由于马氏体这一淬硬钢主要成分的不稳定性，使得回火成为可能。
Tempering is possible because of the instability of the martensite, the principal constituent of hardened steel.
但目前由于纯鲜牛奶的质量不稳定，其营养成分也就不可靠了。
However, pure fresh milk as a result of the quality of instability, its nutrient composition is not unreliable.
但目前由于纯鲜牛奶的质量不稳定，其营养成分也就不可靠了。
But pure fresh milk as a result of the quality of instability, and its nutrient composition is not unreliable.
与静脉内超声相比，CT无法像静脉内超声一样确定斑块的成分，尤其是在决定哪些斑块是不稳定性斑块方面。
In comparison to IVUS, CT cannot ascertain the composition of the plaque as well as IVUS, especially for defining lesions that are likely to rupture, they explained.
由于城市有机生活垃圾成分的复杂性和厌氧消化的限速步骤的影响，导致厌氧发酵的速度比较缓慢、产气量较少和工艺不稳定等问题。
The organic fraction of municipal solid waste (OFMSW) is composed of various substance and its limiting step of anaerobic digestion resulting in reducing biogas production and process stabilization.
我国城市垃圾有热值低、成分不稳定等特点，因而按常规方法不易点火和稳定燃烧。
As a result of low heating value and unsteady component, ignition and combustion of Municipal Solid Waste (MSW) are difficult using conventional methods.
造成硅溶胶精铸蜡件与铸件不稳定的关键因素是回收蜡成分不稳定。
Key influential factor of causing the dimensional instability of wax pattern and casting for investment casting is the instability of component of reclaimed wax.
易破裂的不稳定性斑块中细胞外基质成分减少，斑块的纤维帽较薄，在外力的作用下易于破裂。
Unstable plaque which is vulnerable and prone to rupture has a thin fibrous cap with reduced extracellular matrix.
结果表明：生产中化学成分及工艺的不稳定是组织缺陷产生的主要原因；
The results indicate that the instability of chemical composition and technological process results in the defects.
留意储存以下四样食品的期限。因为：某些营养成分无论是暴露在氧气中(通过空气)，或是热气中(来自煮食)和光之中都变得不稳定。
Keep track of how long you store these 4 items. Here's why: certain nutrients are unstable when exposed to oxygen (from the air), heat (from cooking) and light.
留意储存以下四样食品的期限。因为：某些营养成分无论是暴露在氧气中(通过空气)，或是热气中(来自煮食)和光之中都变得不稳定。
Keep track of how long you store these 4 items. Here's why: certain nutrients are unstable when exposed to oxygen (from the air), heat (from cooking) and light.
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