研究了影响酯化率与成环率的主要因素，控制合适的酯化、解聚和纯化条件，得到的依诺肝素钠成品符合欧洲药典标准。
Major factors that affected the degree of esterification and 1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
对影响提取率的重要因素进行了考察，建立了最佳提取条件；通过对粗提物不同纯化条件的研究，确定了适宜的纯化方法。
The important factors affecting yield and purity of the extracts were explored, and the optimum extraction conditions and the suitable purification method for the crude extracts were established.
这是将银行贷款风险尺度过分单纯化，银行持有超出自身预算的资本也被认为是必要条件。
This is a simplistic measure of a bank's lending exposure, which can require a bank to hold more capital than its own calculations would deem necessary.
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