1) (2-Chloroethyl)trimethylammonium chloride
三西
3) West Sanhuan Road
西三环
1.
Observation points were set between Huayuancun and Lianhua Bridge to observe the main roads and assist roads of the west Sanhuan Road in Beijing during multiple periods of time,so that with the data of the vehicle speed and flux a database was built and maps of West Sanhuan Road traffic condition were made in ArcGIS,and a query system was made towards them based on Visual Basic and Map Object.
在花园村至莲花桥一带设立观测点对北京西三环南北双向主辅路进行分时段观测,获得车辆速度、车流量等相关交通数据,建立数据库,在ARCGIS环境下,制作西三环交通路况图,并利用VB和MO技术针对该套图幅编制查询系统。
4) Xisan furrow
西三潮沟
1.
Evolvement and regulation of Xisan furrow in south bank of Qiantangjiang Estuary;
钱塘江河口南岸西三潮沟形成演变及其治理
5) three kinds of red carp in Jiangxi Province
江西三红
6) the three provinces of Southwest China
西南三省
1.
In the three provinces of Southwest China there are abundant and unique tourism resources that are not well developed and managed.
西南三省的旅游资源丰富而独特,但开发程度低,经营粗放,发展整体性差,组合效益低。
补充资料:三西
分子式:C5H13Cl2N
分子量:158.07
CAS号:999-81-5
性质:白色结晶。熔点245℃(部分分解)。易溶于水,在常温下饱和水溶液浓度可达80%左右。不溶于苯、二甲苯、无水乙醇,溶于丙醇。有鱼腥臭,易潮解。在中性或微酸性介质中稳定,在碱性介质中加热能分解。
制备方法:由二氯乙烷吸收三甲胺,加热反应而得。
用途:矮壮素是一种优良的植物生长调节剂,可用于小麦、水稻、棉花、烟草、玉米及西红柿等作物,抑制作物细胞伸长,但不抑制细胞分裂,能使植株变矮,杆茎变粗,叶色变绿,可使作物耐旱耐涝,防止作物徒长倒伏,抗盐碱,又能防止棉花落铃,可使马铃薯块茎增大。
分子量:158.07
CAS号:999-81-5
性质:白色结晶。熔点245℃(部分分解)。易溶于水,在常温下饱和水溶液浓度可达80%左右。不溶于苯、二甲苯、无水乙醇,溶于丙醇。有鱼腥臭,易潮解。在中性或微酸性介质中稳定,在碱性介质中加热能分解。
制备方法:由二氯乙烷吸收三甲胺,加热反应而得。
用途:矮壮素是一种优良的植物生长调节剂,可用于小麦、水稻、棉花、烟草、玉米及西红柿等作物,抑制作物细胞伸长,但不抑制细胞分裂,能使植株变矮,杆茎变粗,叶色变绿,可使作物耐旱耐涝,防止作物徒长倒伏,抗盐碱,又能防止棉花落铃,可使马铃薯块茎增大。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条