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Intergranular corrosion is an attack on the grain boundaries of a material.

晶粒间锈蚀腐蚀是在材料的结晶边界产生氧化。

These results imply that the solvent content might be affected by different intermolecular interactions caused by different crystallization environments.

这些结果说明溶剂含量的高低可能是由不同结晶环境引起的不同分子间的相互作用决定的。

The emergence of wavelet analysis is the result of a multidisciplinary effort that brought together many intersect fields.

小波分析的出现,是不同学科、不同领域的交流与交叉学科发展的结晶

To make fondant sugar, which is used in icings and confections, very fine sucrose crystals are surrounded with a saturated solution of invert sugar corn syrup, or maltodextrin.

糖被制取用稀糖膏中的再结晶糖的饱合溶液处理挂糖衣和蜜饯糖,要把非常好的蔗糖晶体通过饱和的方法转化糖玉米糖浆或麦芽糖糊精。

It's very important that the inwall of crystallize should adopt large-coefficient of heat conductivity material .

结晶器内壁采用导热系数大的材料对稳定连铸十分重要。

The pulse potential with –3.5 V was beneficial to ion deposition recrystallization, to composite coating deposition.

脉冲电位为–3.5 V时有利于离子的沉积结晶,有利于复合涂层的沉积。

Results show that 4-oxo-β-ionone is the major product with yield of 53.5% under the conditions as follows: reaction temperature 45℃, reaction time 24 h, the molar ratio of n: n(NaClO3): n 20: 100: 3, and pH value of solution in 1-3; on the other hand, 5,6-epoxy-β-ionone is major product with yield of 25.4% when reaction temperature is 40℃, reaction time is 24 h, the molar ratio of n: n(NaClO3): n is 20: 120: 5, and pH values of solution is 3. The excessive β-ionone can be recovered by vacuum distillation for reusing again. 4-oxo-β-ionone and 5,6-epoxy-3-ionone were purified by recrystallization and silica gel column chromatograph respectively with the purity over 98%.

研究结果表明:氯酸钠氧化β-紫罗兰酮的反应主要生成4-氧代-β-紫罗兰酮和5,6-环氧-β-紫罗兰酮,经重结晶和硅胶柱层析分离,纯度高于98%;4-氧代-β-紫罗兰酮的有利合成条件是反应温度为45℃,反应时间为24h,溶液的pH值为1~3,反应物配比n:n(NaClO3):n为20:100:3,最佳收率为53.5%;5,6-环氧-β-紫罗兰酮有利的合成条件是反应温度为40℃,反应时间为24h,溶液的pH值为3,反应物配比n:n(NaClO3):n为20:120:5,其收率为25.4%;未反应的β-紫罗兰酮经减压蒸馏回收后可重复使用。

A bitter-tasting crystalline alkaloid, C29H40N2O4, derived from ipecac root and used in the treatment of amebiasis and as an emetic.

依米丁,吐根碱一种苦味的结晶碱,c29h40n2o4,由吐根的根提取而来并用来治疗阿米巴病以及用作催吐剂

The third episode occurred in the period of M〓 peak stage, and resulted in tight isoclinal to recumbent folds and pervasive schistosity striking in NNE-EW direction over the whole area.

第三幕出现于M〓峰期阶段,形成轴向NEE为主的区域性紧密褶皱及全区岩石中的透入性结晶片理,以上三幕构造变形作用属于晚太古旋回。

An orange-red crystalline substance was isolated from the chloroform extract of red callusdry powder by silica column chr

从干燥的红色愈伤组织中,用氯仿提取、硅胶柱层分离到一种橙红色结晶,经鉴定为隐丹酮。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。

The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

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