MCPA

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

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

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

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

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。

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。

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。

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。

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。

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。

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。

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。

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。