCPA composites , but it 's transverse shear strength is higher than those .

    K3DMCPA复合材料剪切强度随纤维体积比的增大而增大,其纵向剪切强度低于纯基体和C3DMCPA复合材料,但其横向剪切强度高于它们。