(function () {
function textOf(el) {
return (el && el.textContent || "").replace(/\s+/g, " ").trim();
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function resolveItemUrl() {
var match = window.location.search.match(/[?&]item=(\d+)/);
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xhr.open("GET", url, true);
xhr.onload = function () {
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reject(new Error("item page " + xhr.status));
return;
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var doc = new DOMParser().parseFromString(xhr.responseText, "text/html");
resolve(doc.querySelector(".phywe-item-accordion"));
};
xhr.onerror = function () {
reject(new Error("item page network error"));
};
xhr.send();
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name: textOf(nameLink || cols[0]),
mappedTo: textOf(numberLink)
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item.quantity = isNaN(qty) ? textOf(cols[2]) : String(qty);
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items.push(item);
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return items;
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function fillTable(tableId, items, withQuantity) {
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nameTd.textContent = items[i].name;
tr.appendChild(nameTd);
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numberTd.textContent = items[i].mappedTo;
tr.appendChild(numberTd);
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var qtyTd = document.createElement("td");
qtyTd.textContent = items[i].quantity || "";
tr.appendChild(qtyTd);
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tbody.appendChild(tr);
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var items = [];
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var cols = rows[i].children;
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continue;
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var nameLink = cols[0].querySelector("a");
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name: textOf(nameLink || cols[0]),
mappedTo: textOf(fileLink || cols[1]),
quantity: cols[2] ? textOf(cols[2]) : ""
};
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items.push(item);
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return items;
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function fillFromAccordion(accordion) {
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var versucheStep = accordion.querySelector('[data-step="versuche"]');
var versuche = parseItemBlocks(versucheStep, false);
setHeadline("print-versuche", stepTitle(versucheStep));
fillTable("print-versuche", versuche, false);
var lieferumfangStep = accordion.querySelector('[data-step="lieferumfang"]');
var lieferumfang = parseItemBlocks(lieferumfangStep, true);
fillTable("print-lieferumfang", lieferumfang, true);
var zubehoer = accordion.querySelector('[data-step="zubehoer"]');
var sections = zubehoer ? zubehoer.querySelectorAll(".card-body") : [];
var notwendig = [];
var empfohlen = [];
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notwendig = items;
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empfohlen = items;
}
}
fillTable("print-zubehoer-notwendig", notwendig, false);
fillTable("print-zubehoer-empfohlen", empfohlen, false);
var mediaStep = accordion.querySelector('[data-step="media"]');
var media = parseMedia(mediaStep);
setHeadline("print-media", stepTitle(mediaStep));
fillTable("print-media", media, true);
}
function start() {
var itemUrl = resolveItemUrl();
if (!itemUrl) {
setTimeout(function () {
window.print();
}, 2000);
return;
}
loadAccordion()
.then(function (accordion) {
fillFromAccordion(accordion);
})
.catch(function (err) {
if (window.console && console.warn) {
console.warn("Accordion konnte nicht geladen werden:", resolveItemUrl(), err);
}
})
.then(function () {
setTimeout(function () {
window.print();
}, 500);
});
}
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", start);
} else {
start();
}
})();
Technical data First law of Faraday with Cobra SMARTsenseArticle no: P7402869 ![]() Principle Faraday’s laws are also referred to as the fundamental laws of electrolysis and describe the process occurring in it. In this experiment, students learn about the principle of Faraday’s first law through electrolysis, which states that the amount of substance deposited at an electrode is proportional to the electric charge passed through the electrolyte. Tasks
Learning objectives Students experimentally learn about Faraday’s first law and verify its validity. They recognize that the amount of substance deposited during electrolysis is proportional to the product of current and time. Benefits
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