tortoiseshell

The moire phenomena appeared when scanning a halftone image was theoretically explained.

运用傅立叶分析的方法说明了加网和扫描的过程,对扫描半色调印刷品时所产生的龟纹进行了理论的解释,并提出了抑制此类龟纹的方法。

In order to solve the moire caused by the superposition of several plates in the course of screen printing,the forming process of moiré was analyzed with mathematics method from the formation mechanism.

为了解决丝网印刷过程中由于各色版叠印产生的龟纹,从龟纹产生的机理入手,用数学的方法分析了龟纹的形成过程,推导了龟纹的周期公式并得出控制龟纹的一般规律。

This paper describe the concept of moire occured in screen printing and the difference between the moire in screen printing and the moire in lithosraphy.

阐述丝网印刷龟纹的概念及其与平印龟纹的区别，分析丝印龟纹成因的６个方面：原稿、套印、加网、网版变形、承印面纹理及油墨厚度。

In real printing thereasily exists moiré because of regular gridding module.

规则的网模容易在实际的印刷过程中出现龟纹,为从根本上避免龟纹的产生,提出了印染CAD系统的适合印花行业的半色调算法,将基于六角形的7个圆作为一个基本挂网单元。

Current resampling techniques computer new samples by simple interpolation methods like bilinear interpolation which can cause undesirable moiré artifacts when the original image contains high frequency components.

提出了一种减少印刷中龟纹现象的重采样算法 。

Determination of Cholesta-4,6-dine-3-ol in Turtleback by TLC-Scanning;

薄层扫描法测定龟甲中胆甾4,6-二烯-3醇的含量

The paper demonstrates that the 8 tri-grams and 9 halls diagram is made up of turtle shell 9 halls and 8 tri-grams, and then reveals the principle of the 8 x 8 square of 64 hexagrams.

通过论证"龟甲九宫"与"八卦图"组成"九宫八卦图",进而揭示出"八卦相重(八乘八)成六十四卦"的生成原理,纠正了《易》学界流传至今的宋代邵雍、朱熹所谓"八卦变十六卦变三十二卦变六十四卦"错误理论。

The paper demonstrates that the 8 tri-grams and 9 halls diagram is made up of turtle shell 9 halls and 8 tri-grams, andthen reveals the principle of the 8 x 8 square of 64 hexagrams.

本文通过论证"龟甲九宫"与"八卦图"组成"九宫八卦图",进而揭示出"八卦相重(八乘八)成六十四卦"的生成原理,纠正了《易》学界流传至今的宋代邵雍、朱熹所谓"八卦变十六卦变三十二卦变六十四卦"错误理论。

Studies on the Effects of Bt Cotton on Propylaea Japonica;

转基因棉对龟纹瓢虫（Propylaea Japonica）影响的研究

Effects of temperature on laboratory population of Propylea japonica(Thunberg)

温度对龟纹瓢虫实验种群生长发育的影响

Effect of spectral sensitivity and intensity response on the phototaxis of Propylea japonica(Thunberg)

光谱和光强度对龟纹瓢虫成虫趋光行为的影响

The Study of the Food Chain of "Cotton-Aphis Gossypii-Propylaea Japonica" and the Ecological Management on Cotton Aphid;

“棉花-棉蚜-龟纹瓢虫”食物链关系及棉蚜生态管理研究

The Effect of Transgenic Bacillum Thuringiensis Corn on Corn Leaf Aphis Rhopalosiphum Maidis (Fitch) and Its Predator Propylaea Japonica (Thunberg);

转Bt基因玉米对玉米蚜及其捕食性天敌龟纹瓢虫的影响

Study on the Influence Factor of Phototaxis and Feeding Behavior of Propylea Japonica (Thunberg)

龟纹瓢虫成虫趋光性和取食行为的影响因素研究

Effects of CO_2 Elevation and Predation Pressure on the Fitness of Aphis Gossypii(Glover)

CO_2浓度升高及龟纹瓢虫胁迫作用下棉蚜适合度的变化

Predatory Functional Response and Catching Effect of Propylea japonica to Anaphothrips obscurus Adults

龟纹瓢虫对玉米黄呆蓟马成虫的捕食功能反应与搜寻效应

crackling effect

裂纹效应,龟裂效应,冰花效应;皱纹[涂层]整理

the mottled horny substance of the shell of some turtles.

龟的甲壳上有斑纹的角质物质。

The turtle and white crane symbolized longevity in ancient China, hence, the saying: "the white crane lives a thousand years and the turtle ten thousand years." In auspicious designs, the turtle is often represented by the patterns on its back.

龟鹤在古代是长寿的象征，民间有所谓“千岁鹤，万年龟”的说法，后来以龟背纹代替。

Development of high performance liquid chromatographic fingerprints of liposoluble constituents in donkey-hide glue and tortoise-shell glue

阿胶、龟甲胶中脂溶性成分的高效液相色谱指纹图谱

Crack patterns of this form are often referred to as craze patterns since the cracks have no preferential direction.

因为这种裂纹没有优势方向，所以常常把这种形式的裂纹图叫做龟裂图。

Any of various turtles or tortoises.

乌龟任一种海龟或陆龟

of or relating to or resembling or being a turtle or tortoise.

属于龟、或与龟有关、或类似于龟、或是龟。

Any of various beetles of the family Scarabaeidae, such as the cockchafer.

金龟子一种金龟子科甲虫，如金龟子等

The ventral part of the shell of a turtle or tortoise.

腹甲海龟或陆龟的龟甲的腹部部分

Of, relating to, or belonging to the order Chelonia, which includes the turtles and tortoises.

海龟的或与海龟有关的或属海龟科的，包括海龟和陆龟