Jurnal Neutrino最新文献

英文中文

SOIL QUALITY MONITORING PROTOTYPE WITH HUMIDITY AND TEMPERATURE PARAMETERS FOR PADDY PLANTS 具有湿度和温度参数的水稻土壤质量监测原型

Jurnal Neutrino

Pub Date : 2020-01-30 DOI: 10.18860/neu.v12i1.7774

S. Susilawati, I. Maulana

Paddy is one of the most important plants in Indonesia because most of the Indonesian main food is rice. Paddy productivity can be increased by utilizing technological development. This study aims to design and make a measurement tool for soil temperature and humidity in paddy fields in the Karawang regency. This measurement tool uses Arduino mega and several sensors, the DS18B20 sensor which functions as a ground temperature sensor. Grove moisture sensor that functions as a sensor to detect soil moisture. Information for the value of these parameters will be listed on the LCD that has been installed. Data was collected in the paddy fields of Telukjambe sub-district, Karawang Regency, data collection was carried out with a depth of 2 cm and a depth of 4 cm. At a depth of 4 cm, the temperature and humidity parameters are stable, while at a depth of 2 cm the temperature parameter is stable while the humidity is unstable, and the best humidity value is at a depth of 4 cm.

水稻是印度尼西亚最重要的植物之一，因为大多数印度尼西亚人的主要食物是大米。利用技术发展可以提高水稻产量。本研究的目的是设计和制作一种测量卡拉旺县稻田土壤温湿度的工具。这个测量工具使用Arduino mega和几个传感器，DS18B20传感器作为地面温度传感器。格罗夫湿度传感器，作为传感器的功能，以检测土壤湿度。这些参数值的信息将显示在已安装的LCD上。数据在卡拉旺县Telukjambe街道的稻田中收集，数据收集深度为2厘米和4厘米。在4cm深度，温度和湿度参数稳定，而在2cm深度，温度参数稳定，湿度不稳定，最佳湿度值在4cm深度。

引用次数: 1

CURRENT-VOLTAGE CHARACTERISTICS OF SOLAR CELLS p-n JUNCTION ZnO AND TiO2 PARAREL ON Cu2O LAYER 太阳能电池p-n结ZnO和TiO2在Cu2O层上平行的电流-电压特性

Jurnal Neutrino

Pub Date : 2020-01-30 DOI: 10.18860/neu.v12i1.7578

T. A. Fadlly, R. A. Putra

Current-Voltage Characteristics of solar cells p-n junction ZnO and TiO 2 parallel in the Cu 2 O layer has been determined using solar irradiation. Metal oxide has been used as a semiconductor material, such as ZnO and TiO 2 is an n-type semiconductor. The material has a gap energy of 3.37 eV and 3.2 eV. Thermal oxidation is applied to commercial Cu plates for 60 minutes to produce Cu 2 O layers as p-type semiconductors. The process varies in temperature, namely 300, 400, and 500 °C. The process of thermal oxidation on Cu plates at a temperature of 300 °C increases the impurity in the Cu 2 O layer. The impurity layer is CuO. Then the CuO layer formed decreases with increasing temperature thermal oxidation. CuO layer increases the efficiency of solar cells p-n junction TiO 2 -ZnO parallel in the layer Cu 2 O. The results of measurements with sunlight showed that the TiO 2 -ZnO/Cu 2 O (300) samples had the highest solar cell efficiency, which was 0.28 %.

利用太阳辐照测定了平行于cu2o层的太阳能电池p-n结ZnO和tio2的电流-电压特性。金属氧化物已被用作半导体材料，如ZnO和tio2是一种n型半导体。该材料的间隙能分别为3.37 eV和3.2 eV。对商业铜板进行60分钟的热氧化，以生产作为p型半导体的cu2o层。该过程的温度变化，即300、400和500℃。在300℃的温度下，Cu板的热氧化过程增加了Cu 2o层中的杂质。杂质层为CuO。随着热氧化温度的升高，形成的CuO层逐渐减少。CuO层提高了平行于cu2o层的p-n结tio2 -ZnO太阳能电池的效率。在日光下的测量结果表明，tio2 -ZnO/ cu2o(300)样品的太阳能电池效率最高，为0.28%。

