1·2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2·Uses: 2, 3-dichloro-pyridine mainly used as pharmaceutical and pesticide intermediates.
用途：2,3 -二氯吡啶主要用作医药和农药中间体。
3·Dichloro - dimethyl hydantoin is white powder or granules containing 64. 45 % avail able chlorine.
二氯二甲基海因为含64 . 45 %有效氯的白色粉末或颗粒。
4·The dichloro-quinoxaline-type pigment matrix is provided with at least one dichloro-quinoxaline group.
二氯喹喔啉基型色素母体具有至少一二氯喹喔啉基。
5·Synthesis, Crystal and Molecular Structure of Dichloro 1, 3 Bis (3, 5 Dimethylpyrazolyl) Propane Palladium.
二氯1,3 -二(3,5 -二甲基吡唑)丙烷合钯的合成及晶体和分子的结构。
6·The mixture was cooled and the crystalline product 2,8-dichloro-5-fluoronicotinic acid (III) was isolated by centrifugation and dried.
冷却混合物，结晶产物2，8-二氯-5-氟烟酸（III）以离心分离法得到并干燥。
7·Chapter 3 is the research on porous plastic fiber optical probe for ammonia with the indicator of 2,7-dichloro-3,6-acrylate ester fluorescein.
第三章为以二氯二丙烯酸酯为指示剂的多孔塑料光纤氨化学传感探头的研究。
8·A study on the mass spectrometric cleavage of 1, 1—dichloro—2—ethyloxy—2—AryIolefins by metastable ions and precise mass measurement is reported.
本文报道通过亚稳离子和精确质量测定，讨论了1，1—二氯—2—乙氧基—2—芳基烯烃的质谱裂解规律。
9·This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.
论还了2，4-二氯-3，5-二硝基三氟甲基苯的合成方法；对影响收率的反应温度，反应时间和催化剂进行了研究。
10·In this paper, the synthesis of dichloro (phthalocyanino) silicon is studied. Dichloro (phthalocyanino) silicon is obtained by adding the product into methanol.
对二氯硅酞菁的合成进行了研究，并采用甲醇析出法分离出生成的二氯硅酞菁。