查询词典 hazel alder

In addition, ioding was found to be an efficient catalyst for the imino Diels-Alder reaction of N-arylimine and enol ethers and the reaction provided tertrahydroqinolines in good yields. One pot synthesis of tetrahydroqinolines from aldehyde, aniline and enol ethers was also achieved using iodine as the catalyst. The chemical yield of the"one pot"reaction was comparable with that obtained using preformed N-arylimine.

此外我们也发现碘能够有效地催化N-芳基亚胺与烯醇醚的Diels-Alder反应，以很高的化学收率得到了四氢喹啉衍生物，并且发现碘也能够直接催化芳香醛、苯胺、烯醇醚的三组分"一锅"反应，获得的化学产率与使用预制的N-芳基亚胺相当。

What is the structure of the Diels-Alder product of anthracene with ethene, and maleic anhydride

答：写出蒽与乙烯，马来酸酐的反应产物

Solid wood units of oak, maple, yellow cedar, padauk, American or European beech, purple heart wood, alder or cherry are all popular choices.

实木单位橡树、枫树、黄柏树、红木、美国或欧洲榉、紫心木桤或樱桃都是热门选择。

Thus, the fate of a mayfly is primarily determined by the histrionics of neighboring frog, trout, alder, water spider, and the rest of stream life, each playing the environment for the other.

因此，蜉蝣的命运主要取决于附近装模作样的青蛙、鳟鱼、赤杨、水蜘蛛，和溪流里其余的生物，每一种生物都充当着其他生物的环境。

Cast :, Ben Chaplin as George Coulouris , Claire Danes as Sonja Jones , Zac Efron as Richard Samuels , Zoe Kazan as Gretta Alder , Eddie Marsan as John Houseman , Christian McKay as Orson Welles , Kelly Reilly as Muriel Brassler , James Tupper as Joseph Cotten rest of expel listed alphabetically:, Thomas Arnold as George Duthie, Leo Bill as Norman Lloyd, Shane James Bordas as Elliott Reid, Michael Brandon as Les Tremayne, Aaron Brown as Longchamps Child, Janie Dee as Mrs .

演员：，班卓别林乔治Coulouris，克莱尔丹尼斯的宋雅琼斯，醋氨己酸锌埃弗龙的理查德塞缪尔斯，佐伊喀山的Gretta桤木，艾迪玛珊作为奥森韦尔斯，凯利赖利约翰豪斯曼，基督教麦凯的穆里尔Brassler，詹姆斯约瑟夫科顿的其余部分按字母顺序列出驱逐百乐：托马斯阿诺德乔治达西，狮子条例草案诺曼劳埃德，巴蒂尔詹姆斯博尔达斯在Les Tremayne，阿龙的隆尚儿童，珍妮迪布朗的埃利奥特里德，迈克尔布兰登正如刚才。

Facilitated by the Alder ave intermediate school.

所以的课程都设在星期六下午2：00 至5：00，在Alder

With the kids grown and gone, he sold the family house in Southern California and moved to the central Sierra Nevada near Alder Springs, an hour outside Fresno, among tall pines and old oaks and tree-sized manzanita.

子女长大和离开，他卖掉了在南加州的家庭住宅，搬到靠近阿尔德施普林格斯的内华达山脉中部，费雷斯诺城外一小时的车程，座落于高大的松树，古老的栎树和树状矮木之间。

In midmost of the stream, embraced in the weir's shimmering arm-spread, a small island lay anchored, fringed close with willow and silver birch and alder.

在大坝那闪光的臂膀环抱中，安卧着一个小岛，四周密密层层长着柳树、白桦和赤杨。

We use modiolus puncture approach shown by Alder to obtain recordings of discharge signals from single auditory nerve in guinea pig, and adopt digitally controlled system, which is designed on our self to generate complex waveforms, to measure properties of basic acoustically-evoked response of single auditory nerve.

实验在23只豚鼠上进行，运用Alder的蜗轴穿刺法，记录豚鼠听神经单纤维放电，并用自行研制的计算机程控复杂模式声刺激系统，测定听神经单纤维的基本声反应特性。

With singular attention to detail, the new Eric Johnson Stratocaster RW features a two-piece alder body finished in thin-skin nitrocellulose lacquer, a quartersawn maple neck with bound round-laminated 12-radius rosewood fretboard, a three-ply parchment pickguard, pickups voiced by Johnson himself, staggered vintage-style tuners, a custom tremolo block, and four brand-new finish options, three of which (Lucerne Aqua Firemist, Tropical Turquoise and Medium Palomino Metallic) are exclusive to this model.

对细节独到的关注，新的签名琴的特点是琴体由两片赤杨木组成并由硝化纤维清漆粘和；琴颈为quartersawn枫木，与12英寸半径的桃花芯木指板粘和组成；外带3层羊皮纸的匹克护板；拾音器由埃里克约翰逊亲自参与设计制作；直排复古型卷线器；以及订制级颤音摇把；4款全新的颜色选择，其中3个（网页上有：深蓝色，浅蓝色和金棕色）都是这一款琴独有的。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。