It is prepared from pentachluorobenzonitrile by using KF as fluoride to substitute chlorine in the presence of benzonitrile under high temperature. But owing to the low solubility of KF and rigor synthesis condition, and the parallel auxiliary reactions, the speed of reaction as well as the yield is very low.

五氟苯甲腈的合成開發(fā)以五氯苯甲腈為原料在較高的溫度下用氟化鉀做氟化劑精品综合，通過取代苯環(huán)上氯原子而得到的九九九色视频，由于氟化鉀在溶劑中溶解度低亚洲综合AV天堂，合成條件要求苛刻免费无码又爽又刺激毛片，反應(yīng)速度較慢黄色网络站久久，同時存在有平行競爭副反應(yīng)，因而反應(yīng)收率較低18岁免费看黄片，國內(nèi)尚無廠家生產(chǎn)又黄又粗又大又长又色又爽。

In general, it seems that the field margin and woodland were much fitter for carabid living than cropland; and it was beneficial to protect and establish such habitat for the biodiversity in agro-ecosystem.3 Because of the long-term intensively agricultural land using and rapid urbanization, the vegetation in the Dongbeiwang village was extremely homogeneous.

不同的生境類型下步甲群落的個體數(shù)量差異很大，農(nóng)田生境中步甲群落個體數(shù)量都較低日本性交操穴欧美性交操B，林地和農(nóng)田邊界地帶較高精品久久久久久电影综合；不同土地利用類型下，步甲群落的物種數(shù)量也有顯著差異精品无码国产污污污免费网站国产，農(nóng)田邊界處步甲群落的物種數(shù)量最多精品国产手机在线观看，其次為林地和與邊界相鄰的農(nóng)田，而農(nóng)田中出現(xiàn)的物種數(shù)量最少色羞羞在线。

With continuous culture in laboratory, this paper studied the individual's growth and population dynamics of Paramecium caudatum under the stress of methamidophos, fen-propathrin and 2, 4-D buiylate, with the population growth curves analyzed by using Logistic model.

采用連續(xù)培養(yǎng)法探討了草履蟲在甲胺磷自拍日韩欧美激情视频在线观看、2，4-D丁酯和甲氰菊酯3種農(nóng)藥脅迫條件下的個體生長和種群動態(tài)一区二区爱爱免费看视频，并利用Logistic種群增長模型對種群的增長曲線進(jìn)行了分析国产乱弄视频。

Off-line HPLC coupled with MS gives the result that 4-chlorophenyl urea and 2-chloro-N-(4-chlorophenyl) benzamide are two photoproducts. In comparison with their retention times and UV specta with those of standards, some other photoproducts identified are 2-chloro benzamide, 4-chlorophenyl urea and 4-chloro aniline.

收集光解產(chǎn)物各級分，采用直接進(jìn)樣法在MS上測得其中的二種光解產(chǎn)物為對氯苯基脲和N-鄰氯苯甲酰胺：通過與標(biāo)樣在同樣HPLC條件下的保留時間和UV吸收光譜相對照一级做a爱片久人毛片A片，證明產(chǎn)物中存在有鄰氯苯甲酰胺黄色工厂在线视频、對氯苯基脲和對氯苯胺等。

In order to explore the feature of Diarrhetic shellfish poisoningproduction and elucidate the complicate mechanism of DSP biosynthesis, production of DSP in different growth phases in Prorocentrum lima and under different nutrients conditions was investigated by ELISA.

為了解海洋底棲甲藻——利瑪原甲藻的產(chǎn)毒特征无码18，闡明腹瀉性貝毒（Diarrhetic shellfish poisoning99精品在线免费观看， DSP）復(fù)雜的生物合成機(jī)制，采用酶聯(lián)免疫試劑盒视频色色，對利瑪原甲藻不同生長期亚洲天天在线看视频、不同營養(yǎng)鹽條件下毒素生成情況進(jìn)行了研究。

Phaeocystis cells are separated experimentally form the water samples collected in Bohai Phaeocystis blooms in 2005.Plate and dilution was used to separate and culture the Phaeocystis cells from the Bohai water samples; Its ecological properties of growth was studied in this research; The break effect of ultrasonic and freezing method was compared in the breaking treatment of Gymnodinium spp. cells of different periods.

該研究選用平板法和稀釋法對渤海棕囊藻赤潮期間水樣中的微藻進(jìn)行了分離培養(yǎng)實驗欧洲一级黄色视频；系統(tǒng)研究了裸甲藻在實驗室條件下的生態(tài)學(xué)特征91性色在线观看www免费；考察了超聲波法和凍融法對不同生長時期裸甲藻細(xì)胞的破碎效果；運用高效液相色譜對裸甲藻和鏈狀亞歷山大藻細(xì)胞提取物進(jìn)行了麻痹性貝毒的分析檢測久久兔费黄色视频。

The harmful algal blooms has been global questions.In the case of much break out of HAB in China sea this research is done. Under the experiment conditions, the ecological growth properties of Gymnodinium spp.

