The results showed that mannitol concentrations and the digestion time had extremely significant influences on the yield of protoplasts.

Results: The concentration of collagenase and digestion time were important factors for efficacious isolation of islets.

结果：胶原酶浓度、消化时间对胰岛分离结果有重要影响。

The influence of digestion time, digestion pressure on analytical results was discussed.

采用微波消解法消解污水，讨论了消解时间和压力对消解效果的影响。

Study on optimal digestion time during protein determination

蛋白质测定中消化液澄清后适宜消化时间的探讨

This method has the advantages of short digestion time, clear digestion end point, simple operation and reproducible results.

该法具有消化时间短，消化终点易于掌握，操作简便，结果稳定等优点。

Effects of mass concentration and enzyme digestion time on isolation of rat islet cells

胶原酶消化时间及质量浓度对大鼠胰岛细胞分离的影响

The technical difficulty is accurately controlling the low-pressure rotor speed through adjusting nozzle throat area.

技术难点在于通过调节喷管喉道面积,精确控制发动机低压转子转速.

Our sales have been dropping for months, so we are now in great financial difficulty.

我们的销售业绩下降数月, 所以正处于极大的财务困难中.

Edward: I buy companies that are in financial difficulty.

爱德华: 我买那些有财务困难的公司.

In times of economic difficulty, there is no better investment.

在经济困难时期, 这就是最好的投资.

She spoke with difficulty, choking back more tears.

她把更多的泪水抽抽噎噎地忍回去,话都讲不上来.

Will cleared his throat and read slowly and with difficulty.

威尔清了清嗓子,缓慢而艰涩地念起来.

Using serum bottle as batch reactors and calcium acetate as substrate, the stimulations of trace metals Fe, Co, Ni on the methanogens were studied. The results showed that a supplement of trace metals to the anaerobic system could effectively shorten the digestion period.

本文以血清瓶为反应器，以醋酸钙为基质，通过厌氧批量试验从动力学的角度研究了微量金属元素Fe、Co、Ni对甲烷菌的激活作用。

At present, we over-focus on stock prices brought about by the loss, in fact, prices of raw materials for Chinese enterprises is a good opportunity is in the throes of inventory digestion period.

目前大家过分关注于存货跌价带来的损失上，其实原料价格暴跌对于中国企业更是一个很好的机会，目前正处于消化存货的阵痛期。

The delignification rates in CML and CC are much faster than those in S all through the digestion period during bamboo NaOH-AQ pulping.

青篱竹烧碱-蒽醌法蒸煮时，在整个蒸煮过程中，CML和CC的脱木素速率稍大干S的脱木素速率。

But owing to over lasting digestion period and less biogas yield in unforced digestion, its economic benefit was reduced in industrialization.

但由于采用自然发酵，周期过长，产气量少，在工业化生产中影响经济效益。

The State made a clear decision to turn all non-state employed teachers into state employed teachers, so the period was called "digestion period".

国度明白划定到20世纪末消化所有及格民办教师，所以把这一段时光称为民办教师的“消化期”。

Installation and Control of Methane Safety Utilization System for Anaerobic Sludge Digestion Process

污泥厌氧消化沼气安全系统的设置及控制研究

The research advance and trend analysis on aerobic sludge digestion

污泥好氧消化的研究现状及发展趋势

Test of sludge digestion process for treatment of printing ink wastewater

利用污泥消化过程处理油墨废水试验

Their crystal structures were usually characterized by the X-ray diffraction instrument.

人们一般常用 X 射线单晶衍射仪表征它的晶体结构.