昆虫信息素的研究（Ⅴ）&家蝇性诱剂（Z）-9-二十三碳烯的合成
Studies on the Insect Sex Pheromones(ⅴ)& The Synthesis of the Housefly Sex Attractant Z-9-Tricosene
XRD结果显示，蜡晶结构与蜡晶中含量高的高碳数正构烷烃二十三烷结构类似，加剂后平均晶粒变小。
After adding the improver, the structure of wax is similar to n-tricosane and the average size of wax particles becomes smaller while the long-range order of wax increases based on XRD spectrum.
在他的三十二首钢琴奏鸣曲中，《f小调第二十三奏鸣曲热情（OP.57）》是贝多芬所获得的最伟大成果之一，也是贝多芬本人最喜欢的一首作品。
In his 32 sonatas,《 No.23 in F minor, "Appassionata" sonata ( OP.57)》 was one of greatest achievements which Beethoven obtains, also is a work which Beethoven most likes.
今天二十三号，平安夜吗？
It's the23rd. it's not even Christmas eve!
在七月二十三号，她们终于有机会见面了。
In July23rd, they finally have a chance to meet.
第二十三条对葡萄酒与白酒地理标志的补充保护
Article 23 Additional Protection for Geographical Indications for Wines and Spirits
去二十三大街要换车吗？
Do I need to transfer to get to twenty-third street?
就是在苏州举行了第二十三届世界遗产大会。
Is held in Suzhou, the twenty-third World Heritage Conference.
这对女同志住在雀尔喜区，至今已交往二十三年。
The couple live in Chelsea and have been together for23 years.
二十三，先生那个瑞典人回答得既清楚又好听。
Twenty-three, sir said the Swede clearly and well.
乙：每天二十三美元，不限里程。
B: yes. it's$ 23.00 with unlimited mileage.