首先在實驗室條件下對裸甲藻的生態(tài)學(xué)生長特性進(jìn)行考察国产精品一区二区哟哟视频，然后從有毒赤潮藻細(xì)胞(裸甲藻、鏈狀亞歷山大藻)提取毒素亚洲乱码一区二区在线欧美，使用高效液相色譜進(jìn)行定性、定量分析。

According to the location of pneumatization, pneumatized inferior turbinates were classified into three types : bulbous, lamellar, and extensive types.

HRCT是顯示下鼻甲氣化的最佳方法久久偷拍网，可直接作出診斷并能幫助臨床與其他原因造成的下鼻甲肥大進(jìn)行鑒別99视频这有这里有精品。

Results The most common (48.78%) infected type was distal and lateral subungual onychomycosis, infected patients were more fingernails than toenails.

結(jié)果 兒童甲真菌病最常見的感染類型是遠(yuǎn)端側(cè)緣甲下型，指甲感染者較趾甲感染者常見99精品r视频在线观看。

The main subtypes of onychomycosis are distal lateral subungual onychomycosis, white superficial onychomycosis, proximal subungual onychomycosis, endonyx onychomycosis, and candidal onychomycosis.

甲真菌病的主要亞型是遠(yuǎn)端外側(cè)甲下甲癬（康樂事務(wù)辦事處或DSO）三级插入小视频在线观看，白色表面的甲真菌病，近端甲下甲真菌病的人人插人人摸人人色，endonyx甲真菌病和念珠菌甲癬视频黄页在线播放免费。

infralabial：唇內(nèi)甲

infrahyoid 舌骨下的 | infralabial 唇內(nèi)甲 | inframarginal 緣下的

Middle turbinate：中鼻甲

前鼻鏡檢查不易窺見.上鼻甲后上方為蝶篩隱窩(sphenoethmoid recess),蝶竇開口于此.圖1-6 鼻腔外側(cè)壁(上女人大逼黄色网站、中久草精品视频播放、下鼻甲部分去除)鼻的解剖(2)上鼻道(superior meatus):內(nèi)有后組篩竇開口.鼻的解剖(3)中鼻甲(middle turbinate):系篩骨的突出部,中鼻甲中常有篩竇氣房生長,

infracotyloid：髖臼下的

infracortical 皮質(zhì)下的 皮層下的 | infracotyloid 髖臼下的 | infractionofturbinate 鼻甲折斷術(shù)

inframarginal：緣下的

infralabial 唇內(nèi)甲 | inframarginal 緣下的 | infraneuston 表面下漂浮生物

subungual：指(趾)甲下的

13. adipocyte脂細(xì)胞,脂肪細(xì)胞 | 14. subungual指(趾)甲下的 | 15. subcuticular表皮下的,角質(zhì)層下的

subungual exostosis：甲下外生骨疣

甲下外生骨疣(subungual exostosis)呈單發(fā)性纖維性和骨性結(jié)節(jié),從甲下趾骨遠(yuǎn)端突出,最常見于大拇趾,偶亦見于其他足趾端,特別是小趾,本病主要發(fā)生于12~30歲的女性,損害初起為小的淡紅色稍超過內(nèi)側(cè)甲游離緣的突起,其上甲板變脆和破裂或脫落,

thyrohyoid membrane：甲狀舌骨膜

4.甲狀舌骨膜 甲狀舌骨膜(thyrohyoid membrane)是連于甲狀軟骨上緣與舌骨之間的膜. 喉腔(laryngeal cavity)向上借喉口通喉咽部,向下與氣管相通. 腔壁覆以粘膜,與咽和氣管的粘膜相延續(xù). 喉腔中部的側(cè)壁上,有上、下兩對呈矢狀位的粘膜皺襞突入腔內(nèi).

partial inferior turbinectomy：下鼻甲部分切除術(shù)

(2)下鼻甲部分切除術(shù):下鼻甲部分切除術(shù)(partial inferior turbinectomy)是在局麻 下以下鼻甲剪或吸切器切除鼻甲肥大的部分(圖1-8-1). 切除部分一般不要超過下鼻甲的1/3,如切除過多有可能發(fā)生繼發(fā)性萎縮性鼻炎. 還可先將下鼻甲 向內(nèi)骨折移位,

Cotting's operation Cotting：手術(shù):矯治趾嵌甲的手術(shù),即向下切去趾的側(cè)邊,包括甲的嵌入緣

Cotte's operation Cotte手術(shù):切除骶前神經(jīng) | Cotting's operation Cotting手術(shù):矯治趾嵌甲的手術(shù),即向下切去趾的側(cè)邊,包括甲的嵌入緣 | Daviel's operation Daviel手術(shù):通過角膜切口而不切虹膜的白內(nèi)障摘除術(shù)

nail bed：甲床

清潔指有緣下的污垢時不可太深入,以免傷及甲床或使甲蓋 (7)甲床(nail bed):甲床位于指甲的下面,含有大量的毛細(xì)血管和神經(jīng). 由于含有毛細(xì)血管,所 (8)指甲前緣(free edge)和指芯(hyponychium):指甲前緣是指甲頂部延伸出甲床的部分,