为二

基本解释 (translations)

twoness

与为二相关的网络例句 [注：此内容来源于网络，仅供参考]

Secondly, in our methods, the essential geometry of the image single axis geometry may be specified by six parameters and this may be estimated from one conic and one fundamental matrix (a total of 12 parameters) or may be minimally estimated from two conics (a total of 10 parameters).

本文证明了单轴旋转运动的不变量可以通过一个基本矩阵和一条二次曲线来确定，在这种情况下，由于基本矩阵的自由度为7，二次曲线的自由度为5，所需确定的参量个数仅为12，大大减少了不变量的计算量；本文同时证明单轴旋转运动的不变量可以通过最少两条二次曲线来确定，在这种情况下所需确定的参量个数仅为10，该方法是目前同类算法中参数最少的；本文提出了用多条二次曲线求解单轴旋转运动的不变量的最大似然估计算法，其所需确定的参量个数为6+2n，其中n为二次曲线的个数，该公式更深刻地反映了二次曲线与不变量的参数关系。

In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.

试样以盐酸溶解后，在酸性介质中，先以氯化亚锡将三价铁大部分还原为二价，然后在钨酸钠指示下，再以三氯化钛将剩余的三价铁还原为二价，过量的三氯化钛以重铬酸钾氧化消除干扰，在硫磷混合酸存在下，以二苯胺磺酸钠为指示剂，用重铬酸钾标准溶液滴定全铁量。

The reaction of benzoic acid and ethylenediamine was studied under different conditions.

在不同条件下考察了苯甲酸与乙二胺的反应，对反应产物、主要副产物及反应中间体进行了分离和鉴定，通过熔点测定、元素分析和红外光谱分析，确定了产物为2-苯基咪唑啉，主要副产物为二苯甲酰乙二胺，中间体之一为乙二胺与苯甲酸形成的双盐。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用积分反应器，考察了常压下在改性高岭土催化剂上甲醇脱水生成二甲醚的反应动力学，根据Langmuir均匀吸附理论，采用R-E机理，推断吸附的甲醇分子与气相主体中的甲醇分子发生的表面反应为速率控制步骤，得到双曲线型动力学方程为： r= ksbMpM2 /(1+bMpM+bpE)（r为反应速率， ks为反应速率常数， bM为甲醇的吸附平衡常数， b为二甲醚和水的吸附平衡常数之和， pM、 pE分别为甲醇、二甲醚的分压）。

Silicon phthalocyanine dihydroxide was prepared from silicon phthalocyanine dichloride through two methods. The first was alkali treating that meaned silicon phthalocyanine dihydroxide was treated in the ethanol solution containing sodium methylate .The second was acid treating meaned precipitating its solution in concentrated sulfuric acid into ice water. The product yield of the second method was 77.0％, which was higher than the method of alkali treating.

此外将合成的二氯酞菁硅采用两种方法转化为二羟基酞菁硅，第一种方法是碱处理法即将二氯酞菁硅在甲醇钠的乙醇溶液中回流得到，最高收率为53％第二种方法是酸处理法即采用二氯酞菁硅的硫酸溶液在冰水析出的方法转化为二羟基酞菁硅，其中酸溶析出法收率为77.0％。

Australia, Culture and Sport have launched三室两厅of 75 square meters greatly sought after by the market; view of the courtyard apartment building part of the most popular size is 110 square meters of the Second Methodist二居二厅; Chaoyang unlimited to 70-100 m and 110-120 m二居mainly playing三居units, sales very quickly; Outblaze to launch third phase of the SAR products, also chose to play the main units 80 square meters.

澳大利亚，文化和体育发起三室两厅的七十五平方米大大寻求市场；鉴于庭院公寓大楼的一部分，最流行的尺寸是110平方米的二居二厅二卫；朝阳无限为70-100米和110-120米二居三居为主打单位，销售非常快；炫启动第三阶段的特区产品，也选择发挥主要单位80平方米。

Composition of suspension will chang from titanium monoxide to titanium dioxide during standstill procedure. Experimental results show that the proposed method can successfully prepare the anatase phase of titanium dioxide .In the photocatalysis experiment, the prepared titanium dioxide nanofluid absorbs the Ultraviolet when light wavelength was 360 to 380 nm. Adsorption experimental results show that the efficiency of absorbing methylene blue using TiO2 is higher than that for TiO2 (Degussa P-25) or ZnO. Depigmentation of methylene blue experimental using TiO2 can depigmentize methylene blue reach 100% in 60 min.

悬浮液所含之奈米颗粒在静置过程中，成份方面会由似一氧化钛转变为二氧化钛；在结晶组成方面，所制备之二氧化钛颗粒之结晶组成为锐钛矿结构；在光催化方面，所制备之奈米二氧化钛悬浮液在光波长360nm~380nm时产生吸收紫外光现象，在吸附实验中本制程所制备的二氧化钛颗粒的吸附效果优於商用的二氧化钛及氧化锌，在亚甲基蓝的脱色实验中本制程所制备的二氧化钛颗粒能在60分钟内达到脱色率100%。

The copolycondesation type polyamic acid was synthesized by using pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride as the dianhydride monomers, 4,4'-diamino diphenylmethane and 4,4'-oxydianiline as the diamine monomers under microwave irradiation in dimethylformamide.

