查询词典 alder

Wood of any of various alder trees; resistant to underwater rot; used for bridges etc.

桤木属树木的木料，抗水蚀，用于造桥梁等。

Alder is a promising broadleaved species with high growth rate and nitrogen-fixing ability for commercial planting.

就桤木商用种植的生产潜力、制浆造纸和材性研究现状等进行综合评述。

When Alder look at the back through the mirror, he saw her combing her hair

一路上，他们都不说话，阿德从望后镜看过去，看到女位女生竟然在梳头发！！！

Cons: The lamps can only be wiped with a damp rag because they are combined with alder wood components.

缺点：该灯只能用湿抹布擦拭，因为他们的组件结合桤木。

Alder Smoked Salmon Strips are … portions are guaranteed to be the finest smoked salmon you'll find anywhere.

阿尔德熏鲑条状部分……以保证将优秀的烟熏鲑鱼，你找到地方。

Alder trees belong to the birch family.

赤杨属于桦木科。n。藻类，海藻

Secondly, 11 chiral ligands containing BINOL and its derivatives werescreened in the asymmetric HDA reaction between Brassard diene withbenzaldehyde. The results revealed that-BINOL shows higherenantioselectivity and reactivity than the others.

其次将 11 个二齿配体 BINOL 及其衍生物用于 Brassard 二烯与苯甲醛的不对称 Hetero-Diels-Alder 反应，结果表明，-BINOL 表现出相对较好-i-范谦四川大学博士论文的反应活性和对映选择性。

Firstly, 24 chiral Schiff base ligands were prepared and evaluated for theasymmetric HDA reaction between Brassard diene with benzaldehyde. Theresults revealed that the ligand derived from 3,5-di-tert-butylsalicylaldehydewith (1R,2S)-2-amino-1,2-diphenyl-1-ethanol shows an excellent chiralinduction in the reaction.

首先合成了 24 个手性三齿席夫碱配体，并应用于 Brassard 二烯与苯甲醛的不对称 Hetero-Diels-Alder 反应，结果表明，3，5-二叔丁基水杨醛与(1R，2S)-1，2-二苯基-2-氨基-乙醇生成的单席夫碱显示出优秀的手性诱导能力。

We synthesized the dienophile 62 from L-malic acid and then heated together with diene 73 afforded the cycloaddition product.

我们由L-苹果酸出发合成了亲双烯体62，并实现了底物诱导的Diels-Alder反应。

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

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。