Many insects have became resistant to DDT.

1、

Thousands of new chemicals , like DDT, soon resided in every living tissue.

DDT等无数新的化学品, 很快渗进了每个活组织.

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2、

Many microorganisms possess the ability to dehydrohalogenate DDT to DDE.

许多微生物使滴滴涕脱卤化氢变为滴滴依.

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3、

Then came the golden days of DDT ( dichlorodiphenyltrichloroethane ).

然后就是 DDT 的黄金年代.

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4、

Technical Documentation fee is for delivery DDU Destination Airport.

其技术资料价格为ddu目的地机场交付价.

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5、

The DDU term was added in the 1990 version of Incoterms.

此到指定目的地税前交货价(DDU)条件被加入于1990年版国贸条规中.

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6、

Fewer workers are needed to solder circuit boards.

焊接电路板需要的工人更少了。

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7、

Adjustable temperature from 150 ℃ to 300 ℃, warm-up circuit boards easier.

可调节温度从150℃到300℃, 预热电路板更得心应手.

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8、

Sumith 1 : 400 ; and DDVP 1 : 400 spraying are very effective.

杀螟松 1∶400 倍水和DDVP1∶400 倍水喷洒植株,药效均达90%以上.

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9、

PRODUCT USE: Flexible printed circuit Boards.

用途: 用于挠性印制电路板.

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10、

Meanwhile, V _ ( max ) values were approximately four times as high for DDVP-R compared with the susceptible strain.

同时, DDVP -R 品系中V_ ( max ) 大约是敏感品系的4倍,说明该抗性品系中GSTs对GSH的亲和力虽然下降,但是其可以通过V_(max)的提高来弥补亲和力下降所造成的损失.

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11、

The results show that H 2 O 2 and K 2 S 2 O 8 can photodegradate DDVP betterly.

结果表明:H2O2、K2S2O8对DDVP的光降解具有良好的效果.

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12、

Applied to hardware tools, electronics, circuit boards , stationery, toys, etc. fitted packaging.

适用于五金工具、电子、线路板、玩具文具等的贴体包装.

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13、

Products to Circuit boards, logic system, hydraulic parts, mainly hydraulic unit.

产品以油路板、逻辑系统、液压件、油压单元为主.

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14、

Influences of pH, concentrations of oxidents and Cu 2 + on the photodegradation rate of DDVP were investigated.

探讨了氧化剂浓度、pH值、 Cu2+浓度对DDVP光降解的影响.

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15、

Second , UV drying equipment: general-UV-light aircraft , circuit boards UV-light aircraft, offset UV curing machine, Binghua machines.

UV干燥设备: 普通型UV光固机、线路板UV光固机、胶印UV固化机、冰花机等.

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16、

The results showed that 14 % Imidacloprid + DDVP , 4.5 % Imidacloprid and 30 % DDVP + omethoate were efficient, and 14 % Imidacloprid + DDVP exhibits high efficiency.

结果表明14%吡虫啉.敌敌畏注干液剂、 4.5%吡虫啉注干液剂和30%敌畏.

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17、

A ( non-removable ) printed circuit board to which other ( remov able ) printed circuit boards connect.

一种 ( 固定的 ) 印制电路板,其它的印制板电路板就连到这块板上.

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18、

Cytotoxicity of Nef , dichlorvos ( DDVP ) and verapamil ( Ver ) were tested by MTT method in RBE 4 cells.

采用MTT法了解Nef、敌敌畏 ( dichlorvos,DDVP ) 和维拉帕米 ( verapamil, Ver ) 对RBE4细胞的毒性作用.

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19、

Design for long machining life. Suitable for common circuit boards.

加工效率高,使用寿命长, 可适合通板工.

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20、

The fly population density could be maintained low condition by spraying 2 . 5 % synergistic DDVP.

以2.5%增效敌敌畏喷洒,可使蝇密度维持在较低水平.

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