在N，N'-二甲基甲酰胺溶剂中，以均苯四甲酸酐和3，3'，4，4'-二苯酮羧酸二酐为二酐单体，4，4'-二氨基二苯醚和4，4'-二氨基二苯甲烷为二胺单体，采用微波辐射低温溶液共缩聚，合成了聚酰胺酸预聚体，然后亚胺化脱水、环化，生成共缩聚聚酰亚胺。

Tgs are about 573 K for copolyimides based on pyromellitic dianhydride and 533—543 K for those based on 3,3′,4,4′-diphenylethertetra-carboxylic dianhydride and are almost independent of the chromophore loading level.

以刚性相对较大的均苯四甲酸二酐为二酐单体的PPI 的Tg在573 K左右；以二苯醚-3，3′，4，4′-四甲酸二酐为单体的OPI 的Tg在533～543 K之间，且基本与染料发色团含量无关。

The existing steel shed seven transactions, with an area of 12,000 square meters; 65 insulation Treasury, with an area of 2500 square meters; 6 underground fruit cellar, with an area of 1800 square meters; stay Room 100, with an area of 2000 square meters; stem stressed aquatic food window more than 5000 square meters 120, one can accommodate 60 wagon goods and operating more than 1000 stalls.

现有钢塑交易大棚七座，面积为一万二千平方米；保温库房六十五间，面积为二千五百平方米；地下果窖六座，面积为一千八百平方米；住宿客房一百间，面积为二千平方米；干调、水产食品门面一百二十余间五千平方米，一次可容纳六十个车皮货物和一千多个经营摊位。

与为二相关的网络解释 [注：此内容来源于网络，仅供参考]

The approximate number of immigrants is two million：移民数目大约为二百万

258.我们有一个焦点话题,所以你不应该东拉西扯地谈. Since we have a focused... | 259.移民数目大约为二百万. The approximate number of immigrants is two million. | 260.大约为40英寸. The approximate length o...

break in two：折断为二

Break in the Chain of Causation 原因链中断 | break in two 折断为二 | break in 插入打断

dual：二重的

自我意识,乃高于意识,乃是三重的(trinal),而意识乃为二重的(dual). 同一个人的灵乃有两种不同的形式--主体与客体. 上帝三种本质的意识,结合起来,成为一体的时候,就形成一个上帝的意识,......三个位格,便成为一个本体」.

diethylene glycol：二乙二醇

吃了含有学名为"二乙二醇"(diethylene glycol)的冷冻剂的牙膏就有可能会出事,但是,看这个成分的含量,占牙膏自身3~4%以上就有可能会出现不舒服. 严峻者会有生命安全要挟. 但是量真不好把握,估计吃半管该当就废了吧?你这问题真难了,没试过!!

quadratic function：二次函数

二次函数(quadratic function)是指未知数的最高次数为二次的多项式函数. 二次函数可以表示为f(x)=ax^2+bx+c(a不为0). 其图像是一条主轴平行于y轴的抛物线.

Reinvent Sewing for the Twenty-first Century：重新缝纫,为二十一世纪

Includes three ready-to-use patterns包括三个随时可以使用的模式 | Reinvent Sewing for the Twenty-first Century!重新缝纫,为二十一世纪! | "Where did you get your skirt?" "您从哪儿得到你的裙子" ?

secondary coil：二次线圈

次线圈(primary coil), 输出端为二次线圈(secondary coil).1中兴大学物理系孙允武磁力与磁场-1电磁学磁力与磁场(Magnetic Force and Magnetic Field) 磁场与磁力 磁偶极中兴大学物中兴大学物理系孙允武磁力与磁场-1在一均匀之磁场中,

monzodiorite：二长闪长岩

6区和 7 区- 这两个区岩石的基本名称分别为碱长正长岩(alkali-feldspars yenite)和正长岩9区- 本区有两个基本名称,即二长闪长岩(monzodiorite)和二长辉长岩(monzogabbro),可根据为二长闪长岩;如斜长石An大于50%并主要含辉石时,

monzogabbro：二长辉长岩

6区和 7 区- 这两个区岩石的基本名称分别为碱长正长岩(alkali-feldspars yenite)和正长岩9区- 本区有两个基本名称,即二长闪长岩(monzodiorite)和二长辉长岩(monzogabbro),可根据为二长闪长岩;如斜长石An大于50%并主要含辉石时,

tricosane：二十三烷

结果 从西藏雪莲花地上部分的乙醇提取物中分离得到5个化合物,分别鉴定为二十三烷(tricosane)Ⅰ,β-谷甾醇(β-sitoterol)Ⅱ,对-羟基苯甲酸甲酯(methyl p-hydroxyb