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用凯松ＣＧ和尼泊金甲酯作复合防腐剂，吐温－２０作湿润展着剂，木质素磺酸钠和山梨醇作紫外光防护剂，人工甜味剂作昆虫食欲促进剂，油酸作杀虫增效剂，研制出了高效、稳定的苏云金杆菌液体剂型。在一年的正常存放试验中，液剂效价保持率８９％。加速降解试验表明，４５℃条件存放２５ｄ，液剂效价保持率为７３％。在紫外光照射下，当新研制的剂型效价保持率为９０．２％时，对照保持率仅为３６．６％。
With kaesong CG and nipagin as a composite preservative, Tween-20 wetting agent, sodium lignosulphonate and sorbitol for UV protection, artificial sweeteners for insect appetite promoter, oil Acid insecticide synergist, developed a highly efficient and stable Bacillus thuringiensis liquid dosage forms. In a year of normal storage test, the liquor titer retention rate of 89%. Accelerated degradation tests showed that the 45 ℃ stored 25d, liquid reagent titer retention rate of 73%. Under UV irradiation, when the newly developed formulation potency retention rate was 90.2%, the control retention rate was only 36.6%.