查询词典 N-phenylaniline

The field experiments were conducted to study on the effect of different N, P2O5, K2O fertilization rate and ratio on nutrient status and tuber yield of potato in three potato production bases. According to traditional application rate, N-P2O5-K2O =300-345-375 (kg/hm2), the fertilization rate of N, P2O5, K2O was decreased to 180, 180, 225 kg/hm2, respectively.

试验分别在甘肃省景泰县、内蒙古自治区达拉特旗和河北省沽源县3个马铃薯生产基地进行，在基地常规N、P2O5、K2O肥施用量分别为300、345、375kg/hm2的基础上，研究改变磷、钾、氮肥用量对马铃薯营养状况、块茎产量以及土壤养分的影响。

The changes of nutrient in sweet pepper leaf at bud and at full fruit stage were different and the change of nutrient ratio (N/P, N/K, K/P) was smaller at bud stage than at full fruit stage, which was better stage for nutrition diagnosis.

甜椒花蕾期和盛果期叶片养分变化规律不尽相同，叶片养分比例N/P、N/K、K/P以花蕾期变化小于盛果期，为甜椒适宜营养诊断期。

N-doped TiO2 photocatalysts were fabricated by mixing tetrabutyl titanate with urea in ethanol and water by solgel method, and immobilized to granular activated carbon by coating.

以尿素为N源、以钛酸四丁酯和乙醇为原料，采用溶胶－凝胶法制备N掺杂TiO2，并用浸渍法将TiO2负载于粒状活性炭上，通过烧结制成N-TiO2/AC光催化剂。

Each of the N sinusoids that make up the model has unknown amplitude and a frequency that equals one of the N frequencies in the list of frequencies.

构成该模型的N个正弦波中的每个均具有未知幅度，并具有一频率，该频率与频率列表中的N个频率中的一个相等。

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The results were as follows the airdried density ( moisture content of wood is 12%), the basic density and the ovendry density were 0.583 g·cm-3, 0.462 g·cm-3 and 0.507 g·cm-3 respectively, the airdried density was at the medium level in domestic wood species;the shrinkage coefficient of radial, tangential and volumetric were 0.099%, 0.183% and 0.296% respectively, the maximum swelling were 4.106%, 7.958% and 12.627% respectively;the ratio of tangential shrinkages to radial shrinkages was 1.5-1.9;the toughness was 52.12 kJ·m-2;the hardness of cross, radial and tangential section were 41.53 MPa, 31.41 MPa and 35.51 MPa respectively;the compressive strength parallel to grain was 44.50 MPa ;the modulus of elasticity in static bending and the bending strength were 12.63GPa and 127.31 MPa respectively;the shearing strength parallel to grain of radial and tangential were 8.76 MPa and 10.54 MPa respectively;the cleavage strength to grain of radial and tangential were 124.3 N·mm-1 and 138.6 N·mm-1 respectively.

结果表明大叶栎木材的气干密度（含水率为12％）、基本密度和全干密度分别为0.583 g·cm-3、0.462 g·cm-3和0.507 g·cm-3，气干密度属于国产木材的中等级水平；径向、弦向和体积干缩系数分别为0.099%、0.183%、0.296%，湿胀率依次为4.106%、7.958%和12.627%，差异干缩为1.5-1.9，其尺寸稳定性较好；冲击韧性为52.12 kJ·m-2，端面、径面和弦面硬度分别为41.53 MPa、31.41 MPa和35.51 MPa，顺纹抗压强度为44.50 MPa，抗弯弹性模量和抗弯强度分别为12.63 GPa和127.31 MPa，径面和弦面顺纹抗剪强度分别为8.76 MPa和10.54 MPa，抗劈强度依次为124.3 N·mm-1和138.6 N·mm-1。

The results shawed that DBH was positively correlated with nutrient contents of N, P, K, Ca, Fe, Cu and Zn, while negatively correlated with foliar N:P ratio.

通过对所得数据进行相关分析得出，胸径和树高均与叶片的N、P、K、Ca、Fe、Cu和Zn含量呈正相关，与叶片N：P比值呈负相关。

However, when N, N -dimethylhydroxylamine-monomethylhydrazine are used as reductants, almost all of Tc comes into aqueous phase with plutonium.

而用N，N-二甲基羟胺—单甲基肼为还原剂时，锝与钚一起进入水相。

Methods: The protein and other impurity in the sample were precipitated by zinc acetate and potassium ferrocyanide after dipping of the sample. N,N-dichlorocyclohexylamine derived from sodium cyclamate by sodium hypochlorite in the filtrate was extracted by hexane. The HPLC separation was carried out with a phenomenex Gemini-C18 column using acetonitrile-water(7+3) or methanol-water (8+2) as mobile phase and detected by UV monitor at 314 nm. External standard method was used for quantification.

样品中甜蜜素浸提后，用乙酸锌和亚铁氰化钾试剂沉淀蛋白质等干扰杂质，过滤，用次氯酸钠将样品溶液中的甜蜜素转化为N，N-二氯环己胺经正己烷萃取后，在phenomenex Gemini-C18柱上，以乙腈－水(7+3)或甲醇－水(8+2)为流动相进行分离，HPLC-UV检测器在314 nm测定，外标法定量。

High absorption and retentions clinoptilolite /Starch/ PAANa composite was synthesized by water-solution copolymerization with clinoptilolite and acrylic acid as principal raw materials,with N N-methylene-bis-acrylamideand as crosslinker, and with potassium persulphate as initiator .

以丙烯酸、斜发沸石为主要原料，以N，N'-亚甲基双丙烯酰胺为交联剂、过硫酸钾为引发剂，采用水溶液聚合法合成了斜发沸石/淀粉/聚丙烯酸高吸水保水性复合材料。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。