It's titration end-point when the colour of the solution appeared light orange-red and didn't fad in thirty seconds.
甲醛法测定铵盐中的氮,由于在同一溶液中,实际使用了甲基红和酚酞两种指示剂,在以NaOH为标准溶液的滴定过程中,应注意溶液中的两种指示剂颜色的变化过程,当溶液呈现微橙红色并保持30s不褪色才为滴定终点。
Effects of DMSO Treatment on Changes of Dominant Pigments and Sugar Concentration in Peel of Cara Cara Navel Orange;
DMSO处理对红肉脐橙果皮主要色素和糖含量变化的影响
Effects of DMSO Treatment on Changes of Dominant Pigments and Sugar Concentration in Flesh of Cara Cara Navel Orange and Their Correlation;
DMSO处理对红肉脐橙果肉主要色素和糖含量变化的影响及其相关性
Effects of exogenous ABA and GA_3 on sugar concentration in flesh of Cara Cara Navel Orange;
外源脱落酸和赤霉素对红肉脐橙果肉糖含量的影响
A moderate, light, or strong yellowish pink to a moderate reddish orange or light orange.
橙红色中等、强或轻微或深黄色粉红至中等红橙或淡橙色
Red, orange, yellow, green,
红色，橙色，黄色，绿色，
warm reds and yellows and orange.
暖暖的红色、橙色和黄色。
a deep orange-red variety of chalcedony.
一种深橙红色的玉髓。
Red grades into orange.
红色逐渐变成橙色。
Red, orange, green and purple are all colours.
红、 橙、 绿、 紫都是颜色.
Of a deep or strong pink to moderate red or reddish orange.
珊瑚红的从暗粉红色到红色或橙红色的
of a vivid red to reddish-orange color.
指介于鲜红到橙红之间的颜色。
why green leaves change to bright red, yellow, or orange.
为什么树叶会由绿变红，变黄，或者变橙。
Other colors being studied include red, blue, yellow, gray, and orange.
红、、、和橙等颜色膜也正在研究中。
B： Yeah. Red leaves, yellow leaves, orange and brown.
耶！红树叶，黄树叶，橙树叶和棕树叶。
Lady beetles are red, orange or black.
瓢虫的体色分为红色，橙色或黑色几种。
A brownish orange.
橙红一种略带棕色的黄色
a translucent red or orange variety of chalcedony.
一种半透明的红色或橙色玉髓。
His comb was as red as fire, and his feathers were as yellow as gold.
他的鸡冠鲜红似火，羽毛橙黄如金。
to mix red and yellow to make orange
把红色与黄色混合调成橙色
The warm colours are red, orange and yellow.
暖色是指红色、橙色和黄色，
If you mix red and yellow, you get orange.
把红色和黄色混在一起就是橙色.