引用次数: 1

SYNTHESIS AND CHARACTERIZATION OF CALCIUM SILICATE FROM RICE HUSK ASH AND SNAIL SHELL 稻壳灰和螺壳制备硅酸钙及其性能研究

Jurnal Neutrino

Pub Date : 2019-09-17 DOI: 10.18860/neu.v11i2.6608

S. Husain, N. H. Haryanti, S. Suryajaya, Antung Permitaria

Calcium silicate ceramics have been made using natural ingredients such as rice husk and snail shell with solid reaction techniques. The aim of this study to determine the characteristics of calcium silicate that have been sintered at a temperature of 900 ^°C, 1000 ^°C, and 1100 ^°C. Samples were characterized by X-Ray Diffraction (XRD), optical microscopy, and Fourier Transform Infra-Red (FTIR). The results of XRD characterization showed that CaSiO₃ (calcium silicate) along with the increase in calcination temperature and quantity was increased due to the increase of temperature of calcination. FTIR analysis showed that the Ca-Si-O bond was formed at wave number ranging from 848 cm^-1 and 999 – 1001 cm^-1.

以稻壳、螺壳等天然原料为原料，采用固相反应技术制备硅酸钙陶瓷。本研究的目的是确定在900°C, 1000°C和1100°C下烧结的硅酸钙的特性。采用x射线衍射(XRD)、光学显微镜和傅里叶变换红外(FTIR)对样品进行了表征。XRD表征结果表明，随着煅烧温度的升高，硅酸钙(CaSiO3)的含量也随着煅烧温度的升高而增加。FTIR分析表明，Ca-Si-O键在848 cm-1和999 ~ 1001 cm-1的波数范围内形成。

引用次数: 6

QCM SENSOR SENSITIVITY ANALYSIS OF SILVER ELECTRODES COATED WITH LIPID MEMBRANE OLEYL ALCOHOL TOWARD NaCl AND HCl 脂膜油醇包覆银电极的QCM传感器对NaCl和HCl的灵敏度分析

Jurnal Neutrino

Pub Date : 2019-09-17 DOI: 10.18860/neu.v11i2.6597

Auliya Rahmatul Ummah, Imam Tazi, M. Muthmainnah

One of the sensors, which is currently being developed is the QCM sensor. The QCM sensor is a sensor that utilizes the frequency change to detect a change in mass due to a test substance. The use of a QCM sensor includes other forms of electronic tongue sensor that can distinguish five basic flavours on the tongue. QCM sensor can also be varied electrodes using various lipid membranes such as electronic tongues to increase sensor sensitivity. This research aims to determine the sensitivity of the QCM sensor before and after coated with the lipid membrane to NaCl and HCl. The sensitivity of the QCM sensor to NaCl is 1.47 Hz/M for uncoated sensor and 0.63 Hz/M for coated sensor, while the sensitivity of HCl is 4.55 Hz/M for uncoated sensor and 4.93 Hz/M for coated sensor. The difference of the results is caused by the nature of ionization of the compound and the amount of concentration used. The result of the sensitivity research shows that the QCM sensor with Oleyl Alcohol lipid membrane is more sensitive to HCl than NaCl.

目前正在开发的传感器之一是QCM传感器。QCM传感器是一种利用频率变化来检测由测试物质引起的质量变化的传感器。QCM传感器的使用包括其他形式的电子舌头传感器，可以区分舌头上的五种基本味道。QCM传感器还可以采用各种电极，采用各种脂质膜，如电子舌，以增加传感器灵敏度。本研究旨在测定涂覆脂膜前后QCM传感器对NaCl和HCl的敏感性。无涂层QCM传感器对NaCl的灵敏度为1.47 Hz/M，涂层QCM传感器对NaCl的灵敏度为0.63 Hz/M，无涂层QCM传感器对HCl的灵敏度为4.55 Hz/M，涂层QCM传感器对HCl的灵敏度为4.93 Hz/M。结果的差异是由化合物的电离性质和使用的浓度引起的。灵敏度研究结果表明，油醇脂膜QCM传感器对HCl的灵敏度高于NaCl。

