The kinetics of the isomerization of D-glucose and D-fructose was studied on the immobilized enzyme.
用国产异构化酶在固定床中研究了D -葡萄糖与D -果糖异构化反应动力学。
OBJECTIVE: to observe the clinical effect of 5% D-fructose injectio on energy supply in surgery patients.
目的：观察5%果糖注射液用于手术患者能量供应的临床疗效。
Thus, the simplest ketose, HOCH2-C:O-CH2OH, is a triulose; the most common ketose, D-fructose (levulose), is a hexlose.
这样，最简单的酮糖HOCH 2 -C：O-CH 2 OH即为triulose（丙酮糖）；最常见得酮糖D-果糖（左旋糖）即为hexulose（己酮糖）。
Explain why an equimolar mixture of D-glucose and D-fructose formed by hydrolysis of sucrose is called invert sugar in the food industry.
解释为什么蔗糖水解产生的D -葡萄糖和D -果糖等摩尔的混合物在食品工业上称为转化糖？
On a molecular level, D-tagatose is structurally identical to D-fructose, except for an inversion of the hydroxyl and hydrogen groups at the fourth carbon atom.
塔格糖是果糖的“差向异构体”，在分子水平上，除了第四个碳原子上的羟基和氢基团倒置外，D -塔格糖与D -果糖的结构是一样的。
Chiral ketone 4 derived from D-(-)-fructose was obtained by four steps reaction including protection with acetone, oxidation, deprotection selectively and trifluroacetylation.
以D-（-）-果糖为手性源，经过丙酮保护、氧化、选择性脱保护、三氟酰化四步反应得到手性酮4。
METHODS: By setting 5% glucose injectio as control, the influence of 5% D- fructose injectio on blood sugar level, liver and kidney function indices was detected.
方法：以5％葡萄糖注射液为对照，观察5％果糖注射液对手术患者的血糖水平和肝、肾功能等指标的影响。
METHODS: By setting 5% glucose injectio as control, the influence of 5% D- fructose injectio on blood sugar level, liver and kidney function indices was detected.
方法：以5％葡萄糖注射液为对照，观察5％果糖注射液对手术患者的血糖水平和肝、肾功能等指标的影响。
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