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The alkalescent condition reduces the mass concentration of iron ions and fastens the nitration reaction of ammonia nitrogen, and leads to the concentration of nitrate.

偏碱性条件使铁离子质量浓度降低，同时促进了氨氮硝化反应进行，使矿井水中硝酸盐和亚硝酸盐质量浓度增加。

The glutamine synthetase produced by the engineering bacteria can specially act on NH4 and aminoglutaric acid, the durability to the high concentration ammonium ion has been distinctively improved because of the dissolution of adenosine acylation modification, the major bottleneck of glutamine with enzymatical production has been solved, and the concentration of the obtained glutamine can reach 47.6g/L.

本发明工程菌产的谷氨酰胺合成酶可专一性的作用于NH 4 和谷氨酸，且因解除了腺苷酰化修饰作用对高浓度铵离子的耐受能力显著提高，解决了酶法生产谷氨酰胺的重要瓶颈，生成的谷氨酰胺的浓度最高达到47.6g/L。

The authers fetched the embryo calvarial peristeum tissue, got human osteoblast by enzyme-assimilating methods and tissue-block culture methods. We observed the morphological change, growth feature and osteogentic capability, of osteoblast during culture in vitro with phase contrast invert microscope, drew the growth curre and identified the cells by alkaline phosphatase dye. At same time, the morphology and bioactivity of 3-5th-generation osbeoblast and anabiotic cells was studied comparatively. 2. titanium particles were examined by scanning electron and the size was determined by semi-automated image analysis. The 3-5 th gereration of human osteoblast were cultured in medium with different concentration of particulates titanium alloy (1mg/ml, 0.1mg/ml, 0.01mg/ml). Cell growth and proliferation was detected by MTT method after 2、4、6 days that particles were added into medium and ALP activity was measured by kit after 4、7、10 days respectively. 3. With above same methods,the 3-5th generation of human osteoblasts were cultured for 3、6、9days after different concentration of particulates titanium alloy (1mg/ml, 0.1mg/ml, 0.01mg/ml) were added into the medium and OPG gene expression was quantified by RT-PCR.

1、取人胚胎颅骨骨膜，采有用酶消化法和组织培养法获取成骨细胞体外培养并传代，观察细胞形态，生物特点及成骨特性，并绘制生长曲线同时碱性磷酸酶染色鉴定成骨细胞以及比较冻存前3-5 代与冻存后成骨细胞的特点。2、电镜下观察钛合金颗粒的形态并测量其粒径，将不同浓度的钛合金颗粒(1mg/ml，0.1mg/ml，0.01mg/ml)与成骨细胞共同培养，分别于第2、4、6 天用MTT 法测量细胞增殖情况及4、7、10天用试剂盒检测碱性磷酸酶活性。3、分别将不同浓度的钛合金颗粒(1mg/ml，0.1mg/ml，0.01mg/ml)与成骨细胞基因培养3、6、9 天用RT-PCR 方法半定量测定骨保护素基因mRNA 的表达。

The results indicated that light control could induce Mongolian sheep to estrus and ovulate in anoestrum; there was a significant effect on concentration of MLT in blood serum of Mongolian sheep, but there were no significant effects on concentration of FSH and LH in blood serum of Mongolian sheep.

结果表明：光照控制可诱导蒙古羊在非繁殖季节发情并排卵，对蒙古羊血液MLT分泌影响显著，而对血液FSH和LH分泌没有显著影响。

The effects of doping concentration of iodine, doping time, doping temperature and exposure time on volume resistivity of anthracite were studied; and also the effects of solution concentration of cupric chloride, doping time, doping temperature, soking time of cupric chloride and exposure time on the volume resistivity were studied; Anthracitic resistivity has been decreased in dissimilar extent, and furthermore ,volume resistivity stability of the doping anthracite made by liquid phase doping method is more better than gas phase mothed; Resistivity and its stability were better than the doping method of iodine in fused salt doping method of cupric chloride.

研究了I_2掺杂浓度、掺杂时间、掺杂温度和暴空时间对无烟煤电阻率的影响；探讨了CuCl_2溶液的浓度、掺杂时间、掺杂温度和CuCl_2溶液浸泡放置时间以及暴空时间对无烟煤电阻率的影响：结果发现：I_2气相掺杂和液相掺杂均使无烟煤的电阻率有不同程度的降低，而液相掺杂法所得材料的电阻率稳定性更高；CuCl_2熔盐掺杂法所得材料的电阻率及其稳定性均优于I_2掺杂法。

Therefore, we believe that to 2% NaOH-NALC as a digestive juice, the concentration of magnetic nano-particles through fluorescent auramine O staining of a magnetic nanoparticle concentration and detection of TB than the traditional method of smear and culture have higher sensitivity.

因此，我们认为以2%NaOH-NALC作为消化液、用磁性纳米颗粒进行富集后通过金胺O荧光染色观察的一套磁性纳米颗粒富集TB并检测的方法会比传统涂片和培养法有更高的敏感度。

Concentration of silver behenate solution affects the morphology and packing density of silver. The thin silver film of spherical silver particles, with an average diameter of 160 nm has been fabricated by a millimolar solution of silver behenate. The thick silver film is consisting of the regular silver particles with triangular or truncated triangular shape, which is formed at high concentration.

山嵛酸银分散液的浓度影响银薄膜中银粒子的堆积密度和形态，在很低浓度下可以得到银粒子均匀分散的金属银薄膜，球形银粒子平均粒径为160nm；而高浓度的山嵛酸银分散液得到较厚的金属银薄膜，薄膜中含有规则的三角形和截三角形银颗粒。

The structure of ITO films prepared on flexible substrate for different concentration of SnO2 is polycrystalline bixbyite, the crystal lattice parameter of films increases and distortion of crystal lattice is more obvious with the increasing of SnO2 concentration.

用不同掺杂比例的靶材制备的薄膜均为多晶纤锌矿结构，掺杂比例增大，样品的晶格常数变大，晶格畸变明显。

To reseach the mechanisms of ED wtih DM from the acpects of endocrinology, morphology and molecular biology, using rats from NDM and STZ groups as control, the concentration of testosterone, LH and FSH in sera, the microstructure of testicular tissue, bulbocavernous and ischiocavernous muscle tissue, and penile cavernous tissue, the ultrastructure of penile cavernous tissue, and the expression of nNOS mRNA, the content of nNOS and eNOS, the activity of NOS and the concentration of cGMP in the pathway of LARG-NO-cGMP in penile cavernous tissue from ED rats with DM were reseached or examinated in Group A, B and C.

本实验利用第一部分所建立的DM性ED模型，采用NDM及STZ大鼠作对照，通过对A组、B组及C组DM性ED大鼠血清中睾酮、LH及FSH浓度的测定，睾丸组织形态结构的研究从内分泌方面探讨DM性ED的发病机理；通过对阴茎海绵体组织显微及超微结构和球海绵体肌及坐骨耻骨肌显微结构的研究，首次从形态学方面探讨DM性ED的发病机理；通过对阴茎海绵体组织L-ARG-NO-cGMP通路中nNOS mRNA表达、nNOS及eNOS含量、NOS活性及cGMP浓度的检测，从分子生物学方面探讨DM性ED的发病机理。

The factors that affected the degradation rate of methyl red are discussed, including the concentration of methyl red, the kind of electrolyte, the concentration of sodium bromide, the anodic current density, the material of electrode, the cathodic current density and the flow rate of oxygen at the catholyte.

探讨甲基红浓度、电解质种类、电解质浓度、阳极电流密度、电极材料、阴极电流密度与阴极室氧气流量等因表对甲基红电分解的影响。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！