however, unlike most of the dna and rna oligonucleotides, pnas are poorly penetrated through the cell membrane, partially due to their uncharged property.
然而,与大多数dna和rna寡核苷酸不同,肽核酸的透膜能力很差,部分原因是由于它们具有不带电荷的性质。
please note: the lifetime of the battery will be significantly reduced if your device is left uncharged for a long period .
请注意:电池的寿命将大大减少如果你的设备是不带电留下很长一段时间。
in the reading action the effect of the beam on the charged or uncharged area is detected.
在读操作时,则是检测电子束在有电荷区或无电荷区的效应。
the pressure in the star's core is so high that most of the charged particles, electrons and protons, merge resulting in a star composed mostly of uncharged particles called neutrons.
星体核心的压强非常高,大多数带电粒子——电子和质子都会发生合并,形成一颗大体由不带电的中子组成的星球。
a view popular in physics is to start with uncharged electrons and cores, which are therefore both free and plane waves and can have any energy, and then fade in the charge.
物理学中流行的方法是从不带电的电子和原子核出发,因为它们是自由的平面波,可以具有任意能量,并在带电后衰减。
these self-complementary peptides contain 50% charged amino acid residues, and are characterized by periodical repeats of alternating ionic hydrophilic and uncharged hydrophobic residuals.
这类自我互补的两亲寡肽含50%的带电残基,并且以交替的离子亲水性和不带电的氨基酸残基周期性重复为特征;
how much alanine is present as the completely uncharged species?
多少丙氨酸是以完全不带电的形式存在的?。
the charged objects are of properties exchanging charged or uncharged particles in order to achieve the state of nature.
带电物体有向空间交换带电和不带电的微粒子以达到其中性状态的性质。
the force between two charged objects is from the exchange of charged and uncharged particles.
两个带电物体之间的作用力,是通过交换带电和不带电的微粒子实现的。
i took an uncharged balloon and rubbed it on my uncharged hair.
我用一个不带电的气球与我的同样不带电的头发摩擦。
uncharged soluble organic materials can not carry a current.
有些物质是可溶的,而另一些是不可溶的。
ultimate tensile strength, elongation and area reduction of charged specimen with hydrogen were the same as that of uncharged specimen, i. e. , there is no hydrogen embrittlement for copper.
纯铜充氢后并不改变组织结构和晶粒大。 而且抗拉强度、延伸率和面缩率也不变化,这表明铜没有氢脆。
hb memphis: substitutes one uncharged polar residue for another of similar size on the surface.
表面上的一个不带电的极性基团被另一个相似不带电的极性基团取代。
usage: put magnetism uncharged magnetic tile of permanent magnet motor to motor outer shell, is special equipment to let magnetic tile glue mixing, glue coating, compaction and solidification.
用途:将永磁电机未充磁瓦装入电机外壳中,并对磁瓦进行混胶、涂胶、压紧、固化的专用设备。