啦啦啦WWW日本高清免费观看,国产欧美精品午夜在线播放,国产又黄又硬又粗

產品詳情
  • 產品名稱:Kearns and March knockdown chamber

  • 產品型號:
  • 產品廠商:英國BURKARD
  • 產品文檔:
你添加了1件商品 查看購物車
簡單介紹:
Kearns and March knockdown chamber
詳情介紹:

Kearns and March knockdown chamber

Category:PRECISION DISPENSING EQUIPMENT

Product Description

For evaluating fly sprays based on the technique described in Soap and Sanitary Chemicals (Feb 1943) Vol. 19 p 101-104, 128 with certain modifications.

The dosage for mortality tests is 0.2 ml per sprayer (total 0.4 ml). The percentage mortality obtained with the official test insecticide at a dosage of 0.4 ml should be between 30 per cent and 55 per cent. Under different conditions of fly breeding and testing it might be necessary to vary the dosage in order to obtain kills within this range.

姓名:
電話:
您的需求:
 
  • 主站蜘蛛池模板: 汉源县| 汉川市| 大洼县| 饶阳县| 武强县| 霞浦县| 奈曼旗| 江安县| 隆尧县| 浮山县| 新宁县| 新干县| 普洱| 逊克县| 左贡县| 义乌市| 巴里| 潍坊市| 蒙自县| 治县。| 商洛市| 寿光市| 靖宇县| 遂宁市| 永兴县| 丹东市| 阳西县| 湖南省| 柯坪县| 台湾省| 华池县| 漳州市| 平舆县| 峨边| 安新县| 广饶县| 平原县| 洛宁县| 西乌珠穆沁旗| 乃东县| 奉节县|