昆蟲(chóng)信息素的研究（Ⅴ）&家蠅性誘劑（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結果顯示，蠟晶結構與蠟晶中含量高的高碳數正構烷烴二十三烷結構類(lèi)似，加劑后平均晶粒變小。

　　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.

　　在他的三十二首鋼琴奏鳴曲中，《f小調第二十三奏鳴曲熱情（OP.57）》是貝多芬所獲得的最偉大成果之一，也是貝多芬本人最喜歡的一首作品。

　　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.

　　今天二十三號，平安夜嗎？

　　It's the23rd. it's not even Christmas eve!

　　在七月二十三號，她們終于有機會(huì )見(jiàn)面了。

　　In July23rd, they finally have a chance to meet.

　　第二十三條對葡萄酒與白酒地理標志的補充保護

　　Article 23 Additional Protection for Geographical Indications for Wines and Spirits

　　去二十三大街要換車(chē)嗎？

　　Do I need to transfer to get to twenty-third street?

　　就是在蘇州舉行了第二十三屆世界遺產(chǎn)大會(huì )。

　　Is held in Suzhou, the twenty-third World Heritage Conference.

　　這對女同志住在雀爾喜區，至今已交往二十三年。

　　The couple live in Chelsea and have been together for23 years.

　　二十三，先生那個(gè)瑞典人回答得既清楚又好聽(tīng)。

　　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.