引用次数: 0

THE STUDY OF OPTICAL PROPERTIES OF MgxN1-xFe2O4/SiO2 NANOCOMPOSITE(x=0; 0.25; 0.5; 0.75; 1.0) AGAINST THE METHYLENE BLUE PHOTODEGRADATION MgxN1-xFe2O4/SiO2纳米复合材料(x=0)光学性质的研究0.25;0.5;0.75;1.0)抗亚甲基蓝光降解

Jurnal Neutrino

Pub Date : 2019-09-17 DOI: 10.18860/neu.v11i2.7508

R. A. Putra, Fajriani Fajriani, W. Alamsyah, P. Wahyuningsih, Hendri Sahputra

The synthesis of Mg_xN_1-_xFe₂O₄/SiO₂ composite nanoparticles, where x=0; 0.25; 0.5; 0.75; 1.0 through coprecipitation method and low temperatures had been successfully carried out. The result of X-ray Diffractometer (XRD) informed that the sample had crystalline forms and different crystallite sizes as the Mg concentration in the sample is increased. The sizes of crystallite produced were between 12.12 to 24.47 nm. In addition, theoretically and experimentally there were differences grid parameters with the energy bandgap of the nanocomposite sample ranged from 2.51 to 2.66 electron volt (eV). Therefore, the Mg_xN_1-_xFe₂O₄/SiO₂composite nanoparticles could be referred to the nano-photocatalyst or nano-adsorbent for organic pollutant due to its potential to degrade Methylene Blue waste.

MgxN1-xFe2O4/SiO2复合纳米颗粒的合成，其中x=0;0.25;0.5;0.75;1.0通过共沉淀法和低温下成功进行。x射线衍射(XRD)结果表明，随着样品中Mg浓度的增加，样品具有不同的结晶形式和晶粒大小。所得晶体尺寸在12.12 ~ 24.47 nm之间。此外，理论和实验结果表明，纳米复合材料的栅格参数在2.51 ~ 2.66电子伏特(eV)之间存在差异。因此，由于MgxN1-xFe2O4/ sio2复合纳米颗粒具有降解亚甲基蓝废物的潜力，可以作为有机污染物的纳米光催化剂或纳米吸附剂。

引用次数: 1

DEVELOPMENT OF "KERR EFFECT" DEVICES TO MEASURE URINE GLUCOSE LEVELS OF DIABETES MELITUS (DM) PATIENTS 测量糖尿病(dm)患者尿糖水平的“克尔效应”装置的研制

Jurnal Neutrino

Pub Date : 2019-09-17 DOI: 10.18860/neu.v11i2.5782

Nurun Nayiroh, K Kusairi

The development of the "Kerr Effect" device has been carried out to measure urine glucose levels of Diabetes Mellitus (DM) patients by applying an external electric field of two parallel plate capacitors. The purpose of this research was to design and construct a new "Kerr Effect" device to measure urine glucose levels of DM patients, to determine the effects of external electric fields and glucose concentrations on light polarization. The measurement of the polarization changes was done by emitting polarized light through a glucose standard solution sample and urine samples of DM patients. In this measurement, the sample was irradiated with an external electric field (0 kV / m - 80 kV / m) of parallel plate capacitors, and the changes of light polarization in the sample were observed. The obtained data of the measurement have been collected and plotted as a graph. The results showed that as the electric field increased the changes in polarization have a tendency to increase. In addition, the amount of glucose concentration in the urine also affected the magnitude of the change in the rotational polarization angle of the light. Therefore, the changes in the rotational polarization angle increase linearly due to the influence of the external electric field and the concentration of glucose in the urine.

研制了“克尔效应”装置，通过施加两个平行板电容器的外部电场来测量糖尿病(DM)患者的尿糖水平。本研究的目的是设计并构建一种新的“克尔效应”装置来测量糖尿病患者的尿糖水平，以确定外电场和葡萄糖浓度对光偏振的影响。通过对葡萄糖标准溶液样品和糖尿病患者尿液样品发射偏振光来测量偏振变化。在本次测量中，用平行板电容器的外电场(0 kV / m ~ 80 kV / m)照射样品，观察样品的光偏振变化。收集了测量所得的数据并绘制成图表。结果表明，随着电场的增大，极化变化有增大的趋势。此外，尿中葡萄糖浓度的多少也会影响光的旋转偏振角变化的大小。因此，由于外加电场和尿液中葡萄糖浓度的影响，旋转极化角的变化呈线性增加。

