异狄氏剂

The microwave-assisted extraction and Florisil solid phase extraction conditions were optimized. Under the optimum condition, the recoveries of 18 organochlorine pesticides (α-HCH,β-HCH,γ-HCH,δ-HCH, heptachlor, aldrin, heptachlor epoxide, endosulfan Ⅰ, p, p'-DDE, dieldrin, endrin, endosulfan Ⅱ, p, p'-DDD, o, p'-DDT, endrin aldehyde, endosulfan sulfate, p, p'-DDT, methoxychlor) were

优化了微波萃取和固相萃取柱净化条件，在最优条件下18种有机氯农药（α-HCH、β-HCH、γ-HCH、δ-HCH、七氯、艾氏剂、环氧七氯、硫丹Ⅰ、p，p'-DDE、狄氏剂、异狄氏剂、硫丹Ⅱ、p，p'-DDD、o，p'-DDT、狄氏剂、异狄氏剂醛、硫丹硫酸酯、p，p'-DDT、甲氧滴滴涕）的回收率在

Dieldrin, endrin, heptachlor, hexochlorobenzene, mirex, polychlorinated biphenyls, and toxaphene.

并且要禁止和严格限制九种最有害的持久性有机污染物的生产和使用，它们分别是艾氏剂|、可氯丹、狄氏剂、异狄氏剂、七氯、六氯苯、灭蚁灵、多氯联苯、毒杀芬。

Three organochlorine pesticides -endrin, dieldrin, and p,p'-DDT-were used as target compounds to test the hypothesis that triolein embedded cellulose acetate membrane only extracts freely dissolved hydrophobic organic compounds. The effect of dissolved organic carbon on the bioavailability of the OCPs was also examined through accumulation study with TECAM and Japanese medaka.

以异狄氏剂、狄氏剂和p，p'-滴滴涕3种持久性有机氯农药为研究对象，通过室内模拟实验，验证了三油酸甘油脂-醋酸纤维素复合膜富集水中自由溶解态疏水性有机物的假设，研究了水中溶解性有机碳对TECAM富集3种有机氯农药的影响，并与相同暴露条件下日本青鳉鱼的富集结果进行了比较。

Supercritical fluid extraction of pesticide residues of chlorothalonil, aldrin, dieldrin, and endrin from chives was evaluated.

建立了用超临界流体萃取、气相色谱测定韭菜中百菌清、艾氏剂、狄氏剂、异狄氏剂残留量的方法。

In all vegetables investegated, carrot could bioconcentrate more HCHs and DDT than other vegetables, whose BCF were 1.10 and 0.80 respectively. Meanwhile, lettuce, garlic leaves and spinach could absorb more HCB, Dieldrin and Endrin from environment.

胡萝卜对HCH和DDT等有机氯农药的富集能力较强，而莴苣、蒜苗和菠菜对六氯苯、狄氏剂，异狄氏剂和硫丹有较高的生物富集能力。

HCB and ∑DDTs were detected in 100 percent and 99.2 percent respectively of all soil samples, while the concentrations of Aldrin, Dieldrin, Endrin, Heptachlor and Mirex were below the detection limit.

2004年5月31日至6月8日采集了安徽省境内的长江流域、淮河流域、巢湖周边的119个土壤表层样品，利用ASE萃取技术，使用GC/MS方法测定了样品中的六氯苯、氯丹、滴滴涕类物质、艾氏剂、狄氏剂、异狄氏剂、七氯和灭蚁灵等有机氯杀虫剂的含量。

The uptake rate and equilibrium time of organochlorine pesticides were obtained during the laboratory experiment. All the equilibrium time are 594 hours except that δ-BHC's is 234 hours and both p, p'-DDE and o, p-DDT's are 70 hours. Uptake rates of α-BHC, hexachlorobenzene,β-BHC,γ-BHC,δ-BHC, heptachlor, aldrin, heptachlor epoxide, p, p'-DDE, dieldrin, endrin, p, p'-DDD, o, p-DDT and p, p'-DDT are 0.061, 0.071, 0.098, 0.066, 0.033, 0.014, 0.007, 0.062, 0.108, 0.052, 0.029, 0.032, 0.061mL/h, respectively.

得出了有机氯农药在水相和半透膜之间分配的平衡时间和富集系数，平衡时间除δ-BHC为234h和p，p'-DDE、o，p-DDT为70h外，其余组分均为594h；α-BHC、六氯苯、β-BHC、γ-BHC、δ-BHC、七氯、艾氏剂、七氯环氧、p，p'-DDE、狄氏剂、异狄氏剂、p，p'-DDD、o，p'-DDT、p，p'-DDT富集系数分别为：0.061、0.071、0.098、0.066、0.033、0.014、0.007、0.062、0.108、0.052、0.029、0.032、0.061mL/h。

The purpose was to set up the gas chromatography method of determining the pesticide residues of Aids-in, Dieldin and Endrin in vegetable and its products.

建立蔬菜及其制品中的杀虫剂艾氏剂、狄氏剂、异狄氏剂残留的气相色谱检测方法。

The method can determine Aldrin, Dieldin and Endrin at the same time, with characters of simple approaches and strong operability Their determination results showed higher accuracy and variation coefficient.

该方法可同时测定艾氏剂、狄氏剂和异狄氏剂，并具有步骤简单，操作性强的特点，其测定结果具有较高的准确度和变异系数。

Times of signal-to-noise ratio being taken as detection limit, the limits of 3 kinds of pesticides detected by this method were: Aldrin of 0.3 μg/kg, Dieldin of 0.5 μg/kg and Endrin of 0.3 μg/kg respectively.

以3倍信噪比为检出限，采用该方法对3种杀虫剂的检测限分别为：艾氏剂为0.3μg/kg；狄氏剂为0.5μg/kg；异狄氏剂为0.3μg/kg。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。