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surface tension相关的网络例句

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与 surface tension 相关的网络例句 [注:此内容来源于网络,仅供参考]

Based on the theory of shrinkage, capillary force theory, the influence of road concrete additives in common use on surface tension of water is studied, and the results show that the influence of water reducer is very small whereas shrinkage-reducing agent and air entrainer can reduce surface tension of solution significantly. The relation between surface tension and additive dosage are non-linear relation. Each additive has an obvious critical micelle concentration.

从混凝土收缩的基本理论——毛细管张力理论出发,通过道路混凝土外加剂对水的表面张力的影响研究发现,减水剂对水的表面张力的影响很小,而减缩剂和引气剂可以大幅度降低溶液的表面张力,溶液的表面张力随外加剂的掺量呈非线性形式降低,而且都存在临界胶束浓度。

Contact angle between test solvent and filler or polymer matrix by the surface analysis.The surface tension, polar force parameter of the surface tension, apolar forceparameter of the surface tension and polar fraction had been calculated.

通过表面分析的方法,测出参比液在基体与填料表面的接触角e,计算出其表面张力Ys、表面张力的极性分量丫气、非极性分量Y as。

Firstly, to the particulate filled Polyurethane composites, we have detected the contact angle between test solvent and filler or polymer matrix by the surface analysis. The surface tension, polar force parameter of the surface tension, apolar force parameter of the surface tension and polar fraction had been calculated.

通过表面分析的方法,测出参比液在基体与填料表面的接触角θ,计算出其表面张力γ_s、表面张力的极性分量γ_s~p、非极性分量γ_s~d、极性分数P;并由此估算出了基体与填料所形成的界面的界面张力γ_、粘附功W_a、裂纹能γ_G。

There are series of papers studying the solvability of an incompressible, viscous, instationary fluid contained in a domian bounded entirely by a free surface. In 1977, Solonnikov proved its local solvability in a Holder space for any initial date but without surface tension. In 1984, he considered the same problem in a Sobolev space with surface tension being taken into account. In I992, Mogilevskii and Solonnikov treated the same problem in a Holder space, where the coefficient of surface tension is not a constant. There are also short-time existence results for the solvability of an incompressible, vicous, unsteady fluid bounded above by a free surface and below by a fixed bottom which approach horizontal planes at infinity. In 1981, Beale proved its local solvability in a Sobolev space for any initial date but without surface tension. In 1983, Allain were concerned with the same problem in R〓 with surface tension but under the assumption that the initial fluid domain was near a horizontal strip. In 1987, he obtained the same result without the preceding assumption. In 1996, Tani solved the same problem in R with surface tension. For the solvability of an incompressible viscous instationary fluid in Ω R bounded inside by a free surface S and outside by a rotating boundary S, in 1995 Ciuperca proved its local existence in a Sobolev space for any initial date but without surface tension. In this paper, we consider the same problem with surface tension.

对于边界完全是由自由边界组成的有界区域中粘性不可压流体的非定常运动问题,Solonnikcv于1977年在忽略表面张力情况下证明了初值问题小时间解在Holder空间的存在性,于1984年在有表面张力情况下证明了初值问题问题小时间解在Sobolev空间的存在性,Mogilevskii和Solonnikov于1992年在表面张力系数可以不是常数情况下证明了初值问题小时间解在Holder空间的存在性;对于上面是自由边界、下面是固定边界且两边界在无限处趋于水平的无限区域中粘性不可压流体的非定常运动问题,Beale于1981年在忽略表面张力情况下证明了初值问题小时间解在Sobolev空间的存在性,Allain于1983年在有表面张力情况下证明了R中初值问题小时间解在Sobolev空间的存在性,但其中假定初始区域近似是个水平条,他于1987年去掉了这个假定得到同样的结果,Tani于1996年在有表面张力情况下证明了R中初值问题小时间解在Sobolev空间的存在性;对于R中内面是自由边界、外面是旋转边界S的有界区域中粘性不可压流体的非定常运动问题,Ciuperca于1995年在忽略表面张力情况下证明了初值问题小时间解在Sobolev空间的存在性,本文考虑了在有表面张力情况下初值问题可解性问题。

Normally the surface tension of the tap water is about $ 72 Dyne, the surface tension of offset printing ink and 30-36 Dyne, you must control the surface tension of the fountain solution to ink in the same degree of surface tension, to achieve a balanced and stable to control the degree of emulsive innovativeink.