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引用次数: 0

NANOPARTICLE FABRICATION OF COxNi1-xFe2O4 (x=0,0.25,0.5,0.75,1.0) USING CO-PRECIPITATION METHODE AT LOW TEMPERATURE 低温共沉淀法制备COxNi1-xFe2O4 (x=0,0.25,0.5,0.75,1.0)纳米颗粒

Jurnal Neutrino

Pub Date : 2019-09-17 DOI: 10.18860/neu.v11i2.7261

M. Yakob, R. A. Putra

Nanoparticle Co_xNi_1-xFe₂O₄ has been successfully synthesized using co-precipitation method at low temperature 120^oC by variation of concentration value (x=0; 0.25; 0.5; 0.75; 1.0). Crystal structure and size of crystallite increase with increasing cobalt concentration. There is a difference of lattice between theoretical and experimental. Increase the cobalt concentration in Co_xNi_1-xFe₂O₄ nanoparticle affected to the bond length between cation-anion on tetrahedral site and octahedral site. Because of the distortion, the crystallite where imperfectly formed and crystal defect occurred. It is indicated by the microstrain value that describes the magnitude of the strain in crystal.

采用共沉淀法在低温120℃下通过改变浓度(x=0;0.25;0.5;0.75;1.0)。晶体结构和晶粒尺寸随钴浓度的增加而增大。理论晶格与实验晶格存在差异。增加CoxNi1-xFe2O4纳米颗粒中钴的浓度会影响四面体和八面体上正阴离子之间的键长。由于变形，晶体形成不完全，出现晶体缺陷。用微应变值来表示晶体中应变的大小。

引用次数: 1

IMPROVE SCIENTIFIC ABILITIES STUDENTS THROUGH MODEL DEVELOPMENT TESTING EXPERIMENTS 通过模型开发测试实验，提高学生的科学能力

Jurnal Neutrino

Pub Date : 2018-09-14 DOI: 10.18860/neu.v11i1.8833

A. Basid, R. Rusli

A Study on the development of an Testing Experiments model has been carried out which aims to improve the scientific abilities of students in the Physics Department. This study is motivated by the implementation of practicum that has almost no innovation, no change, always verifying patterned and less developing students' science process skills. The 4-D model R&D approach was used to develop this practicum model. The instrument used is a handout that is equipped with a rubric as a practical guide and assessment guide. A total of 20 students were involved as research subjects. The results showed in general there was an increase in student scientific abilities. Of all the sub-abilities developed, the average percentage of achievement scores reached 60% in almost all sub-abilities after the 4th or 5th practicum or at the fourth or fifth week. However, there are sub-skills already reaching 60% in the 3rd practicum. Student and peer responses show that this practical model is better and more comprehensive in developing students' scientific abilities.

以提高物理系学生的科学能力为目的，开展了测试实验模式的开发研究。本研究的动机是实习的实施几乎没有创新，没有变化，总是验证模式，很少发展学生的科学过程技能。本研究采用四维模型研发的方法开发实习模型。所使用的工具是一份配有作为实用指南和评估指南的标题的讲义。共涉及20名学生作为研究对象。结果表明，学生的科学能力总体上有所提高。在所有开发的子能力中，在第4或第5次实习或第4或第5周后，几乎所有子能力的平均成就分数百分比达到60%。然而，在第三次实习中，有些子技能已经达到了60%。学生和同伴的反应表明，这种实践模式在培养学生的科学能力方面更好、更全面。

引用次数: 0

DESIGN OF A SIMPLE MUFFLE FURNACE FOR TEMPERATURE OPTIMIZATION IN ASH CONTENT ANALYSIS 设计了一种简单的马弗炉，用于灰分分析中的温度优化

