木质纤维素的结构导致其不易降解。
The structure of lignocellulose makes it hard to be degraded.
POP不易降解，可以长期完整地存在于环境中。
POPs do not degrade easily, but remain intact in the environment for long periods of time.
严格控制向海域排放含有不易降解的有机物和重金属的废水。
The discharge of waste water containing persistent organic matters and waste water containing heavy metals shall be strictly controlled.
一般情况下多数不易降解，易富集，研究其降解具有重要的意义。
Their degradation pathway: biodegradation and photolysis in particular, was studied and the importance of the degradation studies underscored.
“白色污染”有什么危害塑料是高分子聚合物，不易降解，需数百年才能分解。
What "does the white pollution" have harms the plastic is the high polymer, is not easy to degrade, needs several hundred years only then can decompose.
表达产物以不溶性包涵体形式存在，此包涵体蛋白不易降解，经处理得到初步纯化的蛋白质。
It was proved that the expressed proteins were insoluble and existed in the form of inclusion body. Primary purified protein was obtained.
有机含硫芳烃化合物（PASH）性质稳定，不易降解，毒性极强，具有潜在的危害特征。
The polycyclic aromatic sulfur heterocycles (PASH) in the environment is characteristic as the stable nature, not easy to be degraded, strong toxic and potential danger.
第二，当外出时，我们可以步行或骑自行车来代替汽车。 第三，我们不应使用不易降解的塑料袋。
Second, when we go out we can walk or ride a bike instead of by car.
有机助剂生产过程中产生的工业废水，其有机物浓度高、毒性大、不易降解，废水的BOD/COD约为0 1。
The organic matter in the industrial wastewater resulted from the organic assistant process is high. The toxic matter in the wastewater is strong.
塑料是人类发明的最不易破坏的物质之一，虽然它最终可以降解，但却需要一千多年的时间。
Plastic, one of the most indestructible of manufactured materials, does in fact eventually decompose.
PVA虽上浆性能优良，但不易生物降解，严重污染环境。
Through PVA is excellent size, it is difficult to biodegrade and pollutes environment.
由于鸡粪中含有胆固醇、雌激素等类固醇化合物，而这类化合物能够对人体造成危害，且在环境中不易被降解，因此有必要对鸡粪进行处理，米减少对环境的污染。
Because chicken feces contain steroids such as cholesterol and estrogen that are difficultly degraded in the environment and can hurt human, it is necessary to treat with them to reduce the pollution.
PVA浆料虽是一种性能优良的浆料，但其不易生物降解，对环境污染大。
Although PVA size has excellent properties, it causes serious pollution to the environment.
研究表明，它不仅具有良好的脱脂去垢作用、缓蚀作用，而且具有较好的生物降解性，不易对环境造成污染。
The research showed that the GUH-1 not only has excellent derosination, detergency and corrosion delaying, but also has better biodegradability which has little pollution to the environment.
研究表明，它不仅具有良好的脱脂去垢作用、缓蚀作用，而且具有较好的生物降解性，不易对环境造成污染。
The research showed that the GUH-1 not only has excellent derosination, detergency and corrosion delaying, but also has better biodegradability which has little pollution to the environment.
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