凡是自来火的暗不天压力约为72达因,胶印油墨的暗不天压力约为30-36达因,务必把持好润版液的暗不天压力使其与油墨的暗不天压力在不异火平,使二者到达不均安定以把持油墨的乳化火平。

For PVC, sayqat-Lu's fen, polyester, nylon, and so on film, because of their larger surface tension of the usual business card printing and membership card product requirements can be direct business card printing and membership card production (the actual requirements of the customers because in recent years, these materials in business card printing and membership card before or after a treatment), and is not handled by the polyolefin film surface tension is very low, such as pE is 31 Dyne, pp 29a Dyne, to business card printing and membership card-making should be increased to 38 Diane 2, this requires surface treatment on the film.

对于聚氯乙烯、赛璐玢、聚酯、尼龙等薄膜,因其表面张力较大,一般在制卡和会员卡制作产品要求不高时可直接制卡和会员卡制作(实际由于近年来客户要求的提高,这些材料在制卡和会员卡制作前也要经过处理),而未处理过的聚烯烃薄膜表面张力很低,如pE为31达因、pp为29达因,为了制卡和会员卡制作应将其提高到38达因2上,这就需要对薄膜进行表面处理。

Density, surface tension and rheological characteristics are the essential properties of the non-Newtonian fluid. Pycnometer, surface tensiometer, and rheometer were adopted respectively to measure the density, surface tension and rheological characteristics of 0.25%, 0.50%, 0.75% PAM aqueous solutions at 293.15K. The parameters of equations were fitted in terms of the experimental data.

密度、表面张力和流变性质是非牛顿流体的基本性质,本文采用比重瓶、表面张力仪和流变仪分别测定了293.15K温度下质量浓度依次为0.25%、0.50%和0.75%PAM水溶液的密度、表面张力和流变性质,并对数据进行了关联,拟合了方程参数。

Etchant surface tension: because everything has a certain amount of surface area so liquid surface as if there is a layer of thin films, this film a molecular-level of attractiveness to shrinking trend, in order to maintain this balance, of surface tension in the gelifen surface must be enclosed in a suitable and surface force tangent to the surface area of, and this is no longer shrink and surface force called the tangent to the surface tension.

蚀刻液的暗地压辛:因为任何物体都有必定的暗地积因此不流体暗地不离仿佛有一层放宽的不厚膜,这层不厚膜具有一股分子级的边向推斥辛,使其有关上的趋向,为了保持这安详的暗地不均,在暗地周界上务必增一不合的和暗地相切辛才能使暗地保持必定的背积,不一再关上,这种和暗地相切的辛叫暗地压辛。

Surface tension small polyalkene of printer materials and surface tension large polyalkene of printer materials, the adoption of a business card printing and membership card when making ink for surface treatment, the former to select a small viscosimetry envirogluvtm, which on the contrary.

表面张力小的聚烯烃承印材料与表面张力大的聚烯烃承印材料,在采用制卡和会员卡制作油墨时,需进行表面处理外,一般前者要选择粘度小的油墨,而后者则相反。

The lowest surface tension of N_xB solution was better at 25℃, and lowest surface tension would down with carbon . cmc( critical micelle concentration) and γ_ in N_(12)B are 4.1 × 10~(-4)mol/L, 24.5 mN.m~(-1),what was smaller than LAS . The cmc of N_(12)B- NaCl are down with NaCl up.The surface tension and cmc of N_(12)B and N_(16)B are higher than that of N_(12)OB and N_(16)OB because of hydrophilic group ,but that of N_(12)B is lower than that of N_(16)B because of hydrophobic group .5. The borate structure and semipolar bond were studied in different pH by infrared spectrum .It indicated that N_xB and N_xOB have not semipolar bond at pH

4、25℃,N_xB系列都有较低的表面张力,并随碳原子数的增加而最低表面张力下降。N_(12)B比同碳原子数的十二烷基苯磺酸钠的最低表面张力34.5mN/m低,且临界胶束浓度为4.1×10~(-5)mol/L,也比LAS低,且随着NaCl浓度的增加而略有下降,比较N_(12)B和N_(16)B,由于C_(16)疏水基的异构体使N_(12)B的临界胶束浓度和临界胶束浓度时的表面张力γ_(cmc都低,由于增加了亲水基团使得N_(12)OB和N_(16)OB的表面张力和临界胶束浓度都要高于N_(12)B和N_(16)B。

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