1.
Determining benzene hexachloride (BHC) and DDT in soil by using gas chromatography
气相色谱法测定土壤中六六六和滴滴涕
2.
Organisms quality--Determination of BHC and DDT--Gas chromatography
GB/T14551-1993生物质量六六六和滴滴涕的测定气相色谱法
3.
Soil quality--Determination of BHC and DDT--Gas chromatography
GB/T14550-1993土壤质量六六六和滴滴涕的测定气相色谱法
4.
Uncertainty evaluation during determining HCH and DDT residues in edible vegetable oils by gas chromatography
气相色谱法测量植物油中六六六和滴滴涕残留量的不确定度评定
5.
To Detect Trace BHC and DDT in Water with Solid Phase Extraction-Gas Chromatography
固相萃取气相色谱法测定水中痕量六六六和滴滴涕
6.
Determination of trace HCH and DDT in traditional Chinese medicines by solid phase extraction gas chromatography
固相萃取气相色谱法测定中药中痕量六六六和滴滴涕
7.
Determination of BHC and DDT in Soil Samples by Ultrasonic Extraction and Gas Chromatography
超声提取-气相色谱法测定覆盖区土壤中的六六六和滴滴涕
8.
Effects of β-hexachlorocyclohexane and Chlordecone on Experimental Population Dynamics of Freshwater Rotifer Brachionus Calyciflorus Pallas;
β-六六六和十氯丹对萼花臂尾轮虫实验种群动态的影响
9.
Pollution in Surface Soil of HCHs and DDTs in Heilongjiang River Basin, China;
黑龙江流域（中国）土壤中六六六和滴滴涕污染研究
10.
(6) Tourism and service trades.
（六）旅游和服务业。
11.
TRANSPORT AND FATE OF BHC IN AQUATIC ENVIRONMENT 3. BHC ACCUMULATION AND ELIMINATION IN FISH
六六六在水环境中转移、积累和归趋研究——3.六六六在鱼体的积累释放
12.
a line of verse that has six iambic feet.
诗中每行都各有六个抑扬格和六音步。
13.
They are on Thursdays and Saturdays.
星期四和星期六有。
14.
vi.The External Policy and Institutional Environments
(六)外部政策和制度环境
15.
2,4,and 6 are figures.
二、四和六是数目字。
16.
Six is the mean number between three and nine.
六是三和九的中间数。
17.
The sum of two sixes is twelve.
两个六的和是十二。
18.
Eleven is the sum of six and five.
十一是六加五的和。