Jurnal Neutrino

Pub Date : 2018-07-18 DOI: 10.18860/NEU.V10I2.4559

F. R. Abadi

Analysis of the ash content in biomass conducted through the incineration process in the muffle furnace at a given temperature of 575+25^oC. The result depends on the accuracy level on the temperature sensor in the muffle furnace. It was attempted to achieve the optimum temperature and to detect the muffle furnace temperature by installing the thermocouple sensor type K directly the porcelain sample plate. It yielded that by direct incineration process and gradual process the setup point reached in 60-90 minutes and 150-180 minutes before attaining the steady temperature, respectively. The temperature distributed uniformly for all treatments at + 6.61 ^oC. The temperature measurement accuracy was + 1.18%, and the overall temperature gradient was + 28.69 ^oC. Moreover, there was no difference in the temperature fluctuation among the treatments at the temperature of + 20.95 ^oC. The optimum temperature of the chamber was 588 ^oC for analyzing ash content of biomass.

在给定温度575+25℃条件下，对马弗炉内焚烧过程中生物质灰分含量进行分析。结果取决于马弗炉温度传感器的精度水平。将K型热电偶传感器直接安装在瓷样板上，试图达到最佳温度并检测马弗炉温度。结果表明，直接焚烧法和渐进式焚烧法分别在60 ~ 90分钟和150 ~ 180分钟达到温度稳定点。在+ 6.61℃时，各处理温度分布均匀。测温精度为+ 1.18%，总温度梯度为+ 28.69 oC。在+ 20.95 oC温度下，各处理间的温度波动无显著差异。测定生物质灰分的最佳温度为588℃。

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引用次数: 0

THE EFFECT OF NANO ZnO MORPHOLOGY ON STRUCTURE, DIELECTRIC CONSTANT, AND DISSIPATION FACTOR OF CA-NANO ZnO/ITO FILMS 纳米氧化锌形貌对ca -纳米氧化锌/ITO薄膜结构、介电常数和耗散系数的影响

Jurnal Neutrino

Pub Date : 2018-07-18 DOI: 10.18860/NEU.V10I2.4924

A. Mustikasari, M. Diantoro, N. Mufti, R. Suryana

Research to utilize natural polymers continues to be driven primarily by utilization as an environmental friendly energy-generating and storage material. The high porosity makes cellulose acetate (CA) a good candidate as a dielectric material as the basis of the supercapacitor device. Various dopants and compositions have been widely used, but the nano size morphological differences of the same material are rarely reported. Two types of ZnO are prepared, i.e., nanoparticles and nanorods deposited with CA and deposited on ITO glass substrate. The CA-ZnO / ITO composite film was fabricated through spin coating technique. This study focused on ZnO morphological difference on the microstructure and the dielectricity of CA-ZnO /ITO composite films. The morphology of nanoparticles and nanorods of ZnO were analyzed more detail with respect to its microstructure and dielectric properties. It is revealed that the change of ZnO morphology from nanoparticles to nanorod increase the capacitance and dielectric constant significantly from the order of the nano to the micro and decrease the dielectric loss. The dielectric constant of CA-ZnONP/ITO and CA-ZnONR/ITO are respectively of 2569 and 97159 at 100 Hz. The capacitance and dielectric loss of CA-ZnONP/ITO and CA-ZnONR/ITO reach to 69.809 nF; 678 and 2,15765 µF; 13,23 respectively.

利用天然聚合物的研究主要是被用作一种环境友好的能源产生和储存材料。高孔隙率使醋酸纤维素(CA)成为作为超级电容器装置基础的良好候选介电材料。各种掺杂剂和成分被广泛使用，但相同材料的纳米尺寸形态差异很少被报道。制备了两种类型的ZnO，即纳米颗粒和纳米棒沉积在CA上和沉积在ITO玻璃衬底上。采用自旋镀膜技术制备了CA-ZnO / ITO复合薄膜。研究了氧化锌形态对CA-ZnO /ITO复合膜的微观结构和介电性能的影响。详细分析了ZnO纳米颗粒和纳米棒的微观结构和介电性能。结果表明，ZnO从纳米颗粒到纳米棒的形貌变化使ZnO的电容量和介电常数从纳米级到微米级显著增加，并降低了介质损耗。CA-ZnONP/ITO和CA-ZnONR/ITO在100 Hz时的介电常数分别为2569和97159。CA-ZnONP/ITO和CA-ZnONR/ITO的电容和介电损耗达到69.809 nF;678和2,15765µF;13日,分别为23。

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