benzo-

Thereby, the energy level and band gap of these star-shaped molecule donors can be tuned by adjusting the ratio of benzo [ 2,1,3] thiadiazole group and thiophene group on the branched backbone.

上述化学结构和电子结构特征表表明，这种星形小分子给体的能级和带隙可以通过平面支臂骨架上苯并[2,1,3]噻二唑基团和噻吩基团的比例来调控。

Objective To synthesize 2-( 4-methoxypheny )-6-methoxy-benzo [ b ] thiophene.

摘要目的合成目的产物 2- ( 4- 甲氧 基苯基 ) - 6- 甲氧基苯并噻吩.

A Reverse Friedel-Crafts Reaction and the Synthesis of Benzo [ h] coumarin z

一种逆付－克反应及苯并〔h〕香豆素的合成

The synthesis of 3 phenyl indanone thiosemicarbazone 5,6 benzo 15 crown 5

3-苯基茚满酮-[1]-缩氨基硫脲-5,6-苯并-15-冠-5的合成

The changes of 8-OH-dG in the progress of carcinogenesis were detected in human bronchial epithelial cells induced by Benzo ( a) pyrene diol-epoxide ( BPDE) and sulfide nickel ( NiS) in vitro.

并利用苯并（a）芘代谢产物B（a）P二醇环氧化物（BPDE）和结晶型硫化镍（NiS）诱导的体外人支气管上皮细胞转化癌变模型，检测癌变进程中8OH dG的变化。

Studies on complex of sodium benzo 15-crown-5 with cobalt ( ii) thiocyanates

钴-硫氰酸根与钠-苯并15-冠-5配合物的研究

Derivation of Soil Pollutant Standard for Benzo [ a] pyrene Using RBCA and CLEA Models

用RBCA和CLEA模型推导土壤中苯并[a]芘的标准值

Meanwhile, the structure of 3-( 2'-carboxyethyl) benzo [ b] thiophene was confirmed by testing melt point, NMR, Mass Spectrometry and elementary analysis.

并经熔点测定，1H-NMR、13C-NMR、质谱及元素分析，表征其合成得到的3（2′羧乙基）苯并噻吩的结构。

In this paper we report the syntheses and properties of iron nitrate with 4 ′-bro-benzo-15-crown-5 ether solid coordination compound. Synthetic Fe ( NO_3)_3L is a new kind of crown ether coordination compound.

本文报道了在乙醇中合成一种新的固态配合物Fe（NO3）3·L。

The results show that benzo ( a) pyrene is of the highest total score in several kinds of persistent toxic substances, followed by chromium ( VI), cadmium, lead and benzene hexachloride ( BHC, a kind of organo-chlorine pesticides).

结果表明，在几类典型的持久性毒害污染物中，苯并（a）芘的总分值最高，其次为重金属类的铬（六价）、镉、铅及有机氯农药类的六六六。

Results The average level of total PAHs and benzo [ a] pyrene ( BaP) the traffic police assistants exposed to were 867 and 26 ng/ m3 respectively, which were much higher than those in the campus and at the roadsides.

结果交通协警工作环境空气中颗粒态苯并[a]芘及13种多环芳烃浓度之和的均值分别为26、867ng/m3，显著高于马路边和校园内浓度；

Complexation Thermodynamics of Bis ( crown ether) s V. Intramolecular Sandwich Complexation of Light Lanthanoid Nitrates with Bis ( benzo-15-crown-5) in Anhydrous Acetonitrile

双冠醚配位作用的热力学性质Ⅴ.双（苯并-15-冠-5）与稀土（Ⅲ）硝酸盐在无水乙腈溶液中分子内夹心配位作用

Expression deficiency of JWA enhanced DNA damage and delayed DNA repair in HeLa cells induced by benzo ( a) pyrene exposure

JWA基因的蛋白缺陷对苯并（a）芘所致HeLa细胞DNA损伤的影响

Features of transplantable fibrosarcoma induced by 3,4-benzo ( a) pyrene in WKA rats are presented. The sc transplantation rate of WBT-2 in WKA rats was 100%, but without spontaneous metastasis.

本文报告了用3,4-苯并芘诱发出大鼠的纤维肉瘤WBT-2，其皮下移植率为100%，但未发现自发转移。

This thesis developed a HPLC method for determination of Benzo a pyrene in meat foods.

建立了肉类食品中苯并芘残留的高效液相色谱测定法.

Objective: This HPLC method is to determinate the purity of benzo-macrocyclotetraamide NaFe.

目的: 采用高效液相色谱法测定苯并大环四酰胺钠铁的纯度.

Study on the Synthesis Methods of Thiosemicarbazone Derivatives of Benzo-15-crown-5

苯并-15-冠-5缩氨基硫脲类化合物的合成方法研究

Schiff Bases and Secondary Amines Containing Two Benzo-15-crown-5 Units II. Potassium Ion Selective PVO Membrane Electrodes Based on Bis-Crown Ethers as Carrier

Schiff碱型和仲胺型双冠醚Ⅱ.用双冠醚作载体的PVC膜钾离子选择性电极

Reported herein are eight solid complex compounds obtained by reactions of uranyl nitrate, uranyl chloride and thorium nitrate with macro-cyclic polyethers dibenzo-18-crown-6, benzo-15-crown-5 and 18-crown-6 in polar solvents. The complex compounds have been characterized by elemental analysis, melting points and infrared spectro-metric analysis.

本文报道了硝酸铀酰、氯化铀酰和硝酸钍与冠醚DB18CR6、B15CR5、18CR6通过溶剂反应制得的8个固体络合物，对这些络合物进行了熔点测定、元素成分测定和红外光谱分析。

This thesis developed a HPLC method for determination of benzo a pyrene in grain.

建立了粮食中苯并芘残留的高效液相色谱测定法.

For determining trace Cadmium by using a polarographic catalytic wave, this paper proposes a new KI-Benzo-15-Crown-5-Cd complex system as a base solution.

本文提出了一种新的碘化钾苯并15冠5镉络合体系作基质，以极谱催化波测定